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一、铲趟草木樨和沙打旺幼苗期生长很缓慢,与杂草的竞争力弱。在苗高2~3寸时,要铲一遍杂草,以防草欺,苗高半尺左右时,趟一遍地,封严垄。据测定,苗期铲趟一遍,能提高鲜草产量20%左右。二、防治虫害草木樨和沙打旺对虫害的抵抗能力比其他豆科绿肥作物都强。但近年来随播种面积的扩大,虫害巳逐渐加重。特别是早春当其他作物尚未出苗时,害虫
First, the shovel trip Shimeji and Astragalus seedlings growth is very slow, weak competition with weeds. 2 to 3 inches in height, shovel it again weeds, to prevent grasshoppers, seedlings about half a foot or so, trip over again, seal strict ridge. According to the determination of seedling shovel again, can increase the yield of fresh grass about 20%. Second, pest control Plantago and Astragalus on insect resistance than other legumes are strong green crops. However, with the expansion of sown area in recent years, pests have gradually increased. Especially in early spring when other crops have not yet emerged, pests