Fig. 1. Volumetric mixing ratios of nitrous oxide during soil incubations with C₂H₂ (arrows) or without. Successional incubations (left panels) show similar patterns regardless of moisture history. For short-wet cropped soil (lower right) accumulation of N₂O only (no arrow) was only slightly less than total denitrification (with arrow) in marked contrast to long-wet cropped soil (upper right). Error bars represent standard errors (n = 3).

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