Abstract
Natural strategies for protecting the environment as well as plant, animal and human health is considered one of the main goals of developed countries. Recently, the use of absorbent polymers and hydrogel in agriculture has demonstrated several benefits for soil amendments, saving water content, reducing the consumption of soil nutrients, minimizing the negative impacts of dehydration and moisture stress in crops and controlling several phytopathogens. The seed-coating technology for establishing the crops is a recent common practice used for improving seed protection and enhancing plant growth. Coating materials include absorbent polymers and hydrogels based on growth regulators, pesticides, fertilizers and antagonist microorganisms. The current review has highlighted the importance of different types of superabsorbent polymers and hydrogels in an integrated strategy to protect seeds, plants and soil in a balanced manner to preserve the ecosystem.
Highlights
Introduction for Sustainable Plant Protection andRecently, due to the growing world population, there is a necessity for increasing crop production [1]
The results showed that the application of Viterra 2 Hydrogel either in the greenhouse growing media or the field had increased the establishment of turfgrass and bluegrass and their survival under drought conditions
The latter study proved the importance of using hydrogels based on some natural substances for seed-coating technology in order to reduce the use of chemical pesticides, which can have a negative impact on the environment, animal and human health
Summary
Superabsorbent polymers (SAPs) can be identified as absorbent polymers, absorbent gels, water gels or hydrogels [9]. They are synthetic macromolecular materials having a water-hyper accumulation capacity of up to 100% of their own weights through osmosis property [9]. SAPs are used mainly to improve soil properties, and they are composed generally of sugar-like hygroscopic materials, which transform into a transparent gel when added to water [9]
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