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