@article{b1d4a4a0e2eb478e8fed8266230cb220,
title = "Division S-4. Soil fertility \& plant nutrition. Nitrogen management and nitrification inhibitor effects on nitrogen-15 urea. I. Yield and fertilizer use efficiency",
author = "Walters, \{D. T.\} and Malzer, \{G. L.\}",
year = "1990",
doi = "10.2136/sssaj1990.03615995005400010018x",
language = "English (US)",
volume = "54",
pages = "115--122",
journal = "Soil Science Society of America Journal",
issn = "0361-5995",
publisher = "John Wiley \& Sons Inc.",
number = "1",
}