First, cotton and wheat interplanting, two cooked a year.
Cotton and wheat intercropping should take into account the advantages of the two crops and achieve double production. The best way to interplant is as follows:
Type 42: Four rows of wheat are 60 cm wide; two rows of cotton are reserved for 1-1.1 m. Wheat is selected for late-maturing early-maturing varieties, and the yield can reach about 70% of full-scale sowing. The cotton is selected from the mid-maturing varieties with insect resistance and disease resistance, and the mulching or seedling transplanting is carried out. If the medium and early maturing varieties are selected, they can be planted live, wide and narrow, and managed well, and the yield can catch up with pure spring cotton.
Type three two: three rows of wheat, width 40 cm; two rows of cotton, reserved for 1-1.1 meters. Planting methods and supporting varieties are the same as the four-two. Wheat sowing is more convenient than the four-two type, and the yield is slightly lower than the four-two type.
Trinity: three rows of wheat, width 40 cm; a row of cotton, reserved cotton line 40--50 cm. The wheat variety is the same as the four-two type, and the output can reach more than 80% of the full-scale sowing. Cotton is selected from medium and early maturity varieties resistant to pests and diseases, seedling transplanting, planting, etc., and the management is good, and the yield is close to pure spring cotton.
Two-one type: two rows of wheat, width 30 cm; one line of cotton, reserved cotton line 40--50 cm, wheat varieties with the same four-two type, the output is close to full seeding. If cotton is selected from medium and early maturity varieties resistant to pests and diseases, the seedlings can be transplanted and the yield can reach 80% of pure spring cotton.
The above four types of interplanting methods should be selected according to local conditions. When planting wheat, it is necessary to apply the base fertilizer required for both cotton and wheat crops at one time. It is best to carry out high and low alfalfa planting, wheat sowing in the ditch, which is conducive to the wintering of wheat seedlings; summer wheat straw is low, reducing the shade of cotton seedlings. On the cotton seedlings, it is conducive to raising the ground temperature, increasing the light, pouring the wheat and cotton, and promoting the early growth of the strong seedlings.
Second, cottonseed oil (vegetables, melons) interplanting, three cooked a year. On the basis of the two-crop system of cotton and wheat, one is to transplant the rapeseed or the wintering vegetables such as spinach and garlic in the autumn cotton in the reserved season. After harvesting the spring and summer vegetables in the next year, transplant the cotton to realize the wheat and oil. Vegetables), cotton harvest three times a year, while rape can also fertilize the soil. Second, in the cotton line reserved for the 42nd type, fertilize the land in the spring of next year, cover the mulch, transplant a row of watermelon in mid-April; at the end of April or mid-May, plant or transplant two rows of cotton on both sides of the watermelon to form wheat. , melons and cotton are harvested three times a year.
Third, the wheat, melon, cotton and cotton interplanting, more than one year. The intercropping of wheat, melon and cotton is mainly based on the warming effect of plastic film. The intercropping method is: 2.1 meters in the area, first broadcast 6 rows of wheat, occupying 1 meter; in the reserved empty line 1.1 meters in the autumn, interplanting spinach, garlic, onions and other vegetables (covering the mulch), after the harvest of winter vegetables in early April of the next year Fertilizing the soil, covering the mulch, transplanting a row of watermelon in the middle of the mulch in mid-April, and planting or transplanting two rows of cotton on both sides of the watermelon at the end of April or mid-May. After the watermelon is harvested, fertilize the land in the cotton line, and plant (plant) a line of cabbage or radish. This model has high efficiency and strong technicality, and it is necessary to increase the investment accordingly in order to continue to achieve high efficiency.
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