(1) Shi Chunfei: The mulberry tree is planted 20 days before germination and at the latest by 40 days before the leaf is used. The main fertilizer is quick-acting fertilizer, which consists of 17 kg of urea or 45 kg of ammonium bicarbonate and 15 kg of superphosphate. Twenty centimeters of furrows are applied after the application.
(b) Qingyuan Disinfection: Prevention and control of mulberry yellow atrophy and purple feather disease. In the early spring, the whole garden is sprayed with 30% strong clear garden 800 times liquid or 99% green greet 150-300 times to kill overwintering pests and diseases.
(3) Rationally formulate the spring silkworm breeding plan and do a solid job of clearing poisonous silkworm silkworms.
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