A Study of Kale and Eggplant Growth Growing in Biochar-based Growing Media
Keywords:
kale, eggplant, biochar, growing mediaAbstract
The objective of this research was to study growth of kale and eggplant grown in biochar-based growing media produced from maize residue. The growing media under study consisted of soil, compost and biochar in the ratio of 1:1:0.5 by weight. From the study, it was found that the growth of kale and eggplant planted in biochar-based growing media produced from maize residue were significantly higher than those of plants grown in media without biochar-based growing media (P<0.05). This might be resulted from increasing chlorophyll content of kale from 34.93 mg/l to