重庆喀斯特地貌型优良牧草引种筛选试验  

The Experiment of Introduction Pasture Species in Kasit Topography Area in Chongqing

作　　者：范彦[1] 徐远东[1] 方亚 王琳[1] 黄勇富[1] 姚家志 

机构地区：[1]重庆市畜牧兽医科学研究所,重庆400039 [2]重庆市酉阳县畜牧局,重庆酉阳409800

出　　处：《四川草原》2004年第4期18-21,共4页Journal of Sichuan Grassland

基　　金：重庆市科委"九五"科技攻关项目<黔江喀斯特地貌型草地改良与利用研究>主要研究内容之一。

摘　　要：通过3年对29个牧草品种物候期、适应性能、产量、主要营养成分、再生性能等进行的试验研究,在酉阳县3个不同海拔高度共筛选出20个优良牧草品种,其中豆科6个、禾本科11个、其他科3个。这些牧草产量高、适应性强、营养价值高,可作为喀斯特地貌型区域人工草地建植、天然草地改良的主打草种,可进行大面积推广。Some indexs such as the phenology, adaptability, yields, nutrition contents etc.of 29 introduced pasture species were observed in three years.20 pasture species were screen out from three different elevation experiment spots in you yang county, among them there are 6 leguminous, 11 forage species and 3 other family grass.the results show these pasture species have higher yields, stronger adaptability and higher value of nutrition, they can be used for construction artificial grassland and improving natural grassland in similar Ka-sit area, and spreaded widely.

关 键 词：重庆 喀斯特地貌 牧草 引种 物候期 生产性能 海拔 

分 类 号：S54[农业科学—作物学]