Consultation: How to fertilize cucumber in solar greenhouse?
Answer: Apply enough base fertilizer before planting. Long-term cultivation of winter sorghum must be applied to the base fertilizer. Generally, 3000-4000 kg of high-quality organic fertilizer fermented and fermented per acre, 75-100 kg of superphosphate, and 20-30 kg of potassium sulfate. The method of applying the bottom fertilizer: the bottom fertilizer is combined with the general application of the ground and the centralized application of the ditch. Firstly, the ground is applied with 2/3 of the base fertilizer, and the artificial deep is turned twice, and then flattened. Spread the north-south ditch according to the planting distance, and sprinkle the remaining base fertilizer into the ditch and the ditch. The ditch should also be tipped over twice, and the manure and soil should be thoroughly mixed.
A small amount of topdressing. Generally, fertilization begins after the first time the melon is harvested. The top dressing should be based on compound fertilizer or diammonium phosphate, and each plant should be fertilized by 100-120 grams. In the early stage, the root system is still shallow, and it should be digging and fertilizing beside the plant, or it can be combined with watering for fertilization. When topdressing, insert a shallow hole next to each seedling, and apply a flat hole after fertilization. In this period, if the size difference of the seedlings in the field is obvious, it is necessary to chase the seedlings to “eccentric fertilizerâ€, that is, insert a hole next to the seedlings to apply urea or ammonium sulfate, and fertilize a small amount of water into the hole after fertilization.
In the future, it is advisable to chase the fertilizer every 10 days or so according to the growth of the cucumber. Top dressing requires chemical fertilizer and organic fertilizer to alternate fertilization, chemical fertilizer is applied into the furrow, organic fertilizer can be applied to the soaking liquid, and the plastic film can be opened at the bottom of the ridge to fertilize the film.
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