00612nam a2200193 a 450000500170000000800410001702000150005804100080007308200130008110000230009424500530011726400440017030000320021450000200024665000440026665000570031065000220036770000290038920260717090957.0260717s1976    ii            000 0 eng d  a0582441277  aeng04a571.20281 aRoberts, J. (John)10aPractical plant physiology /cRoberts, J. (John) 1aLondon :bLongman group limited,c1976.  axii, 161 p. : ill. ; 22 cm.  aIncludes index. 4aPlant physiology -- Laboratory manuals. 4aPhysiologie végétale -- Manuals de laboratories. 4aPlant physiology.1 aWhitehouse, David, 1946-