A national perspective
| Autor principal: | |
|---|---|
| Formato: | Libro |
| Lenguaje: | Spanish |
| Materias: |
| LEADER | 01146nam a2200349 i 4500 | ||
|---|---|---|---|
| 007 | ta | ||
| 040 | |a Universidad Nacional Agraria |b spa | ||
| 907 | |a T01 | ||
| 911 | |a AM | ||
| 978 | |a RS | ||
| 979 | |a 04-06-2001 | ||
| 991 | |a TEXTO | ||
| 991 | |a ROMAY | ||
| 020 | |a ISBN 0-89118-796-0 | ||
| 035 | |a 013139 | ||
| 041 | |a spa | ||
| 092 | |a F04 F667 | ||
| 100 | 1 | |a Fletcher, D.A. | |
| 245 | 1 | 0 | |a A national perspective |
| 773 | 0 | # | |t Managing nitrogen for groundwater quality and farm profitability: Proceedings of a Symposium sponsored by Divisin A-5 of the American Society of Agronomy; S-1, S-3, S-4, S-6, and S-8 of the Soil Science Society of America; and Division C-3 and C-5 of the Crop Science Society of America, Anaheim, CA, 1988 |d Wisconsin (EUA) , 1991 |x ISBN 0-89118-796-0 |
| 300 | |a p. 9-17 | ||
| 500 | |a 19 ref. | ||
| 650 | 7 | |a POLUCION | |
| 650 | 7 | |a TENDENCIAS | |
| 650 | 7 | |a ABONOS NITROGENADOS | |
| 650 | 7 | |a ORGANIZACIONES INTERNACIONALES | |
| 650 | 7 | |a POLITICA DE DESARROLLO | |
| 650 | 7 | |a NITRATOS | |
| 650 | 7 | |a CONTAMINANTES | |
| 650 | 7 | |a LEGISLACION | |
| 942 | |c BK |2 agris | ||
| 952 | |a 01 |b 01 |8 CG |c CG |y BK |p L0568/00 |o F04 F667 | ||