IRRIGATION INFLUENCE ON WATER CONSUMPTION AND YIELD IN SUNFLOWER CROP IN THE CRISURILOR PLAIN AND IN DIFFERENT REGIONS OF ROMANIA
Journal Title: Natural Resources and Sustainable Development - Year 2014, Vol 4, Issue 1
Abstract
The results of research in the field of soil water balance placed on preluvosoil from Agricultural Research and Development Station Oradea are compared with results obtained from Podu Iloaiei (Northern Moldova), Braila and Mărculeşti (Baragan Plain), Valu lui Traian and Caracal (Oltenia Plain). On the irrigation depth of the sunflower crop (Grumeza N., 1989) has been taken to maintain the water supply between easily available water content and field capacity. For this purpose soil samples were taken from 10 to 10 days being irrigated whenever the water reserve reached the minimum level. In Oradea, in the period 1976-2014 average of total water consumption at irrigated sunflower was 48.1% higher than the value registered in unirrigation conditions, the differences registered over the years ranging between 15 and 122%. For coverage the optimum water consumption irrigation was needed each year to cover its share of total water consumption is between 6 and 63% . Irrigation determined more stable yields obtained, value of standard deviation of the yields obtained under irrigation condition in Oradea, in the period 1976-2014 is less than 8.6% under unirrigation conditions.
Authors and Affiliations
Cristian Domuța
Keywords
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