The warm weather and abundant rainfall in spring are very beneficial to the growth of crops. However, high temperature and high humidity can easily cause weeds and cause various pests and diseases. Farmers must do a good job in the management of field cropping and pest control.
Rice:
Rice blast: pay attention to reasonable fertilization irrigation, use 75% tricyclazole 25-30 grams per acre, watering 50 kg spray, or spray 40% sulfuric acid 100-250 grams per mu watered 50 kg. It is suggested that for heavy-heavy fields, one-half months should be followed.
Rice planthoppers: timely removal of weeds at Tianbiangou, prevention and treatment with 50% diaziphos EC and 10% Dafenchen wettable powder.
potato:
Late blight: timely cultivating soil, spraying with 75% chlorothalonil WP wettable powder 600-800 times, spraying once every 5-7 days, spraying 2-3 times, or spraying 1%-2% copper sulfate solution , spray once every 7 days, spray 2-3 times continuously. If the central diseased plant is found, it must be removed promptly.
chili:
Blight: Pay attention to drainage to reduce the spread of the disease and dry the soil. Before the onset of the disease, it is necessary to spray and prevent it: The green state 98 WP can be used to dilute the leaf surface by 600-fold dilution, or 1000-fold dilution to irrigate the roots; it can also be sprayed with 12% green milk copper EC600 times. Spray treatment at the early stage of the disease: once every 5-7 days, even spray 2-3 times. It is possible to use 58% metalaxyl MnZn wettable powder 600-fold diluted spray, or 50% Anke water dispersible granule 600-800 times spray.
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