000 | 00346 am a2200121 a 4500 | ||
---|---|---|---|
100 | 1 | _aFlint, L.H. | |
245 | 1 | _aCrop-plant stimulation with paper mulch | |
260 |
_aWashington _c1928 |
||
300 | _a1-20 p. | ||
942 |
_2udc _cB |
||
440 | _aCrop, Plant, Mulch United States Department of Agriculture. Technical Bulletin No. 75 | ||
901 | _aS50217 | ||
999 |
_c107109 _d107109 |