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Molecules 2012, 17(11), 12587-12602; doi:10.3390/molecules171112587

Effects of a Novel Poly (AA-co-AAm)/AlZnFe2O4/potassium Humate Superabsorbent Hydrogel Nanocomposite on Water Retention of Sandy Loam Soil and Wheat Seedling Growth

1
Department of Physics, University of Agriculture, Faisalabad 38040, Pakistan
2
Department of Physics, University of Karachi, Karachi 75270, Pakistan
3
Department of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
4
Department of Chemistry and Biochemistry, University of Agriculture Faisalabad-38040, Pakistan
5
Institute of Advanced Technology, Universiti Putra Malaysia, Serdang-43400, Selangor, Malaysia
*
Authors to whom correspondence should be addressed.
Received: 3 September 2012 / Revised: 6 October 2012 / Accepted: 15 October 2012 / Published: 25 October 2012
(This article belongs to the Section Organic Synthesis)
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Abstract

A novel poly(acrylic acid-co-acrylamide)AlZnFe2O4/potassium humate superabsorbent hydrogel nanocomposite (PHNC) was synthesized and its physical properties characterized using SEM, Energy Dispersive X-ray (EDX) and FTIR spectroscopic techniques. Air dried sandy loam soil was amended with 0.1 to 0.4 w/w% of PHNC to evaluate its soil moisture retention attributes. Effect of PHNC amendment on pH, electrical conductivity (EC), porosity, bulk density and hydraulic conductivity of sandy loam soil was also studied. The soil amendment with 0.1 to 0.4 w/w% of PHNC remarkably enhanced the moisture retention at field capacity as compared to the un-amended soils. Seed germination and seedling growth of wheat (Triticum aestivum L.) was considerably increased and a delay by 6–9 days in wilting of seedlings was observed in the soil amended with PHNC, resulting in improved wheat plant establishment and growth. View Full-Text
Keywords: poly (AA-co-AAm)AlZnFe2O4/K-H; superabsorbent hydrogel nanocomposite characterization; SEM; EDX; FTIR; soil amendment; seedling growth poly (AA-co-AAm)AlZnFe2O4/K-H; superabsorbent hydrogel nanocomposite characterization; SEM; EDX; FTIR; soil amendment; seedling growth
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Shahid, S.A.; Qidwai, A.A.; Anwar, F.; Ullah, I.; Rashid, U. Effects of a Novel Poly (AA-co-AAm)/AlZnFe2O4/potassium Humate Superabsorbent Hydrogel Nanocomposite on Water Retention of Sandy Loam Soil and Wheat Seedling Growth. Molecules 2012, 17, 12587-12602.

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