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
出 处:《沙漠与绿洲气象》2009年第5期47-49,共3页Desert and Oasis Meteorology
摘 要:根据2006—2008年对塔里木河上游垦区枣树冻害观测调查和预防实践总结,与当地气候资料进行对比分析,找出枣树冻害形成的因素。通过连续3a对枣树冻害的跟踪观测调查,探求原因。垦区枣树出现冻害的主要原因是受气候、土壤、田间管理、品种等综合因素的影响。根据枣树冻害形成的不同原因寻求出相应的预防栽培技术及受冻害后的补救措施。Summed up the freezing investigation of jujube and the practice of prevention in Alaer Reclamation Area during 2006-2008, and compared with the local climate data, the factors formed jujube frostbite was identified. Through follow-up observation to jujube frostbite in 3 years, the results show the main causations led to the occurrence of frostbite were climate, soil, field management, and variety etc. In accordance with the forming reasons for jujube frostbite, we seek out appropriate cultivation techniques and the remedial measures to post-frostbite.
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:216.73.216.15