How to apply corn and fertilizer to corn?
A: The ear fertilizer is usually applied 10-15 days before the tasseling , and the corn is applied when the big bell mouth appears. For the field where the base fertilizer is insufficient and the seedling is poor, the ear fertilizer should be applied early. The amount of panicle fertilizer should be determined according to the condition of seedling, soil fertility and the application of jointing fertilizer . Generally, 15-20 kg of ammonium carbonate is applied per acre , or 5-8 kg of urea . Granular fertilizer is generally applied when the ear is spun, so that the fertilizer effect can play a role in the mature stage of the grouting milk. The amount of granular fertilizer should not be too much. It can be used for 3-5 kg of ammonium per acre . It can also be sprayed with 1%-2% of urea and potassium dihydrogen phosphate. The spray volume per mu is about 50 kg.
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