Use fertilizer as a fertilizer

1. Fertilizers that have a corrosive effect on seeds are not suitable for seed fertilizer. Ammonium bicarbonate is corrosive and volatile. Calcium phosphate contains free sulfuric acid and carbonic acid, both of which have strong corrosive effects on seeds, so it is not suitable for seed fertilizer. If it is necessary to use as a seed fertilizer, contact with the seed should be avoided. Ammonium bicarbonate can be applied under the seeding ditch (hole), separated from the seed by a certain soil layer, or mixed with superphosphate and soil fertilizer.

Second, chemical fertilizers containing chloride ions should not be used as seed fertilizers. Potassium chloride, ammonium chloride and other chemical fertilizers contain chloride ions. When applied to soil, water-soluble chlorides are produced. It is harmful to seed germination and seedling growth. Root ions should not be used as seed fertilizer.

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