MARIJUANA NUTRIENT DEFICIENCIES

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MARIJUANA DEFICIENCIES 

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99% OF MOST ALL GROW PROBLEMS IS BECAUSE THE GROWER IS PH’ING THEIR FEED, BUT NOT PH MEASURING THEIR SOILS PH LEVELS.  99% OF ALMOST EVERY GROW RELATED PROBLEM WE HAVE SEEN AS A SEED BANK IS CAUSED BY GROWERS WHO SIMPLY DON’T PH MEASURE THEIR SOIL USING A PROPER INSTRUMENT FOR THE JOB, AND THEN CORRECTING THE SOILS PH IMBALANCE. 

CLICK HERE TO ORDER OUR SOIL PH METER: 

 

THIS NUTRIENT IS MADE FOR MARIJUANA

THE NUKEHEADS FPP 2.0  WILL SOLVE ALL PROBLEMS. THIS IS A FULLY SUFFICIENT NUTRIENT PACKAGE IN JUST 2 CONTAINERS IT HAS EVERYTHING MARIJUANA NEEDS. No more deficiency problems if you use the NukeHeads FPP 2.0 to grow Marijuana !

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PH ISSUES IS ONE OF THE GREATEST ISSUES WITH MIS-DIAGNOSIS OF DEFICIENCIES CLICK HERE TO ORDER A SOIL PH METER ! 

These are Macro Nutrients

Nitrogen
Phosphorus
Potassium
Magnesium
Boron
Calcium
Copper
Iron
Manganese
Molybdenum
Silicon
Sulfur
Zinc
Getting your plants back to health

 

 

 

 

 

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In order to be able to exact a problem that your plants are having. You need to have instruments to begin measuring and knowing data. Without data you know nothing and are only guessing as to why your plants look terrible or growing poorly.  The two most needed instruments you’ll use almost daily is an EC meter and a PH meter.  You can click here to buy our PH meter,  and click here to buy our EC Meter. 

Ho do you know or not if  your plants have a nutrient deficiency ? Looking at photos that try and show exact deficiencies is not always accurate. You cannot trust what you don’t know.  Photos of a plant with a supposed nutrient deficiency may not be a nutrient deficiency at all. It very well may be a PH lock out of that nutrients because your soil is not PH balanced. That’ why you need the tools to keep it balanced properly.

Deficiencies are not the only possible problems your plants could have with nutrients. They could also have too much of something, including the three essential nutrients (Nitrogen, Phosphorus, and Potassium, or N-P-K). So how can you identify it?

What you need to do immediately after finding discolorations on your plants is think about what all you did to the plants. Then research it and possible problems that came with your actions, but 9/10 times most plant problems is a soil PH imbalance.  The first thing you should be doing is testing the PH of the soil. Test the pH value of the soil and water that you’ve already been giving them. The nutrients deficiencies can be caused by many things, but the most significant factor is pH value. If the pH levels aren’t perfect, fix them. If they are balanced and your plants still look unhealthy your PPFD level ( Grow light intensity or sunlight intensity ) may not be high enough for them, or could be in some cases TOO HIGH.

Don’t worry though we are designing the NukeHeads PAR meter so you can accurately measure these very specific light ranges to dial in the perfect light intensity for your plants.

If your using nutrients other than our NukeHeads FPP 2.0 and your unsure if your plants are not getting all of the nutrients they need. The only way you will know is to measure your soils PH and EC levels using the proper meter. ( We sell Soil PH meters and EC meters on our website ) 

Give your marijuana plants the right dose of health boost with our perfect mix of cannabis nutrients.

What is a Marijuana nutrient deficiency ?

Nutrient deficiencies and problems that come with deficiencies occurs in most all grows and gardens. It doesn’t matter if you use rock wool, soilless, aeroponic and hydroponic or soil if you aren’t using high quality nutrients and keeping your PH controlled and your EC levels controlled.  You will see what appear to be a deficiency. Growing outdoors directly into the dirt you will surely see deficiencies from time to time as not everything the plant needs is always in the soil your planting them into.

In the global populous of Marijuana growers there is all sorts of issues that arise with nutrients. Many companies want to rip you off by selling you a 10 part system to grow weed. Where you think you need all 10 of these very expensive things to do good and grow quality bud, but you don’t. Many products are just out right scams with fancy labels and big brand names taking you as a dummy because people tend to think that ” If they put more into that plant and spend more they will get more out of it ” and that’s not accurate. Most of the time  (potassium (K), phosphorus (P), and nitrogen (N)) are the usual components of nutrients that you are focus on but they are not always what causes you problems in your grow. Thing’s like a calcium, zinc, magnesium can also cause problems if the plant is not getting enough or getting too much of them. 

