00362naa a2200133 a 450000100080000000500110000800800410001910000190006024500590007926000090013865000150014765000120016277300540017418331612012-12-14       1959    bl ---       0--  u    #d1 aKNETSCH, J. L.  aMoisture uncertainties and fertility response studies.  c1959  aAdubação  aUmidade  tJournal of Farm Economicsgv. 41, p. 70-76, 1959.