Effect of Different Forms of Super Absorbent Polymers on Soil Physical & Chemical Properties in Orchard field

S.H. Dahri¹ , M.A. Mangrio² , I.A. Shaikh³ , S.A. Dahri⁴ , F.V. Steenbergen⁵

Section:Research Paper, Product Type: Journal-Paper
Vol.6 , Issue.2 , pp.12-20, Dec-2019

Online published on Dec 31, 2019

Copyright © S.H. Dahri, M.A. Mangrio, I.A. Shaikh, S.A. Dahri, F.V. Steenbergen . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
This research aimed to evaluate the effect of different forms of Super Absorbent Polymers (SAP) on soil physical and chemical properties under orchard field condition. Total area under the experiment was divided into twelve plant pits of size 0.46 m × 0.46 m having the depth of 0.60 m, with three replications and four treatments. The treatments were Control, Polymer Water pad, super absorbent polymers (SAP) in Powder form and super absorbent polymers (SAP) in Crystal form. The size of plant pit was set according to the size of polymer water pad. A plastic polythene sheet at a depth of 0.6 meters was given from all the four sides of pits, to prevent the seepage. Water absorbent polymers in powder as well as in crystal forms were mixed with the soil of pit at the rate of 3g/kg of soil. Lemon plants of one year old were transplanted in pits. The samples of soil were taken for physical and chemical properties, before and after applying the treatments. The results reveal that soil bulk density under SAP (Powder) and SAP (Crystal) treatment was reduced thereby soil porosity increased under both treatments while it was unchanged under control and water pad treatments. The field capacity of soil under both treatments was increased as compared to control and water pad treatment. The pH of soil under all treatments was decreased. EC of soil under water pad and SAP (Powder) was increased while there was a minimum increase in EC of soil under Control and SAP (Crystal) treatment. Under water pad and SAP (Powder) treatments, cations (K & Na) and minerals (Ca + Mg) were accumulated. The SAR and ESP of soil under all SAP treatments were increased as compared with control

Key-Words / Index Term :
Super absorbent polymers, Water saving, Increasing irrigation interval, Increasing crop yield, Increasing soil fertility

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