Influence of calcium from different seashells on growth and yield of Khon Kaen 6 peanut cultivar

摘要: Application of all calcium sources increased biomass and crop growth rate of peanut. Significantly increasing in biomass was found in the crop threated with gypsum. The crop growth rate was significantly increased in the crop treated with gypsum, mussel and clams. Application of calcium sources was not significantly affected on yield and yield components of peanut. The possibility to used seashells as an alternative calcium source for peanut production.