| Analysis on soil nutrients difference under different land use patterns in desert oasis region |
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| DOI：10.7606/j.issn.1000-7601.2017.01.14 |
| Key Words: soil nutrients land use patterns the Weigan-Kuqa river delta oasis |
| Author Name | Affiliation | | WANG Xue-mei | College of Geography Science and Tourism, Xinjiang Normal University, Urumqi, Xinjiang 830054, China
Xinjiang Uygur Autonomous Region key laboratory, Xinjiang Laboratory of Lake Environment and Resources in Arid Zone, Urumqi, Xinjiang 830054, China | | CHAI Zhong-ping | College of Pratacultural and Environmental Science, Xinjiang Agriculture University, Urumqi, Xinjiang 830052, China | | YANG Xue-feng | College of Geography Science and Tourism, Xinjiang Normal University, Urumqi, Xinjiang 830054, China |
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| Abstract: |
| In northern tarim basin desert oasis region(Weigan-kuqa river delta oasis) as the research object, through the field sample collection and indoor analysis, soil nutrient elements of different land use patterns(organic matter, total nitrogen, alkali solution nitrogen, available phosphorus and available potassium) were analyzed, the results show that: (1) the spatial variation of the soil nutrient elements from strong to weak order of sequence is available phosphorus＞alkali solution nitrogen＞available potassium＞total nitrogen＞organic matter. (2) under the different soil depth, the contents of soil organic matter, total nitrogen, available phosphorus and available potassium showed more significant difference between the different land use patterns(P＜0.05), while soil alkali solution nitrogen was no significant difference between the different land use patterns(P>0.05). (3) Under the different patterns of land use, the relationships of correlation were strong between the soil nutrient index of organic matter, total nitrogen and alkali solution nitrogen. The relationship of correlation between the available phosphorus and available potassium was relatively weak. |
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