Characteristics of spatial distribution of soil organic matter and total nitrogen in Hexi Area——A case study in Ganzhou District of Zhangye
View Fulltext  View/Add Comment  Download reader
  
DOI:10.7606/j.issn.1000-7601.2010.04.34
Key Words: GIS  geostatistics  Hexi region  soil total nitrogen  soil organic matter  spatial variability
Author NameAffiliation
YANG Dong Collge of Geography and Environmental SciencesNorthwest Normal University, Lanzhou, Gansu 730070, China 
LIU Qiang Collge of Geography and Environmental SciencesNorthwest Normal University, Lanzhou, Gansu 730070, China 
Hits: 229
Download times: 131
Abstract:
      Through the application of statistical methods to GanZhou soil (0~20 cm, organic nitrogen) data are an- alyzed. Finally indicate soil entire nitrogen, organic quality contents comparison low, existence is buming obvious space be allotted the opposite sex, be shown in order the secondary centre faces the all around gradually degressive trend, the function applying half method difference analyses , soil entire nitrogen and organic quality there exist space correlativity in inner, change Cheng into 2 respectively in certain range. And and both 4 km and 0.35 km, are related to within a less space dimension range, entire as a whole memorial of nitrogen strip banding scatters, organic quality memorial speckle form of block distribution, the contents space dissociation has the aeolotropism characteristic, very good have reflected or-ganic quality of soil and complete it' s respective theory model and corresponding parameter nitrogen contents mutant char-acteristics,this mutant characteristic bigger than structure factor, is had medium space correlativity by random factor effect.