Most growers who grow inside their homes versus growing outside in the dirt under the sun seem to find many issues with nutrient deficiencies or most of the time nutrient over feeding problems that can radically change the colors and health of your plants.

Nutrient over feeding can toxify your plants causing a number of issues and concerns with your grow. We suggest that you be sure to measure your grow medium, and be on top of best practices. Sometimes over-loving your plants is very very problematic when Marijuana likes a quite simple straight forward approach. That approach is  EC levels being properly set and measured,  PH being measured and set, and your grow lights PAR / PPFD levels in balance with the Co2 level of the grow tent. 

 

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Nutrients and pH PROBLEMS 

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See the picture above; many times over you see your plants looking like this. You race to the internet to look for photos and answers that are very similar, but there’s a huge problem with this approach.  What that grower did to run into the problem and what you did with your plants to run into the same problem are two different actions that lead to what appear to be the same problem, but their not in most all cases they are two radically different problem’s.  While his/her issues may be they are under feeding, and their EC level is very low and the plant is very large the plant may discolor and appear to simply look sick but really it’s starved and the PH of the soil is very off. PH needs to be 6.0 most problems we’ve seen is with PH being very low versus being very high such as a 4.8PH level in the soil.  

As you can see from the above image in this chart shared from a university’s website. The thicker fatter portion of the bars means ” MORE ACCESS ” to that nutrient and for Marijuana it has been found the perfect number you want to be at is 6.0PH.  When the plant has been acclimated to a 6.0PH level it will have access to most all of the nutrients.  The temptation for one to think about letting a plant ” Swing ” ranges sounds nice. Meaning if your hydroponics or soil drops to a low 5.0 then feeding the plant with water at a 9.5 so that it raises the PH from a 5 to a higher number that this swinging in the range gives the plant access to everything over time. While yes theoretically this sounds good; the problem here is this swing is quite a dangerous concept in reality. Proof is with most aquarium managers and caretakers who grow and cultivate plants and fish together in ponds or aquarium. Changing the PH to quickly and your fish float to the top dead and your plants roots burn and die. Swinging PH ranges is dangerous for fish and that’s quite a notification for you on what your roots sensitive cortex cells and ground meristem layers are going through with such swings. Marijuana doesn’t like it not one bit ! 

The PH scale is how we measure ACIDS and BASES.   ( I know sounds like high school biology 101 again ) , but it’s important !  ACIDS are from PH of 6.9 to 1  and Bases are from 7.1 – 14   with  7 being neutral. You have weak bases and weak acids ( these are PH levels for strong or weak ).  But, for you as a Marijuana grower all you care about is that your plants are set at a PH level that gives them the greatest access with no blocking to ALL the nutrients your feeding.  Otherwise if your PH level is not at the correct number (  PH 6.0 is where you want your plants root zone to be measuring at ) if it’s not measuring in a good range. You could feed full spectrum nutrients, but the plants still look sick or appear like they lack somthing because the PH level is locking them out of accessing and eating certain nutrients.  

If your curious to know how exactly to offset your soil ph and get things balanced just follow the videos on our soil PH meter product page.

Nutrients and pH

Testing the pH level is always important and you need the right instrument to do the job. CLICK HERE TO BUY THE NUKEHEADS PH METER .

 

 

THE MAGIC NUMBER ??   6.0 – 6.5 PH  this is  THE best range to keep your soil or hydroponics for Marijuana

Cody Oebel who custom designs and builds PH meters, PAR and PPFD meters , CO2 controllers and can engineer most anything you need for your commercial automation grow operation states as an industry expert ” ROCK DENSE BUDS are grown when your pH level is 6.0 – 6.5 PH“. The plants have greater spectrum access via acidic / alkaline ranges to the nutrients your feeding them. Marijuana is very specific to a 6.0 – 6.5PH sensitive range. Out of this range many problems will occur ! . With any plant, the best way to feed your plants specific nutrients is through “foliar feeding.” This means making a tea and spraying your plants’ leaves with it. Just be sure to avoid doing this during the middle of the afternoon, when the temperature is at its highest. It is better to do it early in the morning or right when the sun has gone down.

