000 00323nam a2200121Ia 4500
001 MPKV053387
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082 _a630
245 _aExperiment Station Record Vol 20
_c;
246 _aExperiment Station Record Vol 20
260 _aWashington
_bU S D A
_c1908-09
650 _aAgronomy
999 _c51385
_d51385