000 00535 a2200181 4500
020 _a0080342116
082 _a631.584
_bWID
090 _c22051
_d34602
100 _aWiddowson, R.W.
245 _aTowards holistic agriculture
_ba scientific approach
260 _aOxford
_bPergamon press
_c1987
_g1987
300 _axi,187p.
_c24cm
650 _aSpecific techniques:apparatus, equipment, materials
650 _aOrganic farming
650 _aSpecial methods of cultivation
650 _aCultivation and harvesting
942 _cL
999 _c49463
_d49463