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因农事活动和病虫害侵入,常有种种残留物遗祸于土壤,对田园造成污染,如不经常清除,将严重影响作物生长发育和人畜健康。 1.清除田间的病虫植株残体 作物植株受病虫侵害后,其植株残体便成了病菌和害虫繁殖栖息的场所,是下季作物病虫害的有效来源。因此,田间这些受害植株残体应连根带叶清除出园,集中烧毁。 2.清除土壤中病虫草害的种源 病菌的菌核,害虫
Due to agricultural activities and the invasion of pests and diseases, there are often all kinds of residues left behind in the soil, which cause pollution to pastoral areas. If they are not often removed, they will seriously affect crop growth and development and human and livestock health. 1. Removal of plant diseases and insect pests plant residues Crop plants affected by pests and diseases, the plant debris has become a breeding ground for bacteria and pests, is an effective source of crop pests and diseases in the next quarter. Therefore, these plants in the field of plant residues should be removed even out of the garden with leaves, concentrated burned. 2. Remove soil bacteria and pests in the pathogen bacteria sclerotia, pests