alleviation of acid soil stress in rice by inorganic or organic ameliorants is associated with changes in soil enzyme activity and microbial community composition

The effects of calcium-magnesium phosphate, rock phosphate, lime, fly ash, and animal manure as liming agents on the microbial community composition, enzyme activities involved in C, N, P, and S cycling and rice yields of acid sulfate soils were studied in a three-year field trial. Significant incre...

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Veröffentlicht in:	Biology and fertility of soils 2015-05, Vol.51 (4), p.465-477
Hauptverfasser:	Ai, Chao, Liang, Guoqing, Sun, Jingwen, He, Ping, Tang, Shuanhu, Yang, Shaohai, Zhou, Wei, Wang, Xiubin
Format:	Artikel
Sprache:	eng
Schlagworte:	acid soils acid sulfate soils Acidic soils Acids Agriculture Animal manures Bacteria biomarkers Biomedical and Life Sciences Cereal crops Community composition community structure correlation Crop yield Enzymatic activity enzyme activity Enzymes field experimentation Fly ash grain yield Gram-negative bacteria Inorganic chemistry Life Sciences Lime liming Magnesium microbial activity microbial communities Organic chemicals Original Paper phospholipid fatty acids Rice rock phosphate Soil amendment soil amendments Soil pH Soil Science & Conservation soil treatment Soils Stress state
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Zusammenfassung:	The effects of calcium-magnesium phosphate, rock phosphate, lime, fly ash, and animal manure as liming agents on the microbial community composition, enzyme activities involved in C, N, P, and S cycling and rice yields of acid sulfate soils were studied in a three-year field trial. Significant increases in soil pH caused by five ameliorants, particularly lime and fly ash, were observed after 3 years. Both soil exchangeable Al³⁺and H⁺were significantly (P
ISSN:	0178-2762 1432-0789
DOI:	10.1007/s00374-015-0994-3