000 | 00390 am a2200121 a 4500 | ||
---|---|---|---|
245 | 1 | _aNitrogen fixation, composition and growth of soybeans in relation to variable amounts of potassium and calcium | |
260 |
_aColumbia _bMissouri Agricultural Experiment Station _c4/1944 |
||
300 | _a36p. | ||
100 | 1 |
_aW.A. Albrecht _d |
|
942 |
_2udc _cB |
||
440 | _a381, res. bull. | ||
901 | _aS25689 | ||
999 |
_c100018 _d100018 |