Post-snow management techniques in dryland wheat fields
2021-01-23 16:18:52
At present, it is a time when the winter wheat is returning to the green period. The recent spring rain or light rain in the wheat fields in North China has played an important role in alleviating drought conditions in wheat fields, especially in dryland wheat fields that lack water resources. Therefore, to take advantage of the favorable conditions after the snow or after the rain, pay close attention to conservation and fertilization, and lay a good foundation for high yields. 1. Picking fertilizer. In dryland wheat fields, because there is no water pouring condition, it is necessary to pay attention to fertilizer fertilizers or open-groove nitrogen fertilizers to increase the number of ears per mu and grains, increase grain weight, and increase yield. Generally, 10 to 20 kilograms of urea are applied per acre. Insufficient application of phosphorus fertilizer to the bottom of autumn last year is to apply diammonium phosphate in the nitrogen fertilizer. The potassium deficiency field can be sprayed with potassium dihydrogen phosphate. After the topdressing, we must step up the crackdown on the wheat fields and the ploughing. 2. Wheat field suppression. Compression of wheat fields can crush crushed rubbish, seal cracks, and impregnate the soil, so that the soil and the root system are closely combined, which is conducive to the absorption of water and nutrients and the reduction of water evaporation. Therefore, for dryland wheat fields that are not irrigated, a repression should be carried out in order to protect the land. 3 cultivator plan. Immediately after the wheat field is repressed, a ploughing process should be conducted to cut off the soil capillary and reduce evaporation of soil moisture. In order to protect the rain and other rain, the wheat fields in the dry land should be thawed two times, and the ploughs should be properly shallowed so as to prevent injury to the roots and the cold. The ploughing and ploughing shall be done in such a way as to draw a uniform pattern, draw a thin line, draw a flat surface, and draw a thorough pattern. Jiangsu Agricultural Information Network
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