IMPACT OF PEDOLOGICAL DROUGHT AND IRRIGATION ON POTATO WATER CONSUMPTION AND YIELD IN THE CRISURILOR PLAIN CONDITIONS
Journal Title: Natural Resources and Sustainable Development - Year 2014, Vol 4, Issue 1
Abstract
The research was conducted at the Agricultural Research and Development Station Oradea in the condition of the preluvosoil. It is considered that exists pedological drought if the water reserve on irrigation depth (0-75 cm) decrease below easily available water content. If soil water reserve descends below the wilting point is considered that there is a period of strong pedological drought. Decadal determinations of soil moisture on 0-75cm depth show that in unirrigated potato crop, the water reserve decreased below the easily available water content, 78 days in 2013 and 91 days in 2014. To maintain the water reserve on 0-75 cm depth between the easily available water content and field capacity were used for the following irrigation rates: 2800 m3/ha in 2013 and 3700 m3/ha in 2014. In 2013 irrigation determined an yield gain of 18.500 kg/ha, very significant statistic. In 2014 irrigation determined an yield gain very significant statistically of 21060 kg / ha.
Authors and Affiliations
Eugen Jude, Radu Brejea, Manuel Gîtea, Nicolae Cenușă
Keywords
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