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INFLUENCE DEFICIT IRRIGATION AT TECHNIQUE OF SURFACE AND SUBSURFACE DRIP ACCORDING PRD ON: 1 - SOME WATER STANDARDS FOR POTATO CROP (TYPE DEZRY) | ||
| Anbar Journal of Agricultural Sciences | ||
| Article 4, Volume 17, Issue 2, 2019, Pages 165-180 PDF (1.76 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.32649/aagrs.2022.170549 | ||
| Authors | ||
| A.I. Al-Abaied; E. K. Al-Hadethi; J. S. Al-Esawi | ||
| Abstract | ||
| A field experiment was applied on clay loamy soil which was classified as typic torrifluvents to study effect of deficit irrigation at technique of surface and subsurface drip irrigation with partial root zone dry (PRD) on irrigation and water use efficiency and determination of Water consumption, As well as to know the heterogeneity of soil moisture content at growth stages. The experiment is designed according to the randomized complete block design, the experiment included 16 treatment, each treatment represented a block, each block included three replicates, program of used statistical analysis. the stages of crop growth were divided into four stages. the study showed that the best water use efficiency was in PRD reaching 2.50 kg m-3,while in surface drip irrigation treatments the comparison was 2.10kg m-3, the highest irrigation efficiency in PRD was also at 94 %, while the lowest value in surface drip irrigation was 89%, it was also found that the highest value of the mean weight diameter was in the PRD treatments at 4.07 mm, while surface drip irrigation was 3.72 mm. The lowest water consumption in the PRD method was 300 mm, while the surface drip irrigation was 400mm ,for treatment that have not been subjected to any moisture stress at all stages of growth in both manners. | ||
| Keywords | ||
| Deficit Irrigation; Irrigation Surface; Surface Drip; Potato | ||
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