Abstract

• The use of controlledreleased fertilier hydrogel has become a ne trend to save fertilier consumption, and to reduce environmental pollution and safety application in agriculture. In agriculture, loss of nutrient elements is one of the large problems. o controlledrelease is a method used to slove this problem. This paper describes the phosphorus release behavior of controlledreleased fertilier CR hydrogels. The CR hydrogel as prepared by mixing chitosan solution, polyvinyl alcohol hydrogel and fertilier solution. The selling ratio, ater retention and fertilier release behavior of prepared CR hydrogel in ater and soil ere investigated. Therefore, the chemical nature as important that affected the degree of selling of the hydrogel. Cultivation of chilli and maie seed tested using the various amount of prepared CR hydrogel samples. The investigation of agronomical characters of the generation seeds ere described