KEY WORD SEARCHES: Marijuana Plant Problems —  Identify Marijuana Plant Problems

If you wish to master and perfect what your grows and to fully understand the plants needs and how they feel you need meters to do it. When your hot with a fever your mom might put her hand on your forehead and feel that your warm, only to then grab a thermometer and measure exactly how hot you are to ensure your health is being managed properly. 

FLUSING YOUR MARIJUANA SOIL OR HYDROPONICS RESOVOIR –  ” Flushing means to get rid of high EC/PPM levels to cleanse the root system and give more access to nutrients , or to entirely remove nutrients as you approach harvest time and want clean buds with no heavy metals or NPK’s in the buds “. 

Test the pH level –  ” You should constantly be measuring your soils PH .. do not measure run off this is ultra bad practice “. 

The big three: Macronutrients

When you look on any nutrients product container by laws they are required to list on the label the NPK ratio.  This is why you see things such as  2 – 1 – 5   or 10-52-10 when your reading nutrient labels.  These three numbers represent  NITROGEN,  PHOSPHOROUS, and POTASH . These are what is called PRIMARY NUTRIENTS and calcium and magnesium is called SECONDARY NUTRIENTS.  Then you also have minerals .   Buying a nutrient like the NukeHeads Flower Power Package gives you all of this but even better, it is in a form that is instantly available to the plants upon feeding because it was synthesized and Marijuana absolutely loves this nutrient.  CLICK HERE TO BUY IT: 

 

Nitrogen DEFICIENCIES

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Nitrogen

Healthy plants often contain 3 to 4 percent nitrogen in their above-ground tissues. This is a much higher concentration compared to other nutrients. Carbon, hydrogen and oxygen, nutrients that don’t play a significant role in most soil fertility management programs, are the only other nutrients present in higher concentrations.

Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die. Some proteins act as structural units in plant cells while others act as enzymes, making possible many of the biochemical reactions on which life is based. Nitrogen is a component of energy-transfer compounds, such as ATP (adenosine triphosphate). ATP allows cells to conserve and use the energy released in metabolism. Finally, nitrogen is a significant component of nucleic acids such as DNA, the genetic material that allows cells (and eventually whole plants) to grow and reproduce. Without nitrogen, there would be no life as we know it. 

Symptoms of Deficiency

Most of the expression you see with a Marijuana plant that is low on nitrogen and needs more. The plants fan leaves will begin to turn a lime green color then to yellow. 
Nitrogen is very important for chlorophyll production, plants are green to the human eye because of Chlorophyll factories called Chloroplast are green. So plants appear green to the human eye because of this. 

Nitrogen toxicity – When you fed too much nitrogen’s

 In most cases you see Nitrogen Toxicity when someone bought nutrients and is feeding nutrients to their marijuana plants, but ended up feeding way to much. This is why you  need to own an EC meter to check and see how much nutrients are in the soil so you don’t accidently feed too much. 

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How to treat nitrogen toxicity:

The best way to fix an nitrogen overfeeding / toxic high levels of nitrogen. Is to take your plants if they are in soil and run a water hose through each plant for about 10 minutes.

Then do not feed your plants for about 7 days or one full week. Just feed it water only with no nutrients. The goal is to flush out the abundance of nitrogen in your soil / grow medium.

How to fix Nitrogen Deficiencies: 

Nitrogen Deficiencies occur when the plant is not getting enough nitrogen. The plant will turn lime green and then yellow, and usually this is because your PH is not balanced and you have not been balancing your soils PH levels keeping it close to 6.0 PH as possible. Sometimes plants get extra hungry and begin releasing what we call anions/cations into the soil and this too causes PH to swing and change. In most cases the PH will swing out of range that does not allow the plant to uptake nitrogen. That is why its very important to own a soil PH meter to make sure your managing your soil PH levels at all times.  Try the NukeHeads Soil Ph Meter  CLICK TO BUY 

Phosphorus 

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PHOSPHORUS IN PLANTS

Phosphorus is a vital component in the process of plants converting the sun’s energy into food, fiber and oil. Phosphorus plays a key role in photosynthesis, the metabolism of sugars, energy storage and transfer, cell division, cell enlargement and transfer of genetic information. Phosphorus promotes healthy root growth, promotes early shoot growth, speeds ground cover for erosion protection, enhances the quality of fruit, vegetable and grain crops, and is vital to seed formation. Adequate P increases plant water use efficiency, improves the efficiency of other nutrients such as N, contributes to disease resistance in some plants, helps plants cope with cold temperatures and moisture stress, hastens plant maturity and protects the environment through better plant growth.

