The current corn growth coincides with a large bell-mouth period, which is a critical period for management. Due to the recent heavy downfall in the city, the growth of corn has been affected. The timely strengthening of field management after the rain has a great impact on the post-maize period. To this end, the following guidelines are proposed.
1, drainage drainage. Daily rainfall, some low-lying plots are prone to water, resulting in the lack of oxygen in the root system of maize. Therefore, it is necessary to timely clear the Tiantougou, Weigou, and Yaogou, eliminate the water in the field, ensure smooth drainage, and reduce soil moisture.
2, artificial support. If the degree of corn lodging is not large enough, artificial measures may not be adopted. After a period of time, the tumbling corn can restore its upright growth on its own; if the lodging is serious and the roots fall, after the rain stops and enters the ground, it is necessary to timely correct the corn and carry out the roots. Build soil and prevent breakage and damage to the roots when straightening.
3, cultivator loose soil. Soil stains cause soil compaction and poor permeability, which affects the respiration of crop roots. In the time when the ground is whitened, timely cultivating loose soil, breaking the soil compaction, spreading air permeability, promote root growth.
4, timely fertilizer. Harm caused damage to the soil nutrients, after the rain in order to restore corn as soon as possible to grow, to timely fertilizer, has applied P and K fertilizer plots mus Urea 10-15kg, no application of phosphorus and potassium fertilizer plots, Mushi Sanyuan compound fertilizer 25kg. Article Shi or acupuncture, deep application 10CM.
5, to strengthen the prevention and control of pests and diseases. Due to the accumulation of water in the field, saturated soil moisture, high air humidity, and prone to various pests and diseases, we must pay close attention to weather changes, strengthen the monitoring of corn pests and diseases, and timely release monitoring information so that early detection and early prevention and control can be achieved, and efforts will be made to reduce the risk of pests and diseases. To the minimum extent.
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