论文部分内容阅读
江苏省于1979年以来,由42个单位组成协作组,开展“无公害蔬菜”的研究和生产,实行试验、示范、推广三结合,取得很大进展。 研究内容包括:主要病虫害的传播途径,防治指标与经济阈值;农药残留在蔬菜、土壤中的流向及监测,B.t高效菌株的选育、生产工艺及剂型、质量检测;蔬菜抗病品种的选育及栽培技术的改进;生物农药与化学农药的混合使用技术,农用抗菌素、植物性杀虫剂及高效
Since 1979, a collaborative group of 42 units has been set up in Jiangsu Province to carry out research and production of “pollution-free vegetables”. Great progress has been made in the combination of experiment, demonstration and promotion. The research contents include: the transmission route of major diseases and pests, the control index and economic threshold; the flow and monitoring of pesticide residues in vegetables and soil; the breeding, production technology and dosage form of Bt high efficient strains; And improvement of cultivation techniques; the mixed use of biological pesticides and chemical pesticides, agricultural antibiotics, plant insecticides and high efficiency