TY - BOOK AU - Poincelot,R.P. TI - Toward a more sustainable agriculture SN - 0870555189 : AV - S604.6.P64 1986 PY - 1986/// CY - Westport PB - Avi Publishing Company KW - Agricultural conservation KW - Agriculture KW - Energy conservation KW - Sustainable agriculture KW - Organic farming ER -