Fig. 2From: Development of hydrogel based on Carboxymethyl cellulose/poly(4-vinylpyridine) for controlled releasing of fertilizersFTIR charts of (a) CMC, (b) CMC/P4VP hydrogel and (c) CMC/P4VP hydrogel Urea loaded (d) CMC/P4VP hydrogel Calcium nitrate loadedBack to article page