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植物保护是耕作系统的必要环节 ,它为新品种、化肥施用、土壤改良等农业技术措施潜能的发挥及栽培植物的健康提供了有力保障。集约化的化学 -机械化耕作是 2 0世纪农业的一个重要特点 ,在这个系统里 ,植物保护学的研究成果为提高作物产量作出了贡献。但由于强化使用化学的植保
Plant protection is an essential part of the farming system. It provides a powerful guarantee for the potential of agricultural techniques and measures such as new varieties, fertilizers and soil improvement, and the health of cultivated plants. Intensification of chemical-mechanized farming is an important feature of agriculture in the 20th century, in which plant protection research contributes to increasing crop yields. However, due to intensive use of chemical plant protection