1. Lifting seedling fertilizer: Generally, the bottom fat foot is not applied to the seedling fertilizer, and the bottom fertilizer is insufficient. In particular, there is no quick-acting nitrogen fertilizer in the base fertilizer, and 5-7 kg of ternary compound fertilizer can be applied per mu.
2. Light application of bud fertilizer: bud period should promote seedlings and control large seedlings to make the group balance growth. The bud fertilizer should be applied lightly and deeply. Generally, 7-10 kg (or 15 kg of ammonium bicarbonate), 1 kg of boron fertilizer, 10 kg of potassium fertilizer, or 20-25 kg of compound fertilizer should be applied per mu.
3. Reapply flower bell fertilizer: flower bell fertilizer should be early and heavy. Apply 20-25 kg of urea per urea (or 25 kg of ammonium bicarbonate) and 15 kg of potassium fertilizer.
4. Apply top cover fertilizer: 8-10 kg of urea per acre after topping. Or foliar spray fertilizer.
Huaxian County Shang Hongyan
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