| 000 | 00438 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aHeady, E.O., Pesek. J.T., Rao, V.Y. | |
| 245 | 1 | _aFertilizer production functions from experimental data with associated supply and demand relationships | |
| 260 |
_aAmes _c1966 |
||
| 300 | _a656-678 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aFertilizer Iowa Agricultural and Home Economics Experiment Station. Research Bulletin No. 543 | ||
| 901 | _aS13442 | ||
| 999 |
_c113500 _d113500 |
||