Cotton flower management skills

First, heavy fertilization, stable watering. Flowering and bolling period needs fertilizer is the period of the most need for fertilizer in cotton, accounting for 50% -60% of the whole growth period, according to seedlings should be re-application of flower bell fertilizer. In recent years, with the increase of nitrogen fertilizer and phosphorus fertilizer input, cotton fields are generally short of potassium, and no potassium fertilizer or low-fertilizer fertilizer should be applied to humic acid-based nitrogen and potassium fertilizers, ie, 5 kg of pure nitrogen, 5 kg of pure potassium, and 1 kg of boron. It is best to deepen. According to the water content of the place and the weather forecast, timely pouring small water, after cultivating, timely cultivating soil in order to prevent flooding after rain. The special weak yellow seedlings need to be used once per acre Mengchun pure fine potassium dihydrogen phosphate 800-1000 times liquid sprayed in the cotton seedling stage, bud stage, flowering stage. Roots can be strong seedlings, leaf hypertrophy, can significantly improve the yield and quality, drought resistance, cold resistance, resistance to weight loss, not premature aging, prevention of powdery mildew, blight, Verticillium wilt, tobacco Mosaic disease and other diseases. For boron-deficient cotton fields, 1-2 times of 0.2% boron fertilizer can be sprayed. It is better to use single-spray with warm water.

Second, fine pruning, timely topping. This is an important measure to regulate nutrient distribution, reduce unnecessary consumption, increase the rate of ringing, prevent premature aging, and promote early maturation. To see the seedlings to see the top of the time, the general grasp of 90% of red stems or tofu before the top. After carefully picking and topping, it is advisable to grow 3 Fruit branches at the top. Pay attention to group tips, empty branches, old leaves, improve lighting, and coordinate nutrition.

Third, scientific control, attention Baolei. General spray spinodal amine secondary. After the initial flowering period and topping, spraying Jinfu Niu 718 liquid fertilizer in the general cotton field can reduce the shedding of buds, flowers, and peaches after rain, and increase production and income.

Suggest:

1. Seedling stage, bud stage and flowering stage: Each bag of “Jinfu Niu 718” cotton special liquid fertilizer is mixed with 15-20kg of water and evenly sprayed.

2, take the peach, expansion period: Each bag of "Jin Fu Niu 718" cotton special liquid fertilizer watered 10-15kg, uniform spraying the whole plant.

3, Irrigation: Each bag of "Jinfu Niu 718" cotton special liquid fertilizer watered 40-60kg, in the early stages of the onset of cotton or adverse symptoms per strain of 300-600ml perfusion.

Fourth, prevent disease. Cotton enters the rainy season. The general disease is yellow wilt. One should pay attention to cultivating the soil; secondly, it is necessary to spray the pure essence of pure potassium dihydrogen phosphate in time after the rain, spraying the lower part of the cotton plant 1-2 times, which can effectively control the condition.

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