Organic farming is environment mixed farming, by there is no adverse affect on micro organism found in land and land does not loose its natural production capacity. Grains and vegetables grown by organic farming is not harmful in any ways to our health. Organic farming is that method of agriculture which is based on non use or minimum use of synthesized fertilizers and pesticides and which uses crop rotation, green manure compost to maintained fertility of the land.
Yes by organic farming we can obtain same quantity of food grain as we could obtain by use of chemical fertilizers. Other than this by improving quality of land we can increase production by mixed farming and crop rotation. Because by organic farming along with improvement in quality of land, water holding capacity of land also increase and evaporation of water from land decrease.