Heavy rains since August have caused millions of acres of farmland in Shandong Province to become flooded. On August 24, the Shandong Provincial Department of Agriculture issued an emergency notice requesting relevant departments at all levels to promptly organize relevant experts and technicians to divide worksheets, strengthen technical training and services for farmers, and effectively strengthen autumn crop management at the same time. Several key points for post-stage management of major crops were issued.
It is reported that the current rainstorm in Shandong has been expanding from west to east, while the autumn crops, especially corn, cotton, and peanuts, are in a critical period of production, and the situation is extremely grim.
Among them, the main points of post-maize management are supplementing grain fertilizers to prevent premature aging. Flowering fill-up grain recovery, per acre can topdressing about 10 kg of urea. In particular, there are more rainfall in Lubei and other places. In addition to timely drainage, pay attention to nitrogen fertilizer application. After lodging, corn should be straightened and soil cultivated to restore the natural distribution of leaves and reduce yield loss. Strengthen comprehensive prevention and control of pests and diseases. In particular, it is necessary to strengthen prevention and control of locusts and other late-stage pests, and in combination with spraying control of locusts, spray Tianda 2116, potassium dihydrogen phosphate and other foliar fertilizers. Appropriate late receipt, especially if the sowing date is postponed this year, it is even more necessary to insist on proper late-night income. The best harvest period should be around National Day.
The main management points of peanuts are the prevention of flooding. The water consumption of peanuts during fruit ripening period is sharply reduced, and the water absorption capacity of the roots is weakened. Excessive rainfall can cause root decay, stem failure, fruiting rate reduction and even fruit rot, so pay attention to it. Remove water and eliminate waterlogging. Prevent disease and prevent premature aging, combined with foliar spray fertilizer to prevent leaf spot disease. Generally, it uses 1% urea and 0.3% potassium dihydrogen phosphate mixed solution of 50kg to 60kg per mu, and is mixed with 70% thiophanate-methyl wettable powder to form 800 times liquid spray.
The main points of cotton's late management are to pick out the waterlogging, remove the air, disperse the wet, and then use the ridge to help the cotton after drainage. After heavy rain, the loss of fertilizer in the cotton fields is serious, and foliar fertilizer such as urea and potassium dihydrogen phosphate should be sprayed to improve the nutritional status of the cotton plants and increase the boll weight. Pay attention to control of cotton bollworm, bridge-building insects, aphids, and red-leaf stem blight, verticillium wilt. The luxuriant cotton field cuts the middle and lower old leaves of the main stem and ineffective branches, improving the ventilation and light transmission conditions.
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