| 000 | 00965nab a22003497a 4500 | ||
|---|---|---|---|
| 001 | G48246 | ||
| 003 | MX-TxCIM | ||
| 008 | 121211b |||p||p||||||| |z||| | | ||
| 022 | 0 | _a0047-2425 | |
| 040 | _aMX-TxCIM | ||
| 041 | 0 | _aEn | |
| 043 | _aUS | ||
| 072 | 0 | _aF25 | |
| 082 | 0 | 4 | _a76-082962 |
| 100 | 1 | _aLudwick, A.E. | |
| 245 | 0 | 0 | _aSoil nitrates following four years continuous corn and as surveyed in irrigated farm fields of central and eastern Colorado |
| 260 | _c1976 | ||
| 340 | _aPrinted | ||
| 500 | _a18 ref.; Summary (En) | ||
| 546 | _aEnglish | ||
| 591 | _aCOMOD | ||
| 595 | _aAC | ||
| 650 | 1 | 0 | _aColorado |
| 650 | 1 | 7 |
_aFertilizers _gAGROVOC _2 _91111 |
| 650 | 1 | 7 |
_aMaize _gAGROVOC _2 _91173 |
| 650 | 1 | 0 |
_91314 _aZea mays _gAGROVOC |
| 650 | 1 | 0 |
_91952 _aSoil fertility _gAGROVOC |
| 700 | 1 |
_aLangin, E.J., _ecoaut. |
|
| 700 | 1 |
_aReuss, J.O., _ecoaut. |
|
| 773 | 0 |
_tJournal of Environmental Quality _n76-082962 _gv. 5, no. 1, p. 82-86 |
|
| 942 | _cJA | ||
| 999 |
_c13035 _d13035 |
||