The height increased fashion of Bromus inermis Leyss and Medicago varia Marein,cv. Cao yuan No.2 not by different proportion of mix sowing,the regression curves equation of height increased of B.inermis and M.varia is H=a+bt+ct 2(H is height,t is time of growing).The curves equation of biomass accumulation of Medicago is W=at b, fashion of above ground biomass accumulation of B.inermis in single sowing is W=ae bt and in mix sowing is W=at b,rate of increased of biomass ar...
【基金】
中国科学院草原生态定位站基金;
内蒙古教育厅重点项目子课题经费资助
【分类号】
S543; S541
【正文快照】
牧草草种的选择以及不同草种的混播组合及其混播比例是决定混播草地成功与否的关键技措之一 [1]。为此 ,笔者选用根茎型禾本科牧草无芒雀麦( Bromusinnermis Leyss)和直根型优质豆科牧草草原二号苜蓿 ( Medicago varia Marein.cv.CaoyuanNO.2 )进行单播及不同比例的混播组合试?