Superabsorbent polymers (SAPs) have been widely used and are attracting increasing attention in agricultural field because they dramatically enhance water use efficiency. In this review, representative achievements in the design and modification of SAPs with specific functions are highlighted, as well as their applications in agriculture. Two key properties of SAPs, water absorption and retention behaviors, are discussed in detail. Moreover, the future developments of SAPs with remarkable comprehensive performances are also discussed.
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Chang et al. (2020) studied this question.
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