2. Downy Mildew (1) 72% Networm Epidemic Net (72% Cream Urea Manganese Zinc) Wettable powder 800 times. (2) 53% Jinlei Duomi WP 800 times. (3) 55% of Kim Jill's special wettable powder 800 times liquid. (4) 58% Anlu 800 to 1000 times liquid.
3. Virus disease firstly controls mediators such as aphids and planthoppers that transmit virus mediators. In the early stage of the disease, 3.85% of virus will be sprayed 600-800 times; 40% of Poison Po 800-1000 times; Virus A 500-700 times; and appropriate amount of Jinan humic acid organic liquid fertilizer or spray Po.
4, aphids, whitefly (1) 10% imidacloprid 20 to 40 grams per acre. (2) 3% acetamiprid 20 grams per mu watered 40 kg spray. (3) 15% vegetable Sheng 1000 times.
5. Spodoptera exigua, Brassica napus, Helicoverpa armigera, Pieris rapae (1) 10% larvae net once 1000 to 1500 times. (2) 20% worm cleansing 80 grams per mu watered spray. (3) 15% vegetable Sheng 1000 times. (4) 1500-2000 times of special liquid for 1.5% Ginella Plutella xylostella.
6, yellow stripe jump A (1) 5% Calabash enemy 800 ~ 1000 times liquid. (2) 15% Avi. Poison 1000 to 1500 times.
7, Chinese cabbage dry heart and strict management of water and fertilizer, and more farm fertilizer, fertilizer can be mixed, the implementation of small water irrigation, so that the food field does not stain drought, irrigation and rain, should be timely cultivator, improve soil structure. Spray Guangxi Guanggeong organic leaf fertilizer, calcium, or 3-4 kg of calcium nitrate per mu. Note: 1, pesticides should be used alternately for rotation, for the same pesticide should be strictly controlled during the safety interval. 2. It is forbidden to use highly toxic and long-lasting pesticides on vegetables.
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