摘要
内蒙古草原氮素营养问题的主要表现是土壤缺氮、豆科牧草少、草群蛋白质含量低、生产力水平低。豆科牧草对增强草地氮素循环、改善土壤氮素养分及理化性质、提高草群营养价值具有重要作用。在天然草地的恢复与重建及人工草地建设中积极利用豆科牧草,发挥其独特作用,对保持和提高草地生产力,使内蒙古的草地畜牧业逐步走上可持续发展道路有重要意义。
Problem of nitrogen nutrient of Inner Mongolia Steppe mainly represented on the low soil nitrogen, few legumes, low protein content of plant and low level of productivity. Legumes are very important to nitrogen recycle in steppe, and to improve the soil nitrogen nutrition, physical and chemical property, and to enhance the forage nutrition. Making full use of the legumes and exerting its special function in the recovery and reestablishing of natural steppe and establishing of artificial pasture is very important to enhance the steppe productivity and put into track of sustainable development in animal husbandry in Inner Mongolia Steppe.
出处
《内蒙古农业大学学报（自然科学版）》
CAS
2007年第4期238-242,共5页
Journal of Inner Mongolia Agricultural University(Natural Science Edition)
关键词
豆科牧草
内蒙古草原
氮素营养
重要作用
Important role
Legumes
Inner Mongolia steppe
Nitrogen nutrient
