| A field experiment was conducted in Ramadi, Anbar province, western Iraq, in soil with a Silt Loam soil during the autumn season 2018, to study the role of compost, water stress and the surface and subsurface drip irrigation system. 50, 75 and 100% of the net irrigation depth. In the design of the splintered splinters, the transactions were divided according to the design of the complete random sections and by three replicates. Each sector was divided into two main parts, in which the compost was distributed. 1 - Without adding 2 - Addition of 10 tons’ e- 1. Each was divided into two secondary pieces. 2. Sub-surface irrigation Each secondary subdivision was divided into three sub-sub-sections as experimental units where irrigation levels 50, 75 and 100% of the net depth of the irrigation were distributed. Use the American Type A evaporation pond at the irrigation time. The results showed that the level of addition of 10 tons e-1 led to a significant increase in all indicators of the study number of air legs and paper area and the weight of the tuber and the number of tubers and the marketable and the total number of 2.38 stem plant -1, 72.75 dm 2, 124.2 g and 4.84 darn plant - 131.46 tons e-1 and 42.95 tons e-1 sequentially. The average number of air stems, paper area, weight of tuber, number of tubers, marketable value and total yield of potato plant at the irrigation level were significantly higher than 100% of the net depth of the broth, reaching 2.41 stem plant-1, 65.92 dm 2, 136.7 g, 4.89, Ton e-1 and 42.55 tons e-1 sequentially. The average number of air stems, paper area, weight of tuber, tubers, marketable, and total of subsurface irrigation was also higher than 2.34 stem plant -1,68.04 dm 2, 147.7 g, 4.79,32.39 tons e-1, and 42. 13 tons e-1 sequentially, genotype and seed priming in improving seedling performance to tolerate salt stress. |
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