Three harvests of wheat, cotton and beans

Cotton varieties selected hybrid insect-resistant cotton with loose plant type, chicken claw-shaped leaves, good ventilation and light transmittance and strong boll-setting ability. @ # @ 245 cotton varieties selected high-yield and disease-resistant variety Yi 4564 and mung bean varieties selected Zhonglu 1. The planting form should choose the land with better conditions of water and fertilizer, harvest autumn stubble in time, grab soil moisture with soil moisture, and make soil moisture without soil moisture. Apply more than 4 square meters of high-quality soil fertilizer, 25 kg diammonium phosphate, 20 kg potash fertilizer, 15 kg urea, 25 cm deep ploughing, rake 3-4 times. Made into a border 200 cm wide, the ridge is 60 cm wide and the border surface is 140 cm wide. In early October, 9 rows of wheat were sown on the border with equal row spacing of 16.7cm. In the middle of April of the following year, the ridge was covered with plastic film with a width of 45 cm and a thickness of 0.005 cm, and the width of the film was 25 cm. In the middle of the film, there are 1 row of cotton, the row spacing of cotton is 200cm, the plant spacing is 20cm, and there are 1667 seedlings per mu. Cotton is 33 centimeters away from wheat. After wheat harvest in mid-June, four rows of mung beans were interplanted between cotton rows, with equal row spacing of 40 cm, plant spacing of 10 cm, 13340 seedlings per mu, and 40 cm distance between mung beans and cotton. Mung beans were harvested in late August and cotton was harvested at the end of October.