Kutsc G. Agroecology a substantiation of cultivation of tomatoes in a part of irrigated a grain-vegetable crop rotation

Objekt of researches: tomatoes. The purpose of research: to study the processes of growth and development of plants, productivity and parameters of quality of marketable tomatoes fruits depending on berti ligers system and soil tillage in irrigated grain – vegetable crop rotation. Methods of researches: field three factor experiment and also techniques of culture. Results of researches directed to the grounds of joint application of the better methods of the main soil tillage and bertilizer; it was defined their influence on the productivity and quality of tomatoes fruits, growth, development and photo synthetic activity, absortion of the main element, of nutrition by the yield. The effect of the studied, factors on the inolices of fertility of longterm irrigated dark chestnut soil was defined. Their economic and bioenergy estimation in tomatoes, cultivation was carried out; 2) for practice – to receive stable yields of tomatoes of high quality of fruits it is recommended after harvesting of preceding crop of winter wheat to incorporate the straw, green mass of after harvest rate of festilizer for tomatoes is W120P60K60. In grain – vegetable short rotation it is recommended to apply differentiated safe – resource system of the main sail tillage. This combination insures improvement of soil fertility with signs of wide reproduction.