00750 a2200229 4500 GCWUF 20210122005219.0 210122b xxu||||| |||| 00| 0 eng d 9780123743473 ENG MAIN 631.84 HAT Hatfield, Jerry L.; 5075 Nitrogen in the environment : sources, problems, and management/ Hatfield, Jerry L.; 2nd ed. 2008. New York: AP, xvi,702 p. : ill ; 26 cm. H.B. Include Index Nitrogen fertilizers Nitrogen fertilizers--Environmental aspects 5076 Nitrogen--Environmental aspects Nitrogen cycle 5077 Follett, R. F. 5078 ddc BK 11259 11259 0 0 ddc 0 0 NFIC MAIN MAIN SC 2021-01-11 117 18137.08 0 574.52 HAT B0046643 2020-09-29 00:00:00 22671.35 2021-01-11 BK