| 000 | 00435 a2200145 4500 | ||
|---|---|---|---|
| 245 | 1 | _aFewer applications of DDT with proper timing produce equal yields of potatoes at less cost | |
| 260 |
_aOrono _c1954 |
||
| 650 | _aFewer Applications | ||
| 650 | _aPotatoes | ||
| 100 | 1 |
_aSimpson, G.W., Shands, W.A. _d |
|
| 300 | _a28 p. | ||
| 440 |
_aNo. 533 _vMaine Agricultural Experiment Station Bulletin |
||
| 942 |
_2udc _cB |
||
| 901 | _a43950 | ||
| 999 |
_c55989 _d55989 |
||