000 | 00419 a2200133 4500 | ||
---|---|---|---|
100 | 1 | _aHeady, E.O. | |
245 | 1 | _aOptimum farm plans for beginning farmers on Tama-Muscatine soils (An application of linear programming) | |
260 |
_aAmes _c1956 |
||
300 | _a780-803 p. | ||
440 | _aIowa Agricultural Experiment Station. Research Bulletin No. 440 | ||
650 | _aFarm, Farmers, Soils | ||
942 |
_2udc _cB |
||
901 | _a50811 | ||
999 |
_c55754 _d55754 |