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一、病虫害发生的基本情况安阳县是一个农业大县,耕地面积71369万平方米,常年作物种植以小麦、玉米为主,小麦面积56695万平方米、玉米面积53360万平方米,此外,棉花、大豆、谷子、甘薯、绿豆、各种蔬菜都有小面积种植。地势西北高而东南低,地形地貌复杂山、川、平、洼并存。作物种植多样性和地形地势的复杂性,是病虫害发生种类繁多、面积大、危害严重的原因,全县常年病虫发生种类多达100余种发生面积达400200万平方米次。
First, the basic situation of pests and diseases Anyang County is an agricultural county, arable land area of 713690000 square meters, perennial crops are mainly wheat, corn, wheat area 566950000 square meters, corn area 533600000 square meters, in addition, cotton, Soybeans, millet, sweet potato, mung bean, all kinds of vegetables have a small area planted. The terrain is high in the northwest and low in the southeast, with complicated terrain and topography. Sichuan, Ping and Hwa coexist. The complexity of crop planting diversity and terrain topography is the reason for the large variety of pests and diseases and their large area and serious harm. The pest occurrence rate of pests and diseases in the whole county reaches up to 400 200 000 000 square meters.