编号 zgly0000361547

文献类型 期刊论文

文献题名 Effects of soil moisture and soil depth on nitrogen mineralization process under Mongolian pine plantations in Zhanggutai sandy land, P. R. China

学科分类 220.99;林学其他学科

作者 CHENFu-sheng  ZENGDe-hui  SINGHAnandNarain  CHENGuang-sheng 

作者单位 DaqinggouEcologicalStation  InstituteofAppliedEcology  ChineseAcademyofSciences  Shenyang110016  P.R.China  DaqinggouEcologicalStation  InstituteofAppliedEcology  ChineseAcademyofSciences  Shenyang110016  P.R.China//GraduateSchoolofChineseAcademyofSciences  Beijing100039  PR.China  DaqinggouEcologicalStation  InstituteofAppliedEcology  ChineseAcademyofSciences  Shenyang110016  P.R.China//SchoolofForestryandWddlifeSciencesAuburnUniversity  AL36830U.S.A 

母体文献 Journal of Forestry Research;林业研究: 英文版 

年卷期 2005,16(2)

页码 101-104

年份 2005 

分类号 S791.253 

关键词 樟子松  土壤层次  土壤水分  土壤氮矿化  半干旱地区  实验室好氧培养法  固沙林 

文摘内容 The rates of soil N mineralization at soil depths of 0-15, 15-30, 30-45 and 45-0 cm and moisture regimes were measured at three sand-fixation plantations of Pinus sylve.stris var. mongolica by laboratory aerobic incubation method. The results showed that average rates of soil net N-mineralization across soil depth varied from 1.06 to 7.52 mg ~ kg 1.month qat soil depths from 0 to 60 cm. Statistical analyses indicated that the effects of different soil depths, moistures and their interactions on net N-mineralization rates were significant (P<0.05). The net N-mineralization rates significantly decreased with increasing soil depths and at depth 0-15 cm accounted for 60.52% of that at depth of 0-50 cm. There was no difference in soil net N-mineralization rates between half and fully-saturated water treatments, however these rates were substantially higher than that without water treatment (P < 0.05). The factors influencing N mineralization process have to be studied further in these semiarid pine ecosystems。