Phosphorus

Symptoms of Phosphorous Deficiency

Today most nutrients have all three NPK’s so it’s rare to see deficiencies with most nutrients used today. It’s almost always a PH imbalance that causes any deficiency or what appear to be a deficiency is technically coined a ” LOCK OUT ”  where the PH level is set to where the plant cannot access phosphorus and use it in growth.  Most phosphorous deficiencies appear as black darkening spots in the center and edges of your fan leaves. 

Phosphorus Toxicity: 

Leaves turn super dark green almost a black green; this is not a good thing despite it may look cool in appearance. The exception is purple genetics which fan leaves turn dark purple or dark green purple where Toxicity has nothing to do with the darkness of the leaf and it’s genetic expression. 

Potassium

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Potassium (K) is an essential element for plant growth it is important to food crops. Potassium, often called potash, helps plants use water and resist drought and enhances fruits and vegetables.   If soluble Potassium is deficient in soil it can stunt growth and cause other symptomatic issues.  To overcome deficiencies Potassium is commonly applied to gardens, lawns and orchards as part of a balanced fertilizer.  In addition, Potassium promotes healthy green lawn grass.

Potassium grows healthy lawns by promoting green sturdy stems on deep roots. It aids roses and other flowering plants by encouraging strong stems and well-developed flowers. Farmers depend on potassium for healthy crop production. Plants rich in carbohydrates such as potatoes need potassium for tuber growth.  Potassium regulates plant growth so that harvested fruit is fully formed, high quality and has a better shelf life for consumers.

Because large amounts of (P) are absorbed from the root in the production of most agronomic crops, it is classified as a macronutrient.  Most soils can supply some K for crops, garden and lawns, but when the supply from the soil is not adequate, K must be supplied in a fertilizer program.  Having your soil tested will help to identify exactly which fertilizers you should use for best results.    Also, it is one of the three nutrients found in synthetic fertilizers: NPK = nitrogen, phosphorus, potassium.

Potassium Deficiency in Plants

Typical symptoms of potassium deficiency in plants include brown scorching and curling of leaf tips as well as chlorosis (yellowing) between leaf veins. Purple spots may also appear on the leaf undersides. Plant growth, root development, and seed and fruit development are usually reduced in potassium-deficient plants. Often, potassium deficiency symptoms first appear on older (lower) leaves because potassium is a mobile nutrient, meaning that a plant can allocate potassium to younger leaves when it is K deficient.  Potassium deficient plants may be more prone to frost damage and disease, and their symptoms can often be confused with wind scorch or drought.

 

Organically Supplamenting Potassium

If you’re looking to go organic, there are many ways to supplement your lawn or garden with potassium without using chemical fertilizers.  Here are some common sources of organic potassium:

  • Compost: Compost is full of nutrients, including potassium, especially if it is beefed up with banana peels and other fruit and vegetable waste. The potassium compounds in compost are water-soluble, which makes them readily available to plants but also likely to leach out of your compost pile over time.
  • Wood Ash: The original source of “potash” fertilizers, hardwood ashes can be used directly as a fertilizer (about a 5-gallon bucket per 1000 square feet) or added to your compost pile to increase the potassium content. Wood ash also raises soil pH, so be sure to do regular soil testing to make sure it stays balanced.
  • Kelp Meal: Available dried or liquid, kelp and seaweed offer potassium to the soil in a fairly quick-release form.
  • Greensand: Mined from ancient former sea beds and is rich in a number of minerals including potassium. It’s used both as a fertilizer and a soil conditioner, or it can be mixed with compost.
  • Muriate of Potash (potassium chloride): Mined from ancient deposits, this commercially available product can be used as natural sources of potassium, though the chlorine found in it can harm soil microbes.
  • Sulfate of Potash (potassium sulfate): More expensive than muriate of potash but safer, since it doesn’t contain chlorine. Not all potash products are considered organic, so make sure the product you use is approved by the Organic Materials Review Institute (OMRI).
  • Sul-Po-Mag: A variation of potash, Sul-Po-Mag is actually a naturally-occurring mineral called langbeinite (sulfate of potash-magnesia). Sul-Po-Mag is water soluble and convenient, although it shouldn’t be used unless your soil also needs sulfur and/or magnesium.
  • Granite Dust: Available from granite quarries, granite dust is a relatively inexpensive way to add potassium and tract minerals to your soil. Since it’s ground-up rock, this product is very slow to release its minerals and is not a quick fix or drought. The deficiency is most common in several important fruit and vegetable crops.

