Corn seed fertilizer sown together
(1) Fertilizers containing harmful ions. Such as: ammonium chloride, potassium chloride, etc.
(2) Fertilizers that have a corrosive effect on seeds. For example: ammonium bicarbonate, calcium superphosphate.
(3) Fertilizers that are toxic to seeds. For example, when the biuret content in urea exceeds 2%, it will be poisonous to seeds and seedlings.
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1 ton of organic fertilizer = how much chemical fertilizer? do you still abuse chemical fertilizer?
1 ton of human feces and urine-equivalent to 25,40kg of ammonium sulfate, 13,25kg of calcium superphosphate and 4kg of potassium sulfate. 1 ton of pig manure urine-equivalent to sulfuric acid.
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How do farmers choose and buy chemical fertilizer?
Fertilizer first, correctly identify fake and shoddy fertilizers to avoid being deceived. Nitrogen, phosphorus, potassium large chemical fertilizer and high content compound fertilizer are all produced by regular manufacturers and up to standard.
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