In most areas of northern spring sown corn, the precipitation during the sowing period from April to May is more than normal, the soil moisture is better, the seedling emergence is better than normal, and the density has been reasonably increased.
Seize the time to carry out inter-cultivation measures to loosen the surface of the soil, increase soil air permeability and increase ground temperature, and promote plant growth. For heavy soil and low temperature plots, it is necessary to increase the intensity of intertillage measures as soon as possible, and to produce seedlings and plants early.
Insist on soil testing and formula fertilization, while deep application of chemical fertilizers, and combine fertilization with soil loosening and soil cultivation.
The large weeds that grow after chemical weeding, as well as diseased and weak plants that cannot set ears, smut plants, and small and weak plants can be manually removed to reduce nutrient consumption.
According to the climate and soil conditions in the area, if there is less rainfall and severe drought occurs, timely irrigation should be done to supplement water.
In the later stage, it is urged to accelerate the grain filling and dehydration maturity to avoid the harm of early frost. Improve the mechanical harvesting rate and reduce field losses.
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