Abstract
-N) captured on ion-exchange membrane probes in the 10th year of a long-term drought manipulation in the shortgrass steppe (2008), when rainfall the plots received varied (shown by open dots)and the first year of recovery (2010), when all plots received the same amount of rainfall. Bars show lg-N accumulated per10 cm probe per day in each 2-month period of burial, whereas inset shows lg-N per cm rainfall during 2008, whentreatments received unequal rainfall. Where significant differences among treatments occurred, significant pairwise dif-ferences (P < 0.05) are indicated by letters. Ratios of nitrate to ammonium were consistent across treatments within anygiven time point, so are not shown separately.
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