Cultivation Techniques of Cotton Variety Jinmian 412
Sowing time: 25-30 April for direct seeding in the open field and 20-25 April for plastic film cotton. Sow seeds no later than May 5 at the latest.
Density: 2800 to 3200 seedlings per mu in medium fertility cotton field and 1800 to 2000 seedlings per mu in intercropping cotton field. The number of plants in other cotton fields increased or decreased between 2500 and 4000.
Equal row spacing planting in medium fertility cotton field: row spacing 85 cm, large row spacing 100 to 110 cm, small row spacing 60 cm.
Application of basic fertilizer: 3500 to 4000 kg of organic fertilizer, 20 kg of diammonium phosphate, 10 kg of urea and 10 kg of potassium chloride were applied in medium fertility cotton fields.
Topdressing: 10 kg potassium chloride per mu at bud stage, 20 kg urea per mu at full flowering stage, and 5 to 8 kg per mu from July 25 to August 5.
Chemical control: medium fertility cotton field bud stage with 1 to 2 grams per mu, flowering stage 2 to 3 grams. It is suitable for planting spring cotton in Tianjin.
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Jinnan District Agriculture and Forestry Bureau reminds cotton farmers to master the classification and management of cotton flowering and boll stage.
Cotton from 50% cotton plant flowering to 50% cotton plant mature boll opening is called flower and boll stage. Tianjin cotton generally entered the flowering and boll period from the beginning of July to the end of August. This period is a critical period for determining cotton output. It is hoped that the majority of cotton farmers will pay attention to the situation of cotton growth in the field and adjust technical management measures at any time. According to Gao Qingming, Cotton Research Institute of Hebei Academy of Agricultural and Forestry Sciences, according to the morphological indexes such as cotton plant growth at flowering and boll stage, the cotton field was classified as overgrown, robust, general and thin. The main indicators of the four levels are as follows: ①
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How to grow Cotton this year: a Survey of Cotton planting in various Cotton producing areas
Anhui-Restoration growth of Cotton acreage in order to understand the crop planting structure of farmers in Anhui Province this year, the Anhui investigation team of the National Bureau of Statistics recently selected 3220 farmers from 31 counties (districts) in the province to carry out a survey of farmers' crop intention. The results show that this year, the total sown area of crops in Anhui Province is basically stable, the area of grain crops continues to increase, the area of cash crops such as rape and medicinal materials decreases greatly, and the area of other crops is basically the same. In 2006, 3220 farmers owned 21257 mu of arable land.
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