How to prevent and cure asparagus stem blight?

How to prevent and cure asparagus stem blight? Please introduce the methods of asparagus stem blight control can refer to the following methods: 1. Planting asparagus should choose sandy soil that is flat, fertile, irrigated and capable of drainage. 2. For timely and thorough treatment of the diseased and disabled body, the overwintering straw must be completely disposed of before "the Spring Equinox"; the diseased branches must be removed in time; if the mother stem is left to pick bamboo shoots, the mother stem should be retained at one time, and the bamboo shoots should not be missed during the period of bamboo shoot picking, so as to control the reproduction and spread of the disease. 3. To strengthen field management, apply more organic fertilizer and carry out formula fertilization, the ratio of nitrogen, phosphorus and potassium in soil should be close to 1:1:1. Pay attention to ploughing and weeding, pest control, drought prevention and drainage. Bamboo shoot fields for more than 2 years shall not be intercropped with other crops. 4. From bamboo shoots unearthed to late September, chemical control should be sprayed once a week, especially the young bamboo shoots and tender stems should be uniform and considerate. The medicament and dosage used per mu should be 0.2kg of ① 40%SPI-8701 glue suspension. ② carbendazim wettable powder or gel suspension: 40% Mel 50% 0.15kg-0.2kg; 25% Mel 30% 0.3kg-0.2kg. ③ 75% chlorothalonil wettable powder 0.1kg. ④ agricultural antibiotic 1200.4kg-0.5kg. Click to get more asparagus planting techniques click to get more vegetable planting techniques