Organic fertilizers have divergent effects on soil N2O emissions

A field experiment was conducted in a subtropical tea ( Camellia sinensis (L.) O. Kuntze) plantation in Jiangsu Province, China, including the following treatments: no nitrogen (N) fertilizer (control), conventional mineral N fertilizer (urea) (CN), soybean cake fertilizer (SF), pig manure (PM), cat...

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Veröffentlicht in:	Biology and fertility of soils 2019-10, Vol.55 (7), p.685-699
Hauptverfasser:	He, Tiehu, Yuan, Junji, Luo, Jiafa, Wang, Weijin, Fan, Jianling, Liu, Deyan, Ding, Weixin
Format:	Artikel
Sprache:	eng
Schlagworte:	Acidic soils Agriculture Biomedical and Life Sciences Carbon-nitrogen ratio Cattle manure Charcoal Chickens Confidence intervals Emissions Emissions control Fertilizer application Fertilizers Life Sciences Livestock Manures Nitric oxide Nitrogen Nitrous oxide Organic fertilizers Original Paper Pig manure Plantations Poultry manure Soil Soil Science & Conservation Soybeans Tea Urea
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Beschreibung
Zusammenfassung:	A field experiment was conducted in a subtropical tea ( Camellia sinensis (L.) O. Kuntze) plantation in Jiangsu Province, China, including the following treatments: no nitrogen (N) fertilizer (control), conventional mineral N fertilizer (urea) (CN), soybean cake fertilizer (SF), pig manure (PM), cattle manure (CaM), chicken manure (CM), and CM + biochar (CMB). Cumulative nitrous oxide (N 2 O) and nitric oxide (NO) emissions were 4.8 ± 0.1 and 3.7 ± 0.3 kg N ha −1 year −1 under CN, respectively, and increased to 5.4 ± 0.2 and 4.6 ± 0.3 kg N ha −1 year −1 under SF ( P
ISSN:	0178-2762 1432-0789
DOI:	10.1007/s00374-019-01385-4