000			00679 a2200253 44500
001			6373
041			_abn
043			_cAR
100			_aWeaver, John E. (John Ernest), 1884-1966
245			_aRoot development of vegetable crops
260			_bMcGraw-Hill Book _aNew York _c1926
300			_bil., grafs. ; 24 cm. _axiii, 291 p.
440			_aMc Graw-Hill Publications in the Agricultural and biological sciences
500			_aIncluye bibliografía e índice
650			_aVEGETALES
650			_aCLIMATOLOGIA
650			_aAGRICULTURA
650			_aSUELO
650			_aCULTIVOS
650			_aRAICES
700			_aBruner, William Edward, 1897-
900			_bM
910			_aLIB
999			_c6373 _d6373