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| 桂西北干热河谷区马尾松人工林土壤理化特性 | |
| 引用本文： | 何广琼,黄承标,曹继钊,马承彪,黄新荣,李保平.桂西北干热河谷区马尾松人工林土壤理化特性[J].安徽农业科学,2010,38(3):1610-1613,1649. |
| 作者姓名： | 何广琼 黄承标 曹继钊 马承彪 黄新荣 李保平 |
| 作者单位： | 1. 广西田林县乐里林场,广西乐里,533500 2. 广西大学林学院,广西南宁,530005 3. 广西林科院,广西南宁,530001 |
| 基金项目： | 广西百科计字[2007-19]“桂西北干热河谷区马尾松大径材培育技术研究”项目 |
| 摘 要： | 目的]为桂西北地区营造马尾松林提供参考价值。方法]在南盘江南缘河谷地带，选择6、10、14年生马尾松人工林设置土壤剖面，按国家颁布标准测定其土壤理化性质。结果]0～100cm土层密度为0．997～1．606g/cm3，总孔隙度为42．56％～61．03％，通气度为4．36％-39．45％；0～40cm土层pH值为4．33～5．33，有机质含量为9．02～49．99∥kg，全N含量为0．54～1．58g/kg，全P为0．35—0．86g／kg，全K为6．69～20．68g／kg。结论]桂西北干热河谷区马尾松人工林土壤容重较大、通气性一般，土壤有机质以及N,P、K养分含量偏低。 |
| 关 键 词： | 马尾松人工林 土壤理化性质 桂西北干热河谷区 |
Study on Soil Physical and Chemical Characteristics of Pinus massoniana Plantations in Dry-hot Valley of the Northwest of Guangxi |
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| HE Guang-qiong et al.Study on Soil Physical and Chemical Characteristics of Pinus massoniana Plantations in Dry-hot Valley of the Northwest of Guangxi[J].Journal of Anhui Agricultural Sciences,2010,38(3):1610-1613,1649. | |
| Authors: | HE Guang-qiong |
| Institution: | Guangxi Tianlin County Leli Forest Farm;Leli;Guangxi 533500 |
| Abstract: | Objective] The aim of the study was to provide important reference value for afforesting Pinus massoniana plantations.Method] In the Nanpan river valley margin area,6,10,14 years-old Pinus massoniana plantation soil profile were selected,by the state standards the soil physical and chemical properties were determined.Result]The results showed that: The soil bulk density of 0-100 cm soil layer were 0.997-1.606 g/cm3;total porosity were 42.56%-61.03%;ventilation rate were 4.36%-39.45%.The pH value of 0-40 ... |
| Keywords: | Pinus massoniana plantations Soil physical and chemical properties Dry-hot valley of the northwest of Guangxi |
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