6Li W W,Huang C C,Xie H X,et al.Study on the release property of nitrogen in sustained-release fertilizer with carrier of bentonite[C]//2013 Third International Conference on Intelligent System Design and Engineering Applications,2013.
7Tang H,Wang Y M,Zhang X C.Studies on the urea coated with tung oil as coating materialsⅠ.Study on the coating materials by FTIR and the coupling of DTA-TGA[J].Journal of Yunnan University,2004,26(2):150-153.
8Mulder W J,Gosselink R J A,Vingerhoeds M H,et al.Lignin based controlled release coatings[J].Industrial Crops and Products,2011,34(1):915-920.
9Jintakanon N,Opaprakasit P,Petchsuk A,et al.Controlled-release materials for fertilizer based on lactic acid polymers[J].Advanced Materials Research,2008(55/57):905-908.
10Mathews A S,Narine S.Poly[N-isopropyl acrylamide]-copolyurethane copolymers for controlled release of urea[J].Journal of Polymer Science Part A:Polymer Chemistry,2010,48(15):3236-3243.