Magnesium

Technically, magnesium is a metallic chemical element which is vital for human and plant life. Magnesium is one of thirteen mineral nutrients that come from soil, and when dissolved in water, is absorbed through the plant’s roots. Sometimes there are not enough mineral nutrients in soil and it is necessary to fertilize in order to replenish these elements and provide additional magnesium for plants. How Do Marijuana Plants Use Magnesium? Magnesium is the powerhouse behind photosynthesis in plants. Without magnesium, chlorophyll cannot capture sun energy needed for photosynthesis. In short, magnesium is required to give leaves their green color. Magnesium in plants is located in the enzymes, in the heart of the chlorophyll molecule. Magnesium is also used by plants for the metabolism of carbohydrates and in the cell membrane stabilization. Magnesium Deficiency in Plants The role of magnesium is vital to plant growth and health. Magnesium deficiency in plants is common where soil is not rich in organic matter or is very light. Heavy rains can cause a deficiency to occur by leaching magnesium out of sandy or acidic soil. In addition, if soil contains high amounts of potassium, plants may absorb this instead of magnesium, leading to a deficiency. Plants that are suffering from a lack of magnesium will display identifiable characteristics. Magnesium deficiency appears on older leaves first as they become yellow between the veins and around the edges. Purple, red, or brown may also appear on the leaves. Eventually, if left unchecked, the leaf and the plant will die.

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BORON

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Boron (B) is classified as an immobile element in plants; once B has been taken up by the
plant it cannot be reallocated to other portions of the plant when Boron availability in the substrate is
limited. As with other immobile elements, symptoms first appear on new leaves. Boron is required to
build plant cell walls, therefore, when not enough B is available the areas of the plant with rapidly
growing new cells (i.e. the growing point and new leaves are affected first). The growing point often
aborts (effectively “pinching” the plant) this leads to proliferation of branches. The branches and new
growth are distorted, thick, and brittle; also the upper foliage can exhibit a mottled chlorosis (i.e.
scattered yellowing of leaves). When the roots are examined they are often short and stubby. Unlike
most nutrient deficiencies that typically exhibit symptoms uniformly across the crop, B symptoms can
appear randomly within a crop, section, or even flat/pot.

MARIJUANA Calcium DEFICIENCY

Symptoms of calcium deficiency first appear on younger leaves and tissues, growth is inhibited, and plants have a bushy appearance. The youngest leaves are usually small and misshapen with brown chlorotic spots developing along the margins, which spread to eventually unite in the center of the leaves. Veins are also brown, making a typical feature of Ca-deficient plants the dark veins of completely necrotic leaves. Leaves also may be crinkled and torn. The growth of root tips is inhibited in Ca-deficient plants.

Symptoms

  • Parachute shaped leaves
  • Deformation and dying of tips (meristems). Typically death of root tips. Dying of meristems results in many branches
  • Chlorosis among the leaf margins
  • Dark veins

Important processes

  • Calcium is extremely immobile in the plant and therefore effects new tissue, especially meristems first
  • Calcium deficiency is difficult to manage and is often a problem in tomato and pepper production resulting in browning of the fruit tip
  • Calcium deficiency can be a problem in acid soils. Sometimes liming of acid soils only results in an increase of the pH in the top horizon (0-30) cm resulting in stunted root growth into deeper layers.

MARIJUANA Iron DEFICIENCIES

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Marijuana Iron deficiency, also called iron chlorosis or lime chlorosis, starts with a yellowing of the leaves in between the dark green veins, giving the leaves a spidery look. over time, the leaves become whitish and start to die back, eventually resulting in stunting and dying back of the entire plant. Unfortunately, these symptoms can also be caused by other deficiencies and conditions, so it’s important to make sure you have the right diagnosis.

