Some Links in Transplanting Hybrid Cotton

According to the biological characteristics and growth characteristics of hybrid cotton, the following aspects should be mastered during transplanting:

First, timely transplanting. According to different predecessors, timely transplantation. The broad bean fertilizer field was transplanted in mid-May, and the barley and rapeseed cultivars were harvested while transplanting.

Second, rational dense planting. In order to give full play to the advantages of hybrid cotton and coordinate the relationship between individuals and groups, the transplanting density should be reduced, and about 1800 plants per mu should be promoted. The reasonable transplanting density should be determined according to different types of plots, different planting types, sooner or later, poor irrigation capacity, and different soil fertility; general irrigation conditions, fertile soil, and early density of transplanting should be a little thin; otherwise, the density should be dense a little. Line spacing 80-100 cm, spacing 35-40 cm.

Third, apply base fertilizer. Advocate the principle of nitrogen, phosphorus, and potassium, apply 10 kg of urea fertilizer, 30 kg of superphosphate, and 10 kg of potassium chloride per acre for transplanting. Fertilizer can be applied to a hole or planting (transplanting). The use of nitrogen fertilizers depends on the dryness and humidity of the soil and the weather conditions during transplanting. Generally, the soil is relatively moist and promotes basic application. If the soil is relatively dry, the temperature is relatively high. Nitriding fertilizer should be replenished after transplanting. Live tree watering.

Fourth, timely prevention and control of underground pests (land tigers). Because of the relatively low density of transplanted hybrid cotton, the transplanted fields, especially the early-planted broad bean set, white soil, and green fertilizer field, require 1-3 days before transplanting. 25-37.5 kilograms of spraying the ground to lure the tigers to prevent damage to cotton seedlings after planting.

5. Cotton seedling cotton seedlings should be well-prepared for “three belts” when they are transplanted, ie, with fertilizer, with water, and with medicine to Daejeon. One to two days prior to transplanting, a small amount of nitrogen fertilizer is used to dilute the rice dumplings, and aphid control of cotton seedlings at the seedbed is available. 18% Yongjia or 22% Bailing spray can be used.

Sixth, management after transplanting. The first is to drain the drainage and reduce the waterlogging; the second is to remove the weeding soil immediately after planting; the third is to check the seedlings to fill the gap and prevent the lack of tree-broken and broken ridges.

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