First, adopting high-density and small individual cultivation techniques is the key to high yield
Xinjiang belongs to arid regions, and the growth of cotton requires a certain amount of heat, which provides favorable conditions for the production of cotton. Xinjiang adapts to a wide range of cotton cultivation, but the people do not get high yields. After repeated experiments, the region has adopted high-density and small individual cultivation techniques, which has effectively increased cotton production. There are many factors affecting cotton production, including temperature, light, moisture, air and soil nutrients, of which temperature is the most critical factor.
The main calorie indexes for Xinjiang's cotton growth are: the average temperature in the hottest month (July) is around 25°C, the number of days when the temperature is greater than 15°C is about 145 days, and the temperature is greater than or equal to 10°C, and the accumulated temperature is 3000-3600°C. . The late frost in Xinjiang region ended relatively late, which seriously affected the normal growth of cotton. The rapid fall in autumn temperatures also affected the maturation of cotton fibers.
Therefore, in order to ensure that cotton can obtain high yields and stable yields in the region, traditional planting techniques cannot be adopted. However, high-density cultivation of small plants can effectively alleviate these problems and achieve an increase in production.
The main criteria of this technology are: the harvested cotton plants need to reach 12,000-15,000 plants/mu, and the plant height should be controlled within the range of 65-85cm; the number of effective bolls per plant is 4-5, and the effective branch number is controlled 7-8, and the bolls ratio is to be controlled between 0.65-0.85. Therefore, suitable planting methods not only can effectively increase the ground temperature, but also can effectively avoid the effects of late frost on cotton plants.
Second, implement full-scale chemical control technology to increase cotton production
Nowadays, high-yielding cotton fields in Xinjiang have adopted chemical control technology, and whether the use of chemical control technology is reasonable will directly determine whether cotton can reach the goal of premature maturity. Therefore, during the growing period of cotton, 3-5 chemical control techniques are generally used. The first time in the cotton seedlings is usually applied to promote the root system, the second 3-5 leaf application of its role is to promote the early flower bud differentiation of cotton buds and root growth. The third time the use of cotton in the flowering period was to optimize the canopy structure, shape the plant type, promote early ringing and its development, and increase the absorption of soil nutrients by the root system. The fourth time was adopted during the cotton flowering period, which can effectively increase the ratio of bolls. The fifth time, after the cotton was topping, sprayed with diaminos increased the speed at which the leaves transported nutrients to the bolls. High Density Cotton Individual Cultivation Techniques and Dy
III. Precautions for the Use of Dinocycline in Cotton
1. Strictly control the conditions of use Dictamamine is suitable for cotton fields with good fertilizer and water conditions, and cannot be used when the cotton fields are damaged and natural disasters occur and growth is inhibited.
2, control the drug dose should not be greedy, and avoid a large number of use, especially the seedling, bud and early flowering period strictly control the dose. Otherwise, it will cause a large number of buds in cotton to fall off and severely reduce production.
3, pay attention to water and fertilizer with the use of dilute amine pay attention to fertilizer and water management, we must pay attention to must not be due to darker leaves after application of fertilizer without watering.
4, when spraying, pay attention to weather changes are generally best in the morning after 10 o'clock in the morning or after 8 o'clock in the afternoon, spraying 8 hours after spraying can be re-spray 1 times. In the view of Xiao Bian, cotton is regarded as the main economic crop in China and its planting prospects are still very large. Therefore, the above is a high-density cultivation and management technique for cotton cultivation. The cotton growers can try it.
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