中国草都紫花苜蓿越冬返青成败的关键原因  

The Key Reason of Success or Failure of Overwintering and Reviving of Alfalfa in China Forage Capital

作　　者：孙洪仁[1] 武瑞鑫[1] 李品红[1] 曾红[1] 刘江扬 

机构地区：[1]中国农业大学草地研究所,北京100193

出　　处：《中国奶牛》2015年第18期15-18,共4页China Dairy Cattle

基　　金：科技部科技支撑项目"优质牧草资源开发与多元化草产品加工利用关键技术研究"(2012BAD17B02);农业部公益性行业项目"苜蓿高效种植技术研究与示范"(201403048);国家现代农业产业技术体系建设项目"现代牧草产业技术体系建设"(CARS-35)

摘　　要：本文系统分析了影响中国草都紫花苜蓿越冬返青的自然因素和人为因素,包括严寒、干旱、风蚀、土壤沙性、品种、播种期、播种方法、越冬肥、末次刈割和冬季灌溉等。结论如下:决定中国草都紫花苜蓿越冬返青成败的主要矛盾是干旱与抗旱,中国草都紫花苜蓿越冬返青成败的关键原因是冬季灌溉。The natural and artificial factors, consisting of severe cold, drought, wind erosion, sand soil, variety selecting, seeding time, seeding method, overwinter fertilizing, autumn cutting and overwinter watering, which affected alfalfa overwintering and reviving in China Forage Capital were systematically analysed in this paper. The conclusions were as follows. The principal contradiction that determined the success or failure of alfalfa overwintering and reviving in China Forage Capital was drought and drought resisting. The key reason which affected alfalfa overwintering and reviving in China Forage Capital was overwinter watering.

关 键 词：中国草都 紫花苜蓿 越冬 返青 冬季灌溉 

分 类 号：S823.4[农业科学—畜牧学]