The continuous low temperature and rainy weather in the preceding month caused the growth of winter crops to be impeded, yellow and red leaves of the plants were common, and some winter crop plants with some plowing blocks showed loquat leaves. Therefore, the management of winter crops this year should be appropriate. As early as possible, we must grasp the following three aspects of management:
First, do a good job of cleaning the drains. For some hillocks that have been planted with winter crops and have yet to open drains in the future, they should seize sunny and favorable weather and excavate the "three ditch" with high standards. For the well-developed Sangou, we must promptly clear the "three ditch" to reduce the groundwater level and respond to the spring rain.
Second, do a good job fertilizer supplement. For different crops and different growth conditions, determine the amount of fertilizer applied to winter crops to ensure the nutrient supply of winter crops. At the same time, pay attention to the time of fertilization so as to avoid excessive fertilizer application, resulting in delay of disease and growth period.
Third, do a good job of disease prevention. At present, diseases such as sclerotia, downy mildew, and viral diseases of winter crops have begun to occur, which are earlier than in previous years. Therefore, efforts should be made to increase the prevention and control of disease, remove diseased leaves in time, and transport them in time. According to the status of crop diseases, choose suitable fungicides to control.
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