000			00674 a2200253 44500
001			6372
041			_abn
043			_cAR
100			_aWeaver, John E. (John Ernest), 1884-1966
245			_aRoot development of vegetable crops
260			_bMc Graw-Hill Book _aNew York _c1927
300			_bil. ; 24 cm. _axiii, 351 p.
440			_aMc Graw-Hill Publications in the Agricultural and biological science
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			_c6372 _d6372