Organic producers rely on natural substances and physical, mechanical, or biologically based farming methods to the fullest extent possible. Produce can be called organic if it’s certified to have grown on soil that had no prohibited substances applied for three years prior to harvest.No synthetic pesticides on organic spuds! … Organic farming works within the natural confines of the farming eco-system to provide you with great tasting food! In practice organic farming; Avoids the use of chemical fertilisers and pesticides. Requires the highest standards of animal welfare.