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What to do about green-shouldered tomatoes? Increasing organic fertilizer can effectively prevent it
Green-shouldered fruit in tomatoes is a type of rib-blight fruit. There are many causes of green-shouldered tomatoes, and the most important among them is unbalanced fertilization, caused by high nitrogen and low potassium. Excessive application of nitrogen fertilizer with relatively insufficient potassium is the main cause of green-shouldered tomatoes. After tomatoes enter the peak fruiting stage, encountering adverse weather (low temperature...
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What fertilizer should be used to effectively prevent and control cotton premature senescence?
What fertilizer can prevent and control cotton premature senescence? Please allow me to explain the causes of cotton premature senescence: 1. Genetically modified hybrid insect-resistant cotton has a greater demand for potassium fertilizer than conventional hybrid cotton, and its absorption and conversion rate of potassium fertilizer is slower. If the amount of potassium applied is insufficient, potassium deficiency symptoms are very likely to appear; 2. There are now many old cotton fields and few new cotton fields...
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How to use ammonium bicarbonate to prevent pests and diseases
What medicinal benefits does ammonium bicarbonate have? Which pests can potassium bicarbonate control? How do you use ammonium bicarbonate to prevent diseases and control pests? Experienced netizens are also asked to give a brief introduction. Ammonium bicarbonate, long known as "gas fertilizer," is not only a quick-acting nitrogen fertilizer that can rapidly provide nutrients for crop growth, but also has...
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