Cotton planting: how to choose and buy cotton seeds?
How to buy cotton seeds? Please help introduce what to pay attention to when purchasing cotton seeds Correct purchase of high-quality cotton seeds, you can refer to the following methods for purchase: correct selection of varieties to choose the local agricultural department recommended by the national review or provincial approval of the main varieties as production seeds. When buying, do not blindly listen to the exaggerated propaganda of seed sellers, see clearly whether the seeds are approved legal varieties, whether the packaging is standardized, and see the suitable promotion area and production time of the varieties. Qualified seed packaging bags should be marked with seed approval certificate number, seed production license number, seed business license number and seed origin quarantine certificate number. Cotton farmers who buy seeds from regular units should go to regular seed stores to buy cotton seeds. When purchasing seeds, they should pay attention to asking for invoices or purchase vouchers, and pay attention to preserving and keeping necessary evidence. Try to keep the packaging of seeds and keep some seeds so that problems can be handled through relevant departments. Pay attention to the growth period and variety resistance selection cotton farmers should be based on their own soil fertility level, cultivation methods for comprehensive consideration, select suitable varieties. To choose different growth periods, good resistance varieties planted. Generally speaking, authentic cotton varieties can obtain high yield, but improved varieties must have good supporting methods to ensure high yield. It is not enough to buy improved varieties only. It is also necessary to create conditions in ecological environment such as temperature, light, water, fertilizer and gas to meet the demand, so as to promote the normal growth and development of cotton. Only good varieties and good methods can promote high yield and harvest of cotton. Click for more cotton growing technology Click for more food crop growing technology
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Sorghum planting: how to control sorghum smut?
Loose smut often occurs in planting sorghum. How to prevent and cure sorghum smut? Please introduce the method of sorghum loose smut in the seedling stage, the symptom is not very obvious, but the plant is a little shorter, the color is slightly dark, and the heading is earlier. After heading, the rachis and branches were intact, the glume protection increased significantly, and the whole panicle grain turned into oblong fungus gall.
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Cotton pests: what are cotton aphids?
What are cotton aphids? What methods can be used to control cotton aphids? Please introduce that cotton aphids mainly suck sap. Cause leaf curl, leaf back glossy, serious leaf withered and yellow shedding, bud and boll damage, easy to drop bud, affecting the development of cotton plant. Cotton aphids usually occur from emergence to the end of June, May.
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