Improve the benefits of cotton fields
Zhao Guangyu, a peasant in Nanhao Village, Changle County, Shandong Province, planted watermelons, cotton and peanuts in his own land. The average yield per year was 2,100 kilograms of watermelon, 118.2 kilograms of lint and 110 kilograms of peanuts. The income per mu was 3 times that of pure cotton fields. . To do a good job in interplanting, the following six points need to be made in planting techniques:
First, choose good breeds. Watermelon used early spring red jade, special small phoenix, black beauty, Jingxin No. 1 and other varieties; cotton selection is short, strong resistance to diseases and insect pests, high yield and high quality Ruizamian 816, Xin Qiu No. 4 and other varieties; peanut selection early maturing high quality The Shanhua No. 10, Shaohua No. 8, Luhua No. 10, Luhua No. 4 and other varieties.
Second, watermelon is transplanted as soon as possible, and cotton should be sowed late or transplanted. Watermelon transplanted before and after the rain, it is necessary to cover the film, and then cover the arch film, the implementation of "double membrane" coverage, a good warming effect, can promote early ripening watermelon. After transplanting the watermelon, a row of cotton was planted on both sides. The cotton was sown on April 25-30, or transplanted in the film in early May, to achieve a dual-purpose membrane, which not only promoted the growth of watermelon, but also promoted the early growth of cotton. The watermelon was harvested in mid-June, and then interplanted a row of peanuts in the middle of the cotton line.
Third, a reasonable arrangement of planting density. In order to reduce the mutual influence between melon and cotton, the row spacing of watermelon should be increased appropriately, and the spacing of the plants should be properly reduced. The row spacing is 1.8 centimeters, and 700-800 plants per mu are appropriate. A line of cotton was planted on both sides of the watermelon. The cotton was 25 centimeters from the watermelon, the cotton spacing was 35 centimeters, and the 2110 plants were per acre. The row spacing of cotton was 130 centimeters and the row spacing was 50 centimeters. After the watermelons are harvested, a row of peanuts is interplanted in a large row of cotton, with 600-700 holes per acre.
Fourth, scientific medication. To prevent pesticide contamination, it is prohibited to use highly toxic and odorous pesticides during the symbiosis of melon and cotton. To control pests, we must use highly effective, low-toxic, low-odor pesticides such as abamectin and BT preparations. To prevent and treat watermelon diseases, we can use pesticides such as Dasheng, Carbendazim, and Zinc. Stop using pesticides within 15 days before watermelon harvest.
Fifth, strengthen water and fertilizer management. Before the watermelon blossoms, it is generally not necessary to top-dress fertilizer in the case of applying base fertilizer. To prevent the growth of the melon seedlings due to the lowering of the ground temperature, a small amount of water should be poured. After entering the flowering stage, the growth and development are accelerated, and the amount of fertilizer and water required to increase rapidly. The watermelon and cotton are grown in a trench, with topdressing 20 kg of compound fertilizer and 10 kg of potassium sulfate per mu. After topdressing, pour water once to meet the growth and development of watermelon. Water should be stopped 5 days before harvest.
6. Pay attention to the arrangement of watermelon dendrite and cotton ripening. After the watermelon blossoms, it is necessary to squash it and pollinate it. After the emergence of cotton, it is necessary to promptly go to the leaves, beat the side of the heart, fight the heart, and remove the buds to promote the ripening of the bell. After the watermelon is harvested, it is immediately pulled out of the vine to carry out cultivating loose soil, topdressing and watering, and promoting the growth of cotton and peanuts. Interplanting cotton generally mature late, should be 20 days before the frost period, mu 40% ethephon 100-150 ml, 30-40 kg of water, spraying cotton plant in the upper part, promote cotton boll maturation.
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