Suchada Boonlertnirun. (2006) Effects of chitosan on agronomic characters and some physiological responses of rice [Oryza sativa L.] cultivar Suphanburi 1 under drought condition /. Kasetsart University,:ม.ป.ท.Suchada Boonlertnirun. 2006. Effects of chitosan on agronomic characters and some physiological responses of rice [Oryza sativa L.] cultivar Suphanburi 1 under drought condition /. ม.ป.ท.:Kasetsart University,;Suchada Boonlertnirun. Effects of chitosan on agronomic characters and some physiological responses of rice [Oryza sativa L.] cultivar Suphanburi 1 under drought condition /. ม.ป.ท.:Kasetsart University, 2006. Print.