Soil Nutrient Variance by Slope Position in a Mollisol Farmland Area of Northeast China
In order to generate scientifically-based comparative information to improve fertilization efficiency and reduce nutrient loss, 610 samples of 122 soil profiles were collected at the 0-60 cm depth to compare soil nutrient contents including soil organic matter （SOM）, total nitrogen （TN）, total phosp...
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| Veröffentlicht in: | Chinese geographical science 2016-08, Vol.26 (4), p.508-517 |
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| creator | Zhang, Shaoliang Jiang, Lili Liu, Xiaobing Zhang, Xingyi Fu, Shicong Dai, Lin |
| description | In order to generate scientifically-based comparative information to improve fertilization efficiency and reduce nutrient loss, 610 samples of 122 soil profiles were collected at the 0-60 cm depth to compare soil nutrient contents including soil organic matter （SOM）, total nitrogen （TN）, total phosphorus （TP）, available phosphorus （AP）, and available potassium （AK） among different slope positions in a Mollisol farmland area of Northeast China. The contents of SOM and TN typically decreased with increased soil depth at back and bottom slope. Soil loss and deposition tended to decrease SOM and TN at the 0-20 cm soil depth on both the back slope and the slope bottom. The TP firstly decreased from 0 20 cm to 30-40 cm, and then not constantly increased at the back slope and the bot- tom slope. Due to the characteristics of soil nutrients and crop absorption, the contents of both AP and AK were typically the highest at the summit, followed by the slope bottom and the back slope in the 0-20 cm layer. Generally, in order to sustain the high soil productiv- ity and protect the environment, attention should be paid to soil conservation on back slope; in addition, additional N and P fertilizer is necessary on the back slope. |
| doi_str_mv | 10.1007/s11769-015-0737-2 |
| format | Article |
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The contents of SOM and TN typically decreased with increased soil depth at back and bottom slope. Soil loss and deposition tended to decrease SOM and TN at the 0-20 cm soil depth on both the back slope and the slope bottom. The TP firstly decreased from 0 20 cm to 30-40 cm, and then not constantly increased at the back slope and the bot- tom slope. Due to the characteristics of soil nutrients and crop absorption, the contents of both AP and AK were typically the highest at the summit, followed by the slope bottom and the back slope in the 0-20 cm layer. Generally, in order to sustain the high soil productiv- ity and protect the environment, attention should be paid to soil conservation on back slope; in addition, additional N and P fertilizer is necessary on the back slope.</description><identifier>ISSN: 1002-0063</identifier><identifier>EISSN: 1993-064X</identifier><identifier>DOI: 10.1007/s11769-015-0737-2</identifier><language>eng</language><publisher>Heidelberg: Science Press</publisher><subject>Agricultural land ; Earth and Environmental Science ; Farms ; Geography ; Nutrient loss ; Nutrients ; Organic matter ; Organic phosphorus ; Soil conservation ; Soil depth ; Soil nutrients ; Soil organic matter ; Soil profiles ; Soils ; 东北 ; 中国 ; 土壤养分变异 ; 土壤有机质 ; 土层深度 ; 坡位 ; 耕地面积 ; 黑土区</subject><ispartof>Chinese geographical science, 2016-08, Vol.26 (4), p.508-517</ispartof><rights>Science Press, Northeast Institute of Geography and Agricultural Ecology, CAS and Springer-Verlag Berlin Heidelberg 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c386t-3c50f21d15e1f575a55d63b18758c6363547dabf8f990c9a3f0f4b0e420dbf6d3</citedby><cites>FETCH-LOGICAL-c386t-3c50f21d15e1f575a55d63b18758c6363547dabf8f990c9a3f0f4b0e420dbf6d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/84219X/84219X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11769-015-0737-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11769-015-0737-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Zhang, Shaoliang</creatorcontrib><creatorcontrib>Jiang, Lili</creatorcontrib><creatorcontrib>Liu, Xiaobing</creatorcontrib><creatorcontrib>Zhang, Xingyi</creatorcontrib><creatorcontrib>Fu, Shicong</creatorcontrib><creatorcontrib>Dai, Lin</creatorcontrib><title>Soil Nutrient Variance by Slope Position in a Mollisol Farmland Area of Northeast China</title><title>Chinese geographical science</title><addtitle>Chin. Geogr. Sci</addtitle><addtitle>Chinese Geographical Science</addtitle><description>In order to generate scientifically-based comparative information to improve fertilization efficiency and reduce nutrient loss, 610 samples of 122 soil profiles were collected at the 0-60 cm depth to compare soil nutrient contents including soil organic matter （SOM）, total nitrogen （TN）, total phosphorus （TP）, available phosphorus （AP）, and available potassium （AK） among different slope positions in a Mollisol farmland area of Northeast China. The contents of SOM and TN typically decreased with increased soil depth at back and bottom slope. Soil loss and deposition tended to decrease SOM and TN at the 0-20 cm soil depth on both the back slope and the slope bottom. The TP firstly decreased from 0 20 cm to 30-40 cm, and then not constantly increased at the back slope and the bot- tom slope. Due to the characteristics of soil nutrients and crop absorption, the contents of both AP and AK were typically the highest at the summit, followed by the slope bottom and the back slope in the 0-20 cm layer. 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Geogr. Sci</stitle><addtitle>Chinese Geographical Science</addtitle><date>2016-08-01</date><risdate>2016</risdate><volume>26</volume><issue>4</issue><spage>508</spage><epage>517</epage><pages>508-517</pages><issn>1002-0063</issn><eissn>1993-064X</eissn><abstract>In order to generate scientifically-based comparative information to improve fertilization efficiency and reduce nutrient loss, 610 samples of 122 soil profiles were collected at the 0-60 cm depth to compare soil nutrient contents including soil organic matter （SOM）, total nitrogen （TN）, total phosphorus （TP）, available phosphorus （AP）, and available potassium （AK） among different slope positions in a Mollisol farmland area of Northeast China. The contents of SOM and TN typically decreased with increased soil depth at back and bottom slope. Soil loss and deposition tended to decrease SOM and TN at the 0-20 cm soil depth on both the back slope and the slope bottom. 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| ispartof | Chinese geographical science, 2016-08, Vol.26 (4), p.508-517 |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Agricultural land Earth and Environmental Science Farms Geography Nutrient loss Nutrients Organic matter Organic phosphorus Soil conservation Soil depth Soil nutrients Soil organic matter Soil profiles Soils 东北 中国 土壤养分变异 土壤有机质 土层深度 坡位 耕地面积 黑土区 |
| title | Soil Nutrient Variance by Slope Position in a Mollisol Farmland Area of Northeast China |
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