Improvement of cotton agrotechnologies in ecologically unfavorable conditions of the southern Aral Sea region

Relevance. At present, the environmental crisis due to the drying up of the Aral Sea is especially acute in the Southern zone of the Aral Sea region. Due to the deterioration of the ecology of soils, crop yields are sharply reduced. All this causes the need to strengthen research to ensure the sustainable development of crop production in arid regions. In the course of the research, the influence of the number and depth of row spacing on the agrophysical properties of soils was studied. Methods and Results. With optimal inter-row tillage, the bulk soil mass, duty cycle and soil structure are preserved. Improving the agrophysical properties of the soil contributes to the good development of cotton. The average cotton crop for three years (2009-2011) was 30.4 c/ha, in the area where the first cultivation was carried out at a depth of 8-10 cm with the simultaneous application of mineral fertilizers, subsequent cultivation of the row-spacing at a depth of 10-15 cm, cutting furrows, cultivating and cutting furrows with the introduction of mineral fertilizers. In six-fold inter-row soil treatment, the control version produced 26.7 c/ ha of raw cotton or 3.7 c/ha less than the optimal variant.

Приаралье, экология, лугово-аллювиальная почва, хлопчатник, почвозащитные мероприятия, обработки междурядий, минеральные удобрения, агрофизические свойства, солевой режим, питательный режим, рост, развитие, хлопок-сырец, Aral Sea region, ecology, meadow-alluvial soil, cotton, soil-protective, row-spacing processing, mineral fertilizers, agrophysical, salt, macro, micro, aggregate nutritional regime, growth, development, raw cotton