Fig. 5. Daily measurements of LFN and total N evolved as N₂ and N₂O from creeping bentgrass cores fertilized with ¹⁵N-labeled KNO₃ or urea in the field. Weekly fertilizer applications were made from 18 July through 21 Aug. 2000. Values reported are means of the two replications. Standard errors are reported for each calculated mean. Arrows indicate fertilizer applications.

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