优良牧草——科尔沁尖叶胡枝子  

Elite Forage-Lespedeza Hedysaroides cv. Keerqin

作　　者：孙启忠[1] 韩建国[2] 王赟文[2] 赵淑芬 冯志茹 

机构地区：[1]中国农业科学院草原研究所,呼和浩特010010 [2]中国农业大学草地研究所,北京100094 [3]内蒙古林西县草原工作站,内蒙古林西镇025250

出　　处：《牧草与饲料》2007年第3期21-22,31,共3页Journal of Forage & Feed

基　　金：“十一五”国家科技支撑项目（2006BAD16803）

摘　　要：科尔沁尖叶胡枝子为豆科多年生草本状半灌木，适应于干旱、半干旱区，在内蒙古农牧交错带东段种子9月中旬成熟，产量约636．89kg／hm^2，生育期约115—120d。成熟株高80-90cm，生长2年和3年的鲜干草产量平均为15310．7和5838．5kg／hm^2。科尔沁尖叶胡枝子生育后期基部叶易脱落，收获牧草宜在7月中下旬刈割，留茬高度10cm左右，可调制干草，尤以青贮效果较好，牛羊喜食，羊最喜食。Lespedeza hedysaroides cv. Keerqin of Legume is a perennial herbaceous shrub, adapted to arid and semiarid areas. In agro-pastoral region of Inner Mongolia, the seeds mature in mid September and the yield is about 636.89 kg/ha, and the bearing stage is about 115 - 120 days. Mature individuals are 60 - 90 em tall. The average yield of fresh grass and hay of the second year and the third year are 15 310.7 and 5 838.5 kg/ha. The basal leaves of Lespedeza hedysaroides ev. Keerqin lend to fall in the late bearing stage. Reaping forage is appropriate in mid and last July. Stubble is about 10 em. Lespedeza hedysaroides ev. Keerqin can be concocted into hay, especially silage is preferable. Cattles and sheep are fond of eating it, especially sheep.

关 键 词：尖叶胡枝子 胡枝子 豆科牧草 

分 类 号：S541.5[农业科学—作物学]