Abstract

Abdillah A, Syamsiyah J, Riyanto D, Minardi S. 2011. The effect of zeolite and K fertilizer to availability and K uptake atseashore sandy land of Kulonprogo, Yogyakarta. Bonorowo Wetlands 1: 1-7. This experiment has been done in rice field land of Siliran V Hamlet, Karangsewu Village, Galur Subdistrict, Kulonprogo District, Yogyakarta. The study was started from April 2007 to August 2007, and the aim of this experiment was to know effect of K fertilizer dan zeolite application on sandy soil of south coastal, area of Kulonprogo. The research design was used Randomized Completely Block Design (RCBD); with 2 factor as main plots and sub-plot combination. Every treatment was repeated 3 times. Therefore they have 10 treatment combination. The result was shown that application of K fertilizer and zeolite were given significant effect to chemical and fertility soil properties. Which were soil pH, CEC, K total, K available nutrient and K uptake by plant. There is no significant effect on interaction of potassium and zeolite application. The increasing of K fertilizer was given high significant to K uptake when zeolite application was given. The significant effect also to the improving soil chemical properties. Whereas, increasing of K fertilizer and zeolite application were not given significant effect to the dry matter yield (biomass).

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