Arable land preparation technology for corn planting
First, the ideal soil state. Before corn is sown, the task of soil cultivation is a fine soil preparation to create a suitable soil environment for the sowing of the corn and seed germination. General requirements of the ground leveling, soil loose, no large soil, plow layer on the virtual reality, granule structure, loose and moderate soil, soil fertility, fertilizer and fertilizer capacity, with good soil structure, deep plowing Soil.
Second, turning, squeaking, smashing soil preparation. The general depth is 20cm-25cm. After turning, it needs to reach flat and fine soil. This kind of operation is conducive to loosening the soil, burying the wreckage and eliminating weeds. At the same time, it combines organic fertilizer, basic fertilizer, and the application of one-time fertilizer.
Third, rotation and dumping. Rotation can be used in a balanced manner to improve soil nutrients, and it is beneficial to the rational use of different nutrients, especially in the case of low fertilization, which is beneficial to the use of residual fertilizer; rotation can improve soil physical and chemical properties and regulate soil fertility; help prevent and control pests and diseases; And reduce the damage of weeds in the field.
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