Nitrogen Mineralization Characteristics of Disturbed and Undisturbed Soil Samples for Four Main Soil Types on the Loess Plateau

被引：2
|
作者：
Li, Shi-Qing [1 ,2 ]
Zhao, Kun [1 ,2 ]
Lu, Hong-Ling [3 ]
机构：
[1] Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
[2] Northwest A&F Univ, Coll Resources & Environm Sci, Yangling 712100, Peoples R China
[3] Hunan Acad Agr Sci, Sci & Tech Informat Res Inst, Changsha, Hunan, Peoples R China
来源：
COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 2013年 / 44卷 / 11期
关键词：
Alternate leaching incubation; Loess Plateau; nitrification; nitrogen mineralization; potential; rate constant; soil type; INCUBATION EXPERIMENTS; N-MINERALIZATION; FIELD; POTENTIALS; MANURE;
D O I：
10.1080/00103624.2013.783056
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Long-term alternate leaching aerobic incubation was conducted to study nitrogen (N) mineralization in four main soil types under disturbed (D) and undisturbed (UD) conditions from the Loess Plateau (China). Results showed that N mineralization of the UD and D samples decreased from southern to northern Shaanxi Province. Nitrate was the main component of N mineralization during the aerobic incubation for both the D and UD samples. However, net inorganic N in the D samples was less than in UD samples. The average total mineralized N levels were 30% larger for the set of D samples than for the UD samples, and the mineralization potential of the D samples was larger than that of UD samples. Further studies are required to develop predictive methods for quantifying N availability.
引用
收藏
页码：1659 / 1673
页数：15
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