中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Effect of nitrogen fertilizers on movement and transformation of phosphorus in an acid soil

文献类型:期刊论文

作者Du, ZY; Zhou, JM; Wang, HY; Du, CW; Chen, XQ
刊名PEDOSPHERE
出版日期2005-08-01
卷号15期号:4页码:424-431
关键词NH4Cl P movement P transformation red soil urea
ISSN号1002-0160
通讯作者Du, ZY(zydu@issas.ac.cn)
英文摘要The effects of two different nitrogen fertilizers (urea and NH4Cl) with monocalcium phosphate (MCP) on the movement and transformation of fertilizer P in soil microsites along with soil pH changes at different distances from the fertilizer application site were studied in an incubation experiment. A highly acidic red soil (Ultisol, pH 4.57) from South China with MCP fertilizer alone or in combination with NH4Cl or urea was added to the surface of soil cylinders and packed in wax blocks. After 7 and 28 days, the extraction and analysis of each 2 mm layer from the interface of the soil and fertilizer showed that added NH4Cl or urea did not change the movement distance of fertilizer P. However, P transformation was significantly affected (P < 0.05). After 7 days, at 0-8 mm distance from the fertilizer site the addition of urea significantly decreased the water-extract able P concentration; however, after 28 days the effect of N addition had disappeared. Also, at limited distances close to the fertilizer site NH4Cl application with MCP significantly increased acid-extractable P and available P, while with the addition of urea they significantly decreased. Compared with application of MCP alone, addition of urea significantly increased soil pH in fertilizer microsites, whereas the addition of NH4Cl significantly decreased soil pH.
收录类别SCI
WOS关键词TRIPLE SUPERPHOSPHATE ; PHOSPHATE ; UREA ; AVAILABILITY ; RETARDATION ; EFFICIENCY ; DIFFUSION ; SORPTION ; CATIONS ; PLANTS
WOS研究方向Agriculture
WOS类目Soil Science
语种英语
WOS记录号WOS:000230707200003
出版者SCIENCE PRESS
URI标识http://www.irgrid.ac.cn/handle/1471x/2558505
专题南京土壤研究所
通讯作者Du, ZY
作者单位Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China
推荐引用方式
GB/T 7714
Du, ZY,Zhou, JM,Wang, HY,et al. Effect of nitrogen fertilizers on movement and transformation of phosphorus in an acid soil[J]. PEDOSPHERE,2005,15(4):424-431.
APA Du, ZY,Zhou, JM,Wang, HY,Du, CW,&Chen, XQ.(2005).Effect of nitrogen fertilizers on movement and transformation of phosphorus in an acid soil.PEDOSPHERE,15(4),424-431.
MLA Du, ZY,et al."Effect of nitrogen fertilizers on movement and transformation of phosphorus in an acid soil".PEDOSPHERE 15.4(2005):424-431.

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来源:南京土壤研究所

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