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:李晓霞 Li Xiaoxia(Haxi Nature Reserve Station,Gansu Qilianshan National Nature Reserve Administration,Wuwei 733206,China)
机构地区:[1]甘肃祁连山国家级自然保护区管理局哈溪自然保护站,甘肃武威733206
出 处:《中国资源综合利用》2020年第4期55-57,共3页China Resources Comprehensive Utilization
摘 要:青海云杉(Picea crassifolia Kom)为我国特有树种,广泛分布在西北地区海拔1600~3800 m的地带,自然环境中多以单纯林形式生长于阴坡、山谷之间,具有重要的生态价值与经济价值。基于近年来我国生态文明建设效应的强化,青海云杉已然成为人工造林、保持水土、美化环境等功能的首选树种,为有效保障种苗供应,有必要深入探究青海云杉播种育苗技术,在常规技术基础上进一步创新、完善。本文分别从常规播种育苗和温室播种育苗两个维度出发,系统梳理、归纳青海云杉播种育苗技术。Picea crassifolia Kom is an endemic tree species in China,and it is widely distributed in the northwestern region of 1600~3800 m,which mostly grows in the form of simple forest between shady slopes and valleys in the natural environment,and has important ecological and economic values.Based on the strengthening of China’s ecological civilization construction effect in recent years,Picea crassifolia Kom has become the first choice tree species for artificial afforestation,soil and water conservation,and beautification of the environment,in order to effectively ensure the supply of seedlings,it is necessary to further explore the sowing and seedling technology of Picea crassifolia Kom,and to further innovate and improve on the basis of conventional technologies.This paper starts from the two dimensions of“conventional sowing and seedling”and“greenhouse sowing and seedling”,and systematically sorts out and summarizes Picea crassifolia Kom sowing and seedling technologies.
分 类 号:S791.18[农业科学—林木遗传育种]
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:216.73.216.171