苜蓿不同生育期营养特性的对比分析研究  

Comparison of the nutrition character of alfalfa in different growth stages

作　　者：李光耀[1,2] 张力君[1] 孙启忠[3] 陈建华[2] 

机构地区：[1]内蒙古农业大学农学院,内蒙古呼和浩特010019 [2]包头轻工职业技术学院,内蒙古包头014035 [3]中国农业科学院草原研究所,内蒙古呼和浩特010019

出　　处：《粮食与饲料工业》2014年第5期44-46,50,共4页Cereal & Feed Industry

基　　金：现代农业产业技术体系建设专项基金(CARS-35);包头市科技局项目(2013S2007-4-17);校级科研项目(QY2013-01-06)

摘　　要：针对苜蓿营养期、孕蕾期、初花期、盛花期和结实期不同生育期采集的鲜样对其粗蛋白质、可溶性碳水化合物、粗脂肪、中性洗涤纤维、酸性洗涤纤维和酸性洗涤木质素以及pH值、缓冲能和植株体表附着的乳酸菌数青贮指标进行分析与综合评定。结果显示:若以调制干草形式贮存苜蓿,盛花期刈割为宜;以青贮的方式贮存苜蓿则初花期刈割较佳。In different growth stages,the indicators of crude protein,water soluble carbohydrate,crude fat,neutral deter-gent fiber,acid detergent fiber and acid detergent lignin included in alfalfa are different;also,the pH,buffering capacity and the number of the lactic acid bacteria clinging to alfalfa appear different.We analyzed the overall evaluation to the above indica-tors of the fresh alfalfa collected in vegetation stage,bud stage,early blooming stage,full blooming stage and seed bearing stage,respectively.The result showed that：the alfalfa mowed in full blooming stage suited to be stored in a way of drying in the sun;while those mowed in early blooming stage suited to be stored in a way of ensilage.

关 键 词：苜蓿 生育期 品质 营养特性 刈割 干草 青贮 

分 类 号：S541.9[农业科学—作物学]