The application of seed fertilizer in summer maize has obvious effect on yield increase, and it can generally increase production by about 10%. In the case of thin land, insufficient base fertilizer or no application of base fertilizer, the effect of seed fertilizer is greater.
1. Fertilizers are mainly available nitrogen-based fertilizers, with appropriate amounts of phosphorus and potassium fertilizers as appropriate. Decomposing high-quality farmyard fertilizers can also be used as seed fertilizers. It can supplement and replace some base fertilizers when summer sowing maize is less than the base fertilizer.
2, nitrogen fertilizer for seed fertilizer with ammonium sulfate, ammonium nitrate is better, 2.5-5 kg ​​of ammonium sulfate per mu or 1.5-3 kg of ammonium nitrate can be.
3, when sowing, with a seed fertilizer machine sowing. The content per acre of 20-10-15 compound fertilizer 15-20 kg, applied to the side of the seed from the side, away from the seed 4-5 cm, should avoid direct contact with the seed to prevent burning seedlings.
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