According to the forecast of the Meteorological Observatory, after the weather has improved, the weather should be grasped in time to carry out the harvesting work.
Strengthening the clean-up is to timely drain the rafts, clear the ditch and drain the water, remove the silt and weeds in the ditch, ensure that the potato fields are not flooded or removed in time, improve the anti-cracking and anti-smashing ability of the field, and reduce the humidity and waterlogging hazards in the field. The second is cultivating soil and weeding, improving soil structure, and using roots to improve root vigor; thirdly, the potato is expanding in the expansion period to promote tuber swelling, and can be used to spray the fruit of the fruit.
Prevention and control of late blight is the use of therapeutic agents in combination with the new high-fat membrane for prevention and treatment, spraying once every 7 to 10 days, even spraying 2 to 3 times.
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