Okra prefers warmth and is afraid of frost. The whole growth period should be arranged within the frost-free period, and the flowering period should be in a warm and humid season. How to manage the seedlings of okra?
When the field management broke the heart, the first time the seedlings were planted and the weak seedlings were removed. 2 to 3 true leaves when the second seedlings, choose to retain strong seedlings. 3 to 4 true leaves when Dingmiao, leaving 1 per hole.
After the seedlings are unearthed or planted, the temperature is low, and the cultivator should be continuously cultivated twice to increase the ground temperature and promote the easing of seedlings. Before the first flower is opened, the middle cultivator is strengthened so that the seedlings can grow in order to develop the root system. After the flowering results, the growth of plants was accelerated, and cultivators should be used after each top dressing. Soil cultivating before mulching to prevent plant lodging.
Fertilization on the basis of the application of base fertilizer, fertilizer should be appropriate, not partial nitrogen fertilizer. The first time was Qimiaofei, which was carried out after emergence and applied 90-120 kg of urea per hectare. The second time is to raise the seedlings, set the seedlings or ditch the plants after planting, and apply 225-300 kg of compound fertilizer per hectare. During the flowering period, the fertilizer is applied once again. The human fecal dilute is 30,000 to 45,000 kg or the NPK fertilizer is 300 to 450 kg. During the late growth period, a small amount of top dressing is applied as appropriate to prevent premature aging.
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