Easily decomposable organic matter in paddy soil
نویسندگان
چکیده
منابع مشابه
Long residence times of rapidly decomposable soil organic matter
Introduction Conclusions References
متن کاملInput of easily available organic C and N stimulates microbial decomposition of soil organic matter in arctic permafrost soil
Rising temperatures in the Arctic can affect soil organic matter (SOM) decomposition directly and indirectly, by increasing plant primary production and thus the allocation of plant-derived organic compounds into the soil. Such compounds, for example root exudates or decaying fine roots, are easily available for microorganisms, and can alter the decomposition of older SOM ("priming effect"). We...
متن کاملSpatial variability of soil organic matter and nutrients in paddy fields at various scales in southeast China
The present study examines the spatial dependency of soil organic matter and nutrients in paddy fields at three different scales using geostatistics and geographic information system techniques (GIS). The spatial variability of soil organic matter (SOM), total nitrogen (TN) and available phosphorus (AP) has been characterized using a total of 460, 131 and 64 samples that were, respectively, col...
متن کاملSoil Organic Matter: Its Fractionation and Role in Soil Structure
An understanding of the form and function of SOM in soil is essential to sustainable crop production. Various methods of SOM fractionation are used to study SOM forms and to gain an understanding of interaction between SOM and aggregate formation. Physical SOM fractionation techniques are based on the concept that SOM associated with particles of various sizes. differs in structure and function...
متن کاملTemperature sensitivity of resistant soil organic matter
On the available evidence for the temperature dependence of soil organic carbon W. Knorr, I. C. Prentice, J. I. House, and E. A. Holland QUEST, Department of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK National Center for Atmospheric Research, Boulder, Colorado, USA Received: 3 June 2005 – Accepted: 22 June 2005 – Published: 1 July 2005 Correspondence to: W. Knorr (wolfgang.knorr...
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ژورنال
عنوان ژورنال: Soil Science and Plant Nutrition
سال: 1984
ISSN: 0038-0768,1747-0765
DOI: 10.1080/00380768.1984.10434682