One is to use less and diligently. When applying compound fertilizers in winter, it should be noted that the nitrate nitrogen and ammonium nitrogen in compound fertilizers will absorb some heat during the dissolution process, which may affect the ground temperature and cause disadvantages to the growth of crop roots. However, the normal growth of crops requires sufficient nutrient supply, so when applying compound fertilizer in winter, apply less and more frequently, and try to apply it in the morning on a sunny day.
The second is to use pure biological fertilizer (without nitrogen, phosphorus, potassium). Pure biological fertilizer contains a variety of beneficial bacteria, which can activate and improve the soil, play the role of nitrogen fixation, phosphorus release, and potassium release. These biological bacteria can also promote crops to absorb fertilizer.
The third is to apply targeted. Leafy vegetables grow fast, require more nitrogen and less phosphorus, so you should choose compound fertilizers with high nitrogen and low phosphorus; melons and fruit vegetables require more potassium in the fruiting period and less phosphorus, so you can choose Compound fertilizer with high potassium and low phosphorus.
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