Potassium Nitrate 25kg
Potassium nitrate is a chemical compound with the formula KNO3. It is an ionic salt of potassium ions K+ and nitrate ions NO3−.
It occurs as a mineral niter and is a natural solid source of nitrogen. Potassium nitrate is one of several nitrogen-containing compounds collectively referred to as saltpeter.
One of the major uses of potassium nitrate is in fertilizers
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Potassium is responsible for activating plant functions, acting as a catalyst for enzymes to ward off disease and soils rich in potassium increase a plant's resistance to diseases including mould. Potassium is involved in cell growth by division by combining sugars, starches and carbohydrates. It helps increase chlorophyll and regulate stomata openings thus making better use of air and light. Potassium is necessary for the production of proteins that augment the oil content which helps improve the flavour of fruit and vegetables and is closely linked to disease resistance and strong healthy root growth.
Deficiency of Potassium
A plant deficient in potassium displays a mottling of the old leaves and a yellowing between their veins. Potassium is mobile within the plant thus the older leaves will show the deficiency first. The plant can at first seem healthy but is susceptible to disease.
Progressive signs of Potassium deficiency:
Treating Potassium deficiency:
Toxicity of Potassium:
Generally difficult to recognise as symptoms mimic those of others and generally are present when the plant is displaying deficiencies of other elements such as manganese, zinc, iron and magnesium.
Treating Potassium Toxicity:
Flush media with mild complete nutrient solution and if that is not successful a water flush maybe acceptable but not overly recommended.
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