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How to top-up Miaofei and jointing fertilizer in corn
Miaofei should be applied early, lightly and partially, mainly nitrogen fertilizer. In the basal fertilizers, there is no combination of available fertilizers or unfertilized fields. Early application and light application can make up for the lack of available nutrients, which has the effect of promoting roots and strengthening seedlings. The jointing fertilizer should be applied stably, mainly organic fertilizer, and moderately mix a small amount of available nitrogen and phosphate fertilizers. For maize with insufficient basal fertilizer and weak seedlings, the amount of chemical fertilizer should be increased. Generally, 10-15 kg of ammonium bicarbonate or 3-5 kg ​​of urea can be applied per acre. Jointing fertilizer is usually before and after corn jointing, about 7-9 leaves when opening a hole to apply, fertilization should be appropriate to recover late, less chase, to thin the weak should be applied early.