First, remove the empty stalks and small plants. According to the survey, in the corn field, the empty stalk rate is generally about 3 to 7%. In addition, there are some low-sized small plants that consume both nutrients and moisture, and also affect the ventilation and light transmission. Therefore, it is necessary to remove the empty stalk and some low Short stature.
Second, remove the no effect spike. A corn can grow several ears, but only one or two ears can be fully matured. The rest have no grains, or several water particles. The masses are called "big cockroaches", and each corn can only be retained. The upper one ear can not exceed two, and the rest are removed.
Third, stand the stalks to dry the skin. Corn stalk suede drying has many benefits, which can speed up dehydration. After 15 to 20 days of drying, the water content can be reduced by 14-18%, premature ripening for 5-7 days, and the yield is increased by 5 to 7%. The time for drying the suede is very important. At the end of the waxing, that is, when the kernel has a hard cover.
Fourth, put the autumn ridge, take the big grass. In the late stage of corn grouting, it is necessary to shallowly rub the weeds to prevent excessive root damage or break the leaves, which is beneficial to the ventilation and light transmission of the corn in the same year, and to reduce the weed damage in the next year, and also to take the grass.
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