| 000 | 00377 a2200157 4500 | ||
|---|---|---|---|
| 245 | 1 | _aNitrogen fertilizers for corn | |
| 260 |
_aAmes _c1952 |
||
| 650 | _aNitrogen | ||
| 650 | _aFertilizers | ||
| 650 | _aCorn | ||
| 100 | 1 |
_aDumenil, Lloyd _d |
|
| 300 | _a837-855 p. | ||
| 440 |
_aP-114 _vIowa Agricultural Experiment Station, Bulletin |
||
| 942 |
_2udc _cB |
||
| 901 | _a35739 | ||
| 999 |
_c55686 _d55686 |
||