(接上期)小麦田杂草群落的分布、发生规律及防治第二部分:根据全国农田杂草考察组报道,我国麦田草害面积占种植面积的55%以上,其中严重危害面积占28%,损失产量占小麦总产量的15%。冬小麦主要杂草有30种左右,淮河以南主要以禾本科杂草为主,如看麦娘、日本看麦娘、雀麦、早熟禾、硬草、棒头草、菵草等。阔叶杂草主要有猪殃殃、牛繁缕、婆婆纳、碎米荠、酸 (Continued) Distribution, Occurrence and Prevention and Control of Weed Communities in Wheat Fields Part II: According to the report of the State Farm Weed Research Team, the area of ​​grassland infested by wheat in China accounts for more than 55% of the planting area, of which 28% The loss of production accounts for 15% of the total wheat output. There are about 30 main weeds of winter wheat in the south of the Huaihe River, mainly dominated by weeds such as Ophiopogon japonicus, Amanita matsutake, bluegrass, Kentucky bluegrass, hard grass, head grass and horsetail grass. Broadleaf weeds are mainly Galium aparine, Niu Zhiwa, Stratagem, broken chestnuts, acid