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
作 者:蔡仁林[1]
出 处:《中国糖料》2006年第4期44-45,54,共3页Sugar Crops of China
摘 要:分析了雷州半岛甘蔗不同植期的优缺点,提出了该蔗区不同植期所占配比的建议:以冬植蔗为主,占30%~40%,稳定宿根蔗面积40%,合理搭配春植蔗10%~15%,秋植蔗占5%;抓好夏植蔗的试验、示范、推广工作。The advantage and disadvantage of planting different sugarcane stages in Leizhou peninsula were analyzed. The proper proportion of planting different sugarcane stages was suggested. The winter-planting stage was priority to the others, the planting area accounts for 30%-40%, ratoon cane area is stably planted about 40%, the plating area of spring-cane and autumn-cane are approximately 10%-15% and 5% of the total sugarcane area, respectively.
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