First, fresh manure should not be directly applied to vegetables. Fresh manure and urine contain a large number of germs, toxins and parasite eggs. If they are directly applied without being decomposed, they will pollute the vegetables, which may cause the disease to enter from the mouth. It can be applied after high temperature stacking fermentation or harmless treatment.
Second, the unfertilized livestock and poultry manure will produce a large amount of harmful gases such as hydrogen sulfide in the process of decay, which will easily cause the vegetable seeds to lack oxygen and suffocate; and the accompanying large amount of calories may cause the vegetable seeds to burn or root rot, which is not conducive to vegetables. Seed germination occurs long.
Third, nitrogen fertilizer should not be applied to beans and vegetables. The root nodules of legumes can fix nitrogen and excessively apply nitrogen fertilizer, which not only wastes fertilizer, inhibits nodule activity, reduces nitrogen fixation, but also causes it to grow stems and leaves, reduce yield and affect quality.
Fourth, potassium chloride should not be applied too much, too much (spray) potassium chloride, etc., not only make vegetables not fresh, more fiber, but also make the water quality of vegetables become bitter, taste bad, low benefit .
Second, the unfertilized livestock and poultry manure will produce a large amount of harmful gases such as hydrogen sulfide in the process of decay, which will easily cause the vegetable seeds to lack oxygen and suffocate; and the accompanying large amount of calories may cause the vegetable seeds to burn or root rot, which is not conducive to vegetables. Seed germination occurs long.
Third, nitrogen fertilizer should not be applied to beans and vegetables. The root nodules of legumes can fix nitrogen and excessively apply nitrogen fertilizer, which not only wastes fertilizer, inhibits nodule activity, reduces nitrogen fixation, but also causes it to grow stems and leaves, reduce yield and affect quality.
Fourth, potassium chloride should not be applied too much, too much (spray) potassium chloride, etc., not only make vegetables not fresh, more fiber, but also make the water quality of vegetables become bitter, taste bad, low benefit .
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