摘要
运用数理统计方法,分析西吉县干草原区草地—绵羊系统的研究资料,提出了提高饲草转化效率和经济效益的经营方案,为调控畜群结构提供了决策依据。
A pasture—sheep system of arid grassland in XiJi county was analysed by using mathematical statistics method. Manage plan of raising feed conversion rate and economic benefit, This papar is put out in and it provides basis for adjusting herd structure.
出处
《草业科学》
CAS
CSCD
北大核心
1993年第2期53-57,共5页
Pratacultural Science
关键词
绵羊
草地
半干旱区
生产效率
efficiency of production
output and input ratio
net income
