Applied Research in Water Engineering

Applied Research in Water Engineering

The Ability of Using Vermicompost and Super Absorbent Polymer under the Condition of Deficit Irrigation for Cultivating Maize in Khorramabad Region

Document Type : Original Article

Author
Mehri Saeidinia
Department of Water Engineering, Faculty of Agriculture, Lorestan University, Lorestan, Iran.
10.22034/arwe.2024.2023746.1014
Abstract
Due to the lack of sufficient precipitation in Iran, proper management of water resources is necessary, especially in the agricultural sector. For this purpose, in 2022, a research was conducted with the aim of investigating the effect of vermicompost and absorbent as soil conditioners in Khorram Abad region, in the research farm of Lorestan University, in a factorial manner with a randomized complete block design in three replications, the first factor being irrigation water treatment at 4 levels including 100, 80, 60 and 40 percent of the  water requirement and the second factor also includes different soil moisture modifiers, vermicompost (C) 6 tons per hectare, superabsorbent (S) 63 kg per hectare and the control treatment (I). The results of the research showed that the highest productivity, dry yield and plant height were related to the I1-C treatment, which were 126.71 tons per hectare, 46.27 tons per hectare and 2.35 meters, respectively, and the maximum amount of productivity (16.79 kg of fresh fodder per cubic meter of irrigation water) and biological productivity (5.9 kg of dry fodder per cubic meter of irrigation water) at the probability level of 5% was I2-C. In general, vermicompost increased the wet and dry yield, height and water productivity of corn. Superabsorbent also showed lower performance in full or less stress irrigation treatments, but with increasing stress, it had better results. Therefore, in Khorramabad region, the amount of 6 tons per hectare of vermicompost and 80% of the water requirement in the form of tip irrigation for fodder corn is recommended.
Keywords
Irrigation Water Management
Soil Moisture Modifiers
Super Absorbent
Vermicompost
Subjects
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Applied Research in Water Engineering
Volume 1, Issue 2
March 2024
Pages 81-91

  • Receive Date 25 February 2024
  • Revise Date 03 March 2024
  • Accept Date 12 March 2024