检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
机构地区:[1]新疆畜牧科学院草原研究所,乌鲁木齐830000
出 处:《中国草地》2000年第2期61-67,共7页Grassland of China
基 金:新疆农办资助
摘 要:新疆苜蓿生产历史久远。 194 9年到 80年代初 ,苜蓿种植面积基本呈上升趋势 ,之后有降有升 ,从 80年代末逐年下滑。究其原因 ,主要是经济利益趋动和认识上的退步。苜蓿在未来种植业结构调整中占据重要位置 ,是农牧结合的纽带 ,重新认识和重视苜蓿生产的作用 ,组建管理机构 ,开拓市场 ,强化实用技术研究和对生产者的指导与服务 ,可望摆脱困境 ,再展昔日辉煌。Xinjiang has long history of alfalfa production. The area of planting alfalfa was continusly increased from 1949 to 1980s. It flucated after that period. It has been dropping gradually since late 1980s. The major reasons were due to the constrains of the economical returns and setback of the people's viewpoint. Alfalfa will take an important position in the adjustment of plantation structure in the future. It is the ligament between agricultural and animal husbandry. In order to solve the current problems of alfalfa production, it is required to reunderstand and emphasis on the role of alfalfa production, construct the management organizations, open up the market, intensify the research on applied techniques and provide guidence and services to producers.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.117