摘要
对山东花生田杂草进行了调查研究。结果表明,山东花生田杂草26科70余种,种群最大的为禾本科,马唐为最主要杂草。不同条件下,杂草分布情况有较大差异,平泊地较山丘地杂草密度大,沿海地带较内陆密度大,夏播较春播密度大,平种较垄种密度大。平泊地、沿海地带杂草种类也较多。
Investigation was carried out on the weed in peanut feild in Shandong province.The re- sults are that there are weeds of 26 families,over 70 races in peanut field in Shandong prov- ince.The biggest species is Graminaceae and Digitaria Haller is the main weed.Under dif- ferent conditions,the distribution of weed are significant different.The density of weed is greater in plain,coastal area,summer sowing and flat sowing peanut than that in moun- tainous region,inland,spring sowing and sowing on ridge.There are more weed species in plain and coastal area.
出处
《莱阳农学院学报》
1990年第3期200-203,共4页
Journal of Laiyang Agricultural College
关键词
花生田
杂草
类群
分布
weed
peanut
species community
distrbution
