Quantification of Effect of Temperature and Air-Drying Treatment in Paddy Soils on Mineralization of Soil Organic Nitrogen

JARQ : Japan Agricultural Research Quarterly
ISSN 00213551
書誌レコードID(総合目録DB) AA0068709X
本文フルテキスト

In a laboratory experiment, mineralization rate of soil organic nitrogen under submerged conditions using 15N tracer was studied. Mineralization rate increased with temperature. Cumulative amount of nitrogen mineralized was expressed as the product of effective temperature and the duration of incubation. The minimum threshold temperature was nearly 10℃ in the range of 20-30℃. Air-drying of soil before submergence promoted mineralization within several weeks after submergence.

刊行年月日
作成者 Shigeru TAKAHASHI Shigekazu YAMAMURO
オンライン掲載日
国立情報学研究所メタデータ主題語彙集(資源タイプ) Journal Article
29
2
開始ページ 103
終了ページ 109
言語 eng

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