ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785
 

STUDY ON THE PRODUCTIVITY OF IRRIGATION WATER ON COTTON CROP

Published in Scientific Papers. Series A. Agronomy, Vol. LXIII, Issue 1
Written by Galina GOSPODINOVA, Antoniya STOYANOVA

The analysis of the climate change in the country shows that during the summer months there is a decrease in soil moisture, as a result of the increase in temperature and less precipitation during the period. Agriculture affects both the quantity and quality of available water resources for other uses. The purpose of this study was to investigate the effect of irrigation and productivity of irrigation water in certain varieties of cotton grown in irrigated and non-irrigated conditions. Established productivity of three varieties of cotton. The estimated climate indices and coefficients and analyzes the productivity of irrigation water and the effect of 100 m3 irrigation water to produce a kg of cotton per hectare can be used in the design and operation of irrigation systems and in determining the economic impact of drip irrigation, taking into account security of rainfall for periods of committed research. When two waterings are made, the productivity ranges from 4.99-7.40 kg/mm. Productivity of the water, after the completion of four irrigations ranges of 2.66 to 3.26 kg/mm.

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