当前位置: 首页 > 文章 > 长期施用不同肥料对红哺鸡竹林叶片碳、氮、磷化学计量特征的影响 生态学杂志 2011,30 (12) 2667-2671
Position: Home > Articles > Stoichiometry of C,N and P in Phyllostachys iridescens leaves under long-term application of different fertilizers Chinese Journal of Ecology 2011,30 (12) 2667-2671

长期施用不同肥料对红哺鸡竹林叶片碳、氮、磷化学计量特征的影响

作  者:
郭子武;虞敏之;郑连喜;杨清平;李迎春;陈双林
关键词:
红哺鸡竹;施肥;化学计量学;养分利用效率
摘  要:
为了给笋用竹林土壤合理补充养分提供科学依据,以红哺鸡竹(Phyllostachys iridescens)为对象,开展了长期施用不同肥料(生物有机肥、复合肥、菜籽饼肥和不施肥(对照))竹林2年生立竹叶片C、N、P化学计量学特征的研究。结果表明:叶片C、N、P含量分别为514.26~582.77、18.25~30.20、1.20~1.75mg·g-1,施肥竹林均极显著或显著高于对照竹林,以施菜籽饼肥竹林叶片C含量最高,施生物有机肥竹林叶片N、P含量最高;叶片C:N、C:P分别为18.71~35.02、304.41~458.52,总体上施肥竹林较对照竹林极显著降低,施肥竹林N、P养分利用效率显著降低;叶片N:P为15.28~17.12,相对稳定,施肥竹林与对照竹林无显著差异;叶片N、P含量呈极显著正相关,N含量与N:P相关性不显著,而P含量与N:P呈极显著负相关。
译  名:
Stoichiometry of C,N and P in Phyllostachys iridescens leaves under long-term application of different fertilizers
作  者:
GUO Zi-wu1,YU Min-zhi2,ZHENG Lian-xi2,YANG Qing-ping1,LI Ying-chun1,CHEN Shuang-lin1(1Subtropical Forestry Institute,Chinese Academy of Forestry,Fuyang 311400,Zhejiang,China;2 Longyou Forestry Bureau of Zhejiang,Longyou 324400,Zhejiang,China)
关键词:
Phyllostachys iridescens;fertilization;stoichiometry;nutrient use efficiency.
摘  要:
A field experiment was conducted to study the leaf C,N and P stoichiometry of 2-year-old Phyllostachys iridescens individuals under long-term application of bio-organic fertilizer,compound fertilizer and rapeseed cake fertilizer,aimed to provide scientific basis for the rational supplement of soil nutrients in bamboo-shoot-use P.iridescens stand.In all treatments,the leaf C,N and P concentrations were 514.26-582.77 mg·g-1,18.25-30.20 mg·g-1,and 1.20-1.75 mg·g-1,respectively.Fertilization increased the leaf C,N,and P concentrations significantly.The leaf C concentration was the highest under the application of rapeseed cake fertilizer,and the leaf N and P concentrations were the highest under the application of bio-organic fertilizer.The leaf C:N and C:P ratios in all treatments were 18.71-35.02 and 304.41-458.52,respectively,and fertilization decreased these ratios significantly,being most obvious under the application of bio-organic fertilizer.The leaf N:P ratio ranged from 15.28 to 17.12,and no significant difference was observed among all treatments.There was a significant positive correlation between leaf N and P,no correlation between leaf N and N:P,and a significant negative correlation between leaf P and N:P.

相似文章

计量
文章访问数: 11
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