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The mechanisms responsible for nitrous oxide (N2O) emission and the potential for nitrate leaching under seasonally open solar greenhouses were investigated in a nitrogen‐15 (15N) tracer study during the summer fallow period in Yangling, Shaanxi Province, China. 15N‐labelled urea and KNO3 were applied at 30 (U1, K1) and 60 (U2, K2) kg N/ha, respectively, to microplots in a solar greenhouse after harvest...
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