Summer corn can increase production by interlacing, but it is necessary to master the following four key technologies.
First, during the male-five period, it is most suitable when the corn tassel has just emerged from the outcrop and has not blossomed loose powder. The effect is also the best. why? Because the plant is still short, the tassel is crisp and easy to pull out. If you go to the night too late, it is easy to pull out the leaves and break the stems. It is advisable to choose a sunny day, usually from 9 am to 4 pm. Because the temperature is higher during this time, the wound is easy to heal.
Second, the method of de-male can be used to block the summer corn or interlaced to the male, summer live corn can be separated by 1 line to 1 line, or 1 line to go 2 lines, to expose the tassels in 1 to 2 days Unplugged. In addition, when emasculation, attention should be paid to the removal of tassels on inferior, weak and worm strains to concentrate nutrients to feed the ears and reduce empty stalks. Increase the weight of the grain.
Third, when the number of males is male, the fertility of the plants is good, the field is uniform, and the pests are less. The number of males can account for 35% to 40% of the total field; while in summer, the number of wild corns is the same. It is more suitable for 45% to 50% of the whole field.
Fourth, do not take the leaves to go to the male to do not remove the top of the leaves. Because the top leaves of corn plants have a great effect on the formation of grain filling and economic yield. Tests have shown that emasculation can generally increase corn yield by 6.83% to 10.35%, while de-male to one leaf will reduce yield by 2.37% to 2.79%; bring 2 leaves to reduce yield by 4.49% to 6.14%, bring 3 leaves Production reduced by 10.28% to 12.45%. Therefore, when you go to the male, you must master the top leaves without taking the top leaves to achieve the purpose of increasing production.
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