| 000 | 00414 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aYoung, M.T. | |
| 245 | 1 | _aBollweevil control with calcium arsenate on field plots in madison parish, LA., from 1920 to 1934 | |
| 260 |
_aWashington _c1935 |
||
| 300 | _a1-24 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aBollwveevil, Calcium, Field United States Department of Agriculture. Technical Bulletin No. 487 | ||
| 901 | _aS50261 | ||
| 999 |
_c107180 _d107180 |
||