If your a large outdoor cannabis grower the very first step in diagnosing and treating iron chlorosis is to do a soil test. Your agricultural extension center can help with soil testing, and they may also be able to test a leaf sample to determine which mineral\minerals is missing. While you may find that your soil is actually lacking in iron, the problem may well be caused by:

  • Alkaline Soil: When soil pH gets above 7 or so, many plants are unable to absorb iron as well. This sometimes happens accidentally when gardeners over apply lime around acid-loving plants. Correcting the soil pH will improve nutrient uptake and may be all the fix you need.
  • Mineral Imbalance: Too much of a good thing can also cause problems. Your soil may have too much of some minerals, and not enough of others, which makes the solution a lot more complex. Simply adding iron won’t help unless you correct the overall mineral balance in the soil. This can particularly be a problem in clay soils, where nutrients are scarce and may not have enough organic material and microbes to be absorbed properly.

Manganese

Although it is used in very small amounts by plants, manganese is of capital importance to healthy plant growth, like all micronutrients. Among others, it plays a significant part in the process of photosynthesis.

Manganese (Mn) is an important plant micronutrient and is required by plants in the second greatest quantity compared to iron. Like any other element, it can have a limiting factor on plant growth if it is deficient or toxic in plant tissue. It is similar to iron in many ways, and manganese deficiency or toxicity is often mistaken for iron deficiency or toxicity.

Function

Manganese is used in plants as a major contributor to various biological systems including photosynthesis, respiration, and nitrogen assimilation. Manganese is also involved in pollen germination, pollen tube growth, root cell elongation and resistance to root pathogens.

Manganese deficiencies:

Manganese deficiency symptoms, which often look like those of iron deficiency, appear as interveinal chlorosis (yellow leaves with green veins) on the young leaves, and sometimes tan, sunken spots that appear in the chlorotic areas between the veins. Plant growth may also be reduced and stunted. Manganese deficiency can occur when the pH of the growing medium exceeds 6.5, because it is tied up and unavailable for uptake. Deficiency can also occur from low fertilizer application rates, use of general purpose fertilizers (which typically have reduced micronutrient contents), excessive leaching or applying too many iron chelate drenches.

Molybdenum

Key Points

  • Molybdenum is more likely to be deficient in acidic soils.
  • Liming to bring pH above 5.5 usually fixes molybdenum deficiency in the long term.
  • Applying a molybdenum fertilizer can correct molybdenum deficiency symptoms in plants more quickly.

TO BE SURE YOUR MARIJUANA PLANT IS GETTING ALL OF ITS NEEDED Primary, Secondary, and minerals WE SUGGEST USING THE NUKEHEADS FLOWER POWER PACKAGE NUTRIENTS FOR GROWING MARIJUANA !  CLICK HERE TO BUY IT 

Background

Molybdenum is one of the ‘minor’ nutrients plants require for normal growth. Minor nutrients are only required in very small amounts, as little as 50 g/ha of molybdenum will satisfy the needs of most crops. Molybdenum is present in farmyard manure, in composts and mulches, in some chemical fertilisers and in seeds and other planting material, such as tubers and corms.

 

Molybdenum deficiency:

When growing Marijuana it’s rare to have a a deficiency with molydenum as many nutrients have this in it and many soils do as well. Some people like the purpling of the leaves caused by a molybdenum deficiency making Marijuana turn purple in color adding to it’s colors despite it’s a deficiency. Molybdenum tends to be unavailable in acid soils. Molybdenum is present in soil as molybdate, an ion with a negative charge. In acid conditions molybdate bonds with positively charged sites on soil minerals (in a similar way to phosphate), reducing it’s availability to plants. Molybdenum deficiencies occur mainly on acid soils throughout the coastal areas, on much of the Southern Tablelands, and on parts of the Central Tablelands and Northern tablelands. 

Molybdenum deficiency symptoms:

Molybdenum is needed by plants for chemical changes associated with nitrogen nutrition. Without sufficient molybdenum plants accumulate nitrate in their leaves, but cannot use it to make proteins for normal growth.

The plant becomes stunted and the leaves show symptoms of nitrogen deficiency, appearing pale green or yellowish green in colour between the veins (figure 1). The older leaves may be more severely affected with scorched edges.

The root nodule bacteria of legumes need more molybdenum to fix atmospheric nitrogen than the legumes need to utilise nitrates. In lucerne, clover and other pasture legumes, the main symptoms are associated with an inability to fix atmospheric nitrogen. Again, the stunting and yellowing are identical with nitrogen deficiency 

SiliconIF YOU NEED TOP QUALITY SEEDS AND GENETICS ORDER FROM THE BEST MARIJUANA SEED BANK ONLINE: www.NukeHeads.com 

Even though silicon is not considered an essential mineral for a lot of plants, silicon has proven beneficial effects on plant’s growth. It can contribute to strength, quality, resistance to stresses and development. These factors prove why incorporating a silica supplement into your feeding schedule can be beneficial.

Why Is Silicon Important To Plant Health?

The nutrient silicon is absorbed as silicic acid and is deposited as hydrated amorphous silica in a plant’s cell walls. Its proven to improve and impact cell wall strength and leaf erectness. Silicon stimulates nutrient uptake and the plant’s process of photosynthesis. Plants fortified with silica are stronger and produce bigger, healthier and more abundant flowers and fruits. It has also proven to increase plant tolerances of heat and drought conditions.

Although silicon, by itself, is not needed in order for a plant to grow, silicon has been shown to influence in particular the plant’s interactions with zinc, boron, and manganese. Silicon deficiencies are very rare since it’s the second most abundant element in earth’s crust, and is found in significant quantities in soil.

Identifying Silicon Deficiency In Plants

Silicon deficiency affects new leaves, roots or stems with malformations. This can be warping, hardening, and sometimes thickening. When plants are grown without silicon, they run the risk of being structurally weaker.

How To Correct Silicon Deficiency

In the case of a silicon deficiency, potassium silicate may be the solution. Potassium silicate is a beneficial supplement for your plants. It will make them larger, stronger, more resilient to diseases and pests, and capable of yielding more.

Because silicon requires a higher pH level in order to be soluble, and in turn be taken up through the plant’s roots, silicon cannot be included in a regular feed schedule.

In order for silicon to be used as an available supplement for your plants, it needs to be added separate.

Sulfur

Life Cycle

Soils may be deficient in sulfur for a number for reasons, such as high rainfall saturating soil and burning vegetation. Soils which contain lots of iron (Fe) oxides and sandy soil both have tendencies to have sulfur deficiencies. Sulfur is vital to plant growth as it helps develop enzymes in plants while acting as an effective soil conditioner. A deficiency in sulfur will affect a plant’s protein synthesis, structure, and chlorophyll production, making it an important concern for crops.

Sulfur deficiencies:

Identification

A sulfur deficient plant will experience yellowing or pale green coloring throughout the plant. Younger leaves suffer from chlorosis with their tips becoming necrotic. Overall plant development and growth will be stunted without enough sulfur in the soil. After transplanting, seedlings are likely to have higher mortality rates than normal. These symptoms resemble those of a nitrogen deficiency. To distinguish between the two deficiencies look for red pigmentation in the veins of young leaves for nitrogen deficiencies, while sulfur deficiencies will not typically affect the vein patterns on leaves.

Habitat

Sulfur deficiencies often occur in areas with heavy rainfall and weathered soils. Since sulfur is water soluble, heavy rain causes the soil to be leached of its sulfur content, leading to sulfur deficiencies in plants. In coastal regions, sea spray can be a substantial source of sulfur, but even islands experience sulfur deficiencies in their soil. Areas with high levels of phosphorus may displace sulfur from the soil, causing higher rates of sulfur deficient plants.

How to fix Sulfur Deficiency 

For the most part, sulfur deficiencies can be mended by using fertilizer containing sulfur. Fertilizers will provide adequate levels of sulfur to enrich the soil. Maintaining a high organic matter content will also help promote sulfur availability to the roots and decrease the amount of nutrients leached from soil

Zinc

 

Zinc and Plant Growth The function of zinc is to help the plant produce chlorophyll. Leaves discolor when the soil is deficient in zinc and plant growth is stunted. Zinc deficiency causes a type of leaf discoloration called chlorosis, which causes the tissue between the veins to turn yellow while the veins remain green. Chlorosis in zinc deficiency usually affects the base of the leaf near the stem. Chlorosis appears on the lower leaves first, and then gradually moves up the plant. In severe cases, the upper leaves become chlorotic and the lower leaves turn brown or purple and die. When plants show symptoms this severe, it’s best to pull them up and treat the soil before replanting. Zinc Deficiency in Plants It’s hard to tell the difference between zinc deficiency and other trace element or micronutrient deficiencies by looking at the plant because they all have similar symptoms. The main difference is that chlorosis due to zinc deficiency begins on the lower leaves, while chlorosis due to a shortage of iron, manganese, or molybdenum begins on the upper leaves.

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