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]中南林业科技大学,湖南长沙410004 [2]沅陵县林业局,湖南沅陵419600 [3]怀化市林业局,湖南怀化418000
出 处:《中南林业科技大学学报》2008年第3期84-87,共4页Journal of Central South University of Forestry & Technology
基 金:中南林业科技大学青年基金(2008012B)
摘 要:为解决大母竹造林种源不足且成本过高的问题,2001年开始进行了小母竹造林快速成林成材试验,系统地研究了保留株数、施肥种类和数量及施肥季节对平均地径、单株发笋数及发笋成竹率等方面的影响.结果表明:保留株数对平均地径影响较大,以2株为佳,施肥种类和施肥时间的差异对平均地径影响不显著;保留株数、施肥种类和数量及施肥季节对单株发笋数都有极显著影响,保留2株,施复合肥、磷肥和尿素分别0.5、0.1和0.2 kg及1月、6月施肥,单株发笋数最多;保留株数、施肥种类和数量及施肥季节对毛竹发笋成竹率影响不明显.In order to solve the problem of insufficient sources and high costs for big bamboo afforestation, a systematic study was conducted since 2001 of bamboo seedling afforestation, particularly of the influence of its retained bamboo number, fertilizer type and quantity, and fertilizing season upon its average ground diameter, single bamboo shooting and rate of shoots maturing into bamboos. The results show that the retained number has a big impact upon the average ground diameter but the difference of fertilizer type and season does not have an obvious one upon it; that the retained number and fertilizer type, quantity and season, have a remarkable influence upon the number of single bamboo shoots; that this number of shoots become the biggest when two bamboo trees are retained, the ratio of compound fertilizer, phosphorus and urea is 0. 5 : 0.1 : 0.2 kg and the fertilizing time is in January and June and that the rate of shoots maturing into bamboos has no apparent relation with the retained bamboo number, fertilizer type and quantity, and fertilizing season.
分 类 号:S795.7[农业科学—林木遗传育种] S721[农业科学—林学]
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:216.73.216.13