Document Type : Original Article
Authors
1
Department of Soil and Water Sciences/College of Agriculture Al-Qasim Green University
2
Experienced Professor, College of Agriculture, Al-Qasim Green University and Medical Laboratory Techniques Department, College of Health and Medical Techniques, Al-Mustaqbal University, 51001, Babylon, Iraq.
Abstract
A field experiment was conducted in the private farms in Babylon province for the winter season of year(2024-2023),to study the role of bacterial inoculum(Azotobacter chroococcum bacteria loaded on peatmoss and the symbol for the treatments(without adding inoculum A0) and (adding bacterial inoculum A1) and adding humic acids at three levels(0,25,50kg ha-1)symbols(H0,H1,H2) in reducing salt stress and the types of water used are:(river water W0 with a salt concentration of 1.4dSm-1and mixing water W1 with a salt concentration of 3.6dSm-1W1and well water W2with a concentration of 7.0dSm-1) and wheat growth and yield.The factorial experiment was conducted according to Split-Split Plot arrangement and (RCBD) design with three replicates.The averages were compared according to the Least Significant Difference (LSD) test at the 0.05 level.The results were as follows:River water(W0)was significantly excelled and gave highest values for plant height 95.14 cm,flag leaf area 43.29cm2,spike length 12.39cm,grain yield 5.43ton.ha-1,biological yield 18.34ton.ha-1.Azotobacter bacteria(A1)treatment recorded the highest rate for the traits of plant height 74.08 cm,flag leaf area 33.34 cm2,spike length 9.12 cm,grain yield 5.02 tons.ha-1,biological yield 14.62tons.ha-1,harvest index 35.24%,while humic acids 50 kg.ha-1treatment excelled and gave the highest rate for the traits of plant height 73.32 cm,flag leaf area 32.92 cm2,spike length 9.48 cm,grain yield 5.10 tons.ha-1,biological yield 14.90 tons. ha-1,harvest index 35.42%.The triple interaction treatment W0A1H2 gave the highest rate for traits of plant height 104.26 cm,flag leaf area 47.55 cm2,spike length 16.27 cm,grain yield 6.20 tons.ha-1,biological yield 19.11 tons.ha-1,while the harvest index was the highest value in the triple interaction treatment W2A1H2, reaching 42.51%.
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