XVI International Botanical Congess

Due to intensive farming, Egypt is known as a heavy consumer of chemical fertilizers. The use consumer of chemical fertilizer has doubled from 30 kg. per fed. in 1970 to 60 kgLfed. in 1990 (EEAA, 1992). The huge amounts of mineral fertilizers added to soils disturbed the balance between plant nutrients, raised the costs of products and polluted environment. Our main task is to establish new farming systems committed to following an environment and sustainable approaches, and producing healthy food free from the biomagnified agrochemical residues. Over 6 years field experiments were conducted at two locations in Egypt aims to avoid the routine use of agrochemicals and reducing their rates of application to some field crops i.e., maize, soybean, sunflower, sesame, lentil and millet. Biofortified farming systems directly increased grain maize yield by 47.38% and by 20.4, 25.3 and 15.4% for soybean, sesame and sunflower. However, lentil seed was increased by 36%. In addition to fresh and dry matter of millet significantly increased by application organic manure sole or associated with bio or chemical fertilizer. Such results indicated the great efficiency of utilization biofortified system in reduce the use of agrochemicals thus conserving the environment, and subsidises agricultural sustainability.