淮北地区夏玉米田杂草发生规律及防除研究淮北地區夏玉米田雜草髮生規律及防除研究 회북지구하옥미전잡초발생규률급방제연구 Srudies on Distribution and Chemical Control of Weeds in Summer Planting Corn Field in Northern of Huai River,Jiangsu
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陕西农业科学陝西農業科學협서농업과학 SHAANXI JOURNAL OF AGRICULTURAL SCIENCES 2000年5期9-11,共3页
