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Comprehensive Prevention and Control of Asparagus Stem Blight
1. Asparagus should be planted on sandy land that is flat, fertile, capable of irrigation and capable of drainage. 2. Dispose of the diseased body promptly and thoroughly. The wintering stalks must be completely disposed of before the vernal equinox; the diseased branches are removed in time; the mother stalks are harvested from bamboo shoots, and the mother stalks are left at one time. To control the reproduction and spread of the disease. 3. Strengthen field management, apply more organic fertilizer, and promote formula fertilization. The ratio of nitrogen, phosphorus and potassium in soil is close to 1:1:1. Pay attention to cultivating and weeding, pest control and drought relief. For more than two years, the fields must not be used for other crops. 4. Unearthed from the shoots to the end of September and sprayed once a week to prevent and cure. The young bamboo shoots and tender stems should be evenly and thoroughly used during spraying. The dosage and dosage used for each mu is: 140% SPI-8701 suspension 0.2 kg . 2 Carbendazim wettable powder or suspension: 40%-50% of 0.15 kg-0.2 kg; 25%-30% of 0.3 kg-0.2 kg. 375% chlorothalonil wettable powder 0.1 kg. 4 Agricultural resistance 120 0.4 kg - 0.5 kg. China Agricultural Network Editor