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EFFECT OF USING SWRT TECHNOLOGY ON SOME PHYSICAL PROPERTES OF SOIL PLANTED WITH POTATO CROP UNDER DRIP IRRIGATION SYSTEM | ||
| Al-Qadisiyah Journal For Agriculture Sciences | ||
| Article 1, Volume 10, Issue 1, 2020, Pages 283-292 PDF (0 K) | ||
| DOI: 10.33794/qjas.2020.167077 | ||
| Authors | ||
| J. N.Abedalrahman; R. J.Mansor; D. R.Abass | ||
| College of Agriculture / University of Muthanna, Iraq | ||
| Abstract | ||
| field experiment was carried out in the field of College of Agriculture / University of Wasit, located on longitude 45o 50o33.5o East and latitude 32o 29o 49.8o North, in the spring agricultural season 2019. The experiment was designed according to Randomized Complete Block Design (RCBD) with three replication and four treatments that include each of the SWRT treatment (use of plastic films under plant root area in an engineering style) treatment of vegetal fertilizer (using Petmos), organic fertilizer (sheep manure), and control treatment. The bulk density values of soil profile for the season increased compared to their values before planting. It is noticed that the values of bulk density of soil increased with depth, ranging between 1.22 - 1.27 Mg m-3 for SWRT treatment and between 1.28 - 1.31 Mg m-3 for plant fertilizer treatment and between 1.22 - 1.32 Mg m-3 for animal manure treatment and between 1.29-1.34 Mg m-3 for control treatment. The values of saturated hydraulic conductivity of soil decreased with depth after the end of the season ranged between 0.41-0.47 cm / hour for SWRT treatment and between 0.21 -0.24 cm / hour for petmos treatment and between 0.14-0.2 cm / hour for animal manure treatment and between 0.17-0.2 cm / hour for control treatment. The rate of infiltration rate and accumulative infiltration decreased for all treatments after the end of potato growth season compared to their value before planting, and the SWRT treatment gave the highest values compared to the rest treatments. | ||
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