青海保护性耕作农田杂草群落组成及生物多样性OA北大核心CSCDCSTPCD
The community composition and biodiversity of weeds in conservati on tillage system in Qinghai Province
采用倒置“W”9点取样法对青海保护性耕作农田杂草种类进行了调查,以明确田间杂草的种类组成及群落结构.结果表明,青海省保护性耕作农田杂草有67种,隶属于25科,其中优势杂草有密花香薷(Elsholtzia densa Benth)、猪殃殃(Galium maborasense Masamune)、野燕麦(Avena fatua Linn.)、藜(Chenopodium album L.)、苣荬菜(Sonhus arvensis Linn.)、大刺儿…查看全部>>
Weed survey was conducted by the method of inverted W-sampling to determine the composition of species and structure of weed communities in conservation tillage system in Qinghai Province. The results showed that there were 67 weed species belonging to 25 families in conservation tillage fields. The predominant species were Elsholtzia densa Benth, Galium maborasense Masamune, Avena fatua Linn, Chenopodium album L., Sonchus arvensis Linn and Cephalanoplos set…查看全部>>
魏有海;郭青云;郭良芝;翁华;程亮
青海省农林科学院植保所,青海西宁810016青海省农林科学院植保所,青海西宁810016青海省农林科学院植保所,青海西宁810016青海省农林科学院植保所,青海西宁810016青海省农林科学院植保所,青海西宁810016
农业科技
保护性耕作杂草群落生物多样性优势度群落相似性
conservation tillage weed communities species diversity dominance community similarity
《干旱地区农业研究》 2013 (1)
219-225,7
国家"十二五"科技支撑项目(2012BAD19B02)国家"十一五"科技支撑项目(2006BAD08A09XX)
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