000			00942cam a2200217 a 4500
005			20250613112334.0
008			820803s1982 sz a b 100 0 eng
020			_a3764313749
050	0	0	_aS605.5.B39 1982
245	0	0	_aBasic technics in ecological farming : _bpapers presented at the 2nd international conference held by the IFOAM, Montreal, October 1-5, 1978 ; The Maintenance of soil fertility : exposés présentés à la 3 ème conférence internationale organisée par IFOAM, Bruxelles, du 3 au 5 Septembre 1980 / _cedited by Stuart Hill, Pierre Ott.
260			_aBasel, Switzerland : _bBirkhäuser Verlag, _c1982.
300			_a365 p. : _bill. ;
500			_aEnglish and French.
650		0	_aOrganic farming _xCongresses.
650		0	_aAgricultural ecology _xCongresses.
650		0	_aAgriculture _xCongresses.
650		0	_aSoil fertility _xCongresses.
700	1		_aHill, Stuart B.,
700	1		_aOtt, Pierre,
942			_cBK
999			_c15330 _d15330