00515naa a2200157 a 450000100080000000500110000800800410001910000160006024500970007626000090017330000160018265000090019870000130020770000200022077301170024021195302020-01-29       1991    bl uuuu     u00u1 u    #d1 aBOULDIN, D.  aNutrient balance for cropping systems based on legume green manures in oxisols and ultisols.  c1991  ap. 116-117.  aSolo1 aCAHN, M.1 aCRAVO, M. D. S.  tIn: McBRIDE, T. P. (Ed.). Tropsoils technical report, 1988-1989. Raleigh: North Carolina State University, 1991.