farming which follows practices designed to minimise the human impact on the environment, while ensuring the agricultural system operates as naturally as possible; such practices may include wide crop, crop production systems that generally exclude the use of synthetic fertilizers, pesticides, and other chemicals, taastuvail loodusvaradel põhinev ja loodusseadusi järgiv taime- ja loomakasvatus, selline põllumajanduslik tootmisviis, kus pööratakse suurt tähelepanu keskkonnahoiule ja ökoloogilisele tasakaalule