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Cotton: Shangtao Peak, Peach Fertilizer
This year's cotton birth process is generally a little later than the normal climate, but slightly earlier than last year, and is now entering the flowering and ringing period. From the year of normal climate, the peak period of cotton ringing, that is, the peak of peaches, generally occurs from late July to early August. Due to the rainy weather in the southern cotton area and the drought in the northern cotton area this year, the peach peak in the cotton planting area affected by drought or drought may have to be postponed.
The period of cotton ringing is the period of highest nutrient demand. As some cotton farmers are affected by the decline in cotton prices this year, the cotton planting area has been implemented late, some have not applied bottom (base) fertilizer, some have less fertilization, and some fertilization structures are not reasonable, so the number of peaches on cotton and There are great differences in quality, some are fast, and some are restricted. In this regard, we must count a few accounts, do a good job in mind, seize the opportunity to apply enough cotton and peach fertilizer.
The first is to have a peach, cotton has a high yield basis. The yield structure of cotton is generally composed of the number of plants per acre, the number of peaches per plant, the weight of a single bell, and the clothing score. Only with cotton and cotton, the yield is higher. The more the number of peaches, the higher the yield. From the perspective of existing cotton varieties, the average single boll weight is 5.5 to 6 grams, and a few are at 6.5 grams. Generally, there are more than 60,000 peaches per mu of cotton field, and the seed cotton can reach or exceed 600 kg. It is only sure that the harvest is good.
The second is to make sure that there is still time to fight for more peaches and peaches. The indicators of cotton reproductive organs are mainly buds, flowers and peaches. According to the fixed-point observation for many years, the effective bud period can be August 15~20, and the effective flowering period can be around September 10, often saying "white dew, no return" "Home", but the high temperature in the later years is likely to return home, the production must fight, and must not give up. The effective knotting period can also be fully utilized. Generally, the early morning peach can be vomited in 45 days, the pudding is 45~50 days, and the early autumn peach and late autumn peach vomiting time are delayed accordingly, but as long as the management measures are effective, it is possible to fight for more peaches. Although the weight of the autumn peach is lighter, the fall rate of the autumn peach is lower, and the peach rate is higher, which can win more.
The third is to make sure that the application of good peach fertilizer is safer and more reliable. At present, some cotton has already set up a high-yield shelf, and some are building a high-yield shelf. In order to make the "Three Peach" (Fuqian Peach, Fu Peach, Qiu Peach) all together, we must dispel the ideological concerns, do not worry that fertilization will make the cotton prosper, because after the peach is on the peach, the nutrient transport direction has been transported from the growth point. It is transferred to the cotton peaches of the fruit branches, and the balanced distribution of nutrients is safe and reliable. In the peach fertilizer application technology, we must pay attention to the following points: First, the fertilization time should be mastered from late July to early August, the affected cotton can be postponed appropriately due to the seedling; second, the type of fertilization, the amount of compound fertilizer applied in the early stage is higher. Most of the application of urea, potassium-deficient cotton fields can be supplemented with potassium sulphate or potassium chloride; third is the fertilization method, should be as deep as possible or deep application. Do not apply urea before rainfall to prevent the release of burned cotton seedlings after rain; Fourth, in order to prevent cotton from growing and promoting stability, after applying peach fertilizer, the delayed growth of plant growth regulator ketamine should be applied according to cotton seedlings. Or help the body, 3 to 5 grams per acre or 12 to 20 milliliters, sprayed with 30 kilograms of clear water.
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