First, pay attention to clearing the ditch. In the rainy weather, the humidity in the field is large, which is unfavorable to the growth of the root system. The ditch drainage work should be done well to ensure that the ditch and the ditch are connected, the drainage is smooth, and the anti-smashing and anti-staining are prevented.

The second is scientific fertilization. For the corn that enters the big bell period, it must be re-applied to attack the manure. Generally, 12 kg of urea is applied to the mu, or 1500 kg of manure and manure is used, and 25-30 kg of 50% BB is used.

The third is artificial assisted pollination. Rainy weather is not conducive to pollination. For corn entering the tasseling period, artificial pollination should be carried out by using the rainfall gap to organize the labor force urgently. When operating, gently shake the upper plant with your hand so that the yellow pollen falls on the filaments of the ear.

The fourth is to increase the prevention and control of pest and disease monitoring in the late stage. Rainy weather can easily induce large-scale occurrence of corn pests and diseases. For the field where the sheath blight and rust have been found, measures should be taken immediately to prevent it. At the same time, it should also increase the monitoring of the common "three diseases and one insect" (spot blight, small spot disease, corn borer).

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