Combustion Ash From Tomato Stem and Leaf Pellets as a Fertilizer

Hiromi Ikeura, Kanami Sato, Tatsuya Miyashita and Takahiro Inakuma

Journal of Sustainable Development, 2014, vol. 7, issue 3, 78

Abstract: In this study, we aimed to the pelletizing and utilizing of tomato stems and leaves as an energy source, and analyzed inorganic compounds (N, P, K, Ca, Mg, Fe and Si) of the combustion ash of 20% tomato pellets, and wood pellets. Amount of N, P, K, Ca, Mg, Fe and Si of 20% tomato pellets were 0.06 g/kg, 5.06 g/kg, 42.92 g/kg, 37.66 g/kg, 5.08 g/kg, 0.15 g/kg and 2.22 kg/kg, respectively. The P, K, Ca and Mg contents of 20% tomato pellets was higher than combustion ash of wood pellets, 1.27 mg/kg, 28.57 mg/kg, 33.79 mg/kg and 4.42 mg/kg, respectively. Furthermore, N, Fe and Si contents of combustion ash of 20% tomato pellets was lower than combustion ash of wood pellets. Therefore, we suggested that combustion ash of tomato stems and leaves pellets could be utilized by mixed nitrogen fertilizer or soil of over-nitrogen.

Date: 2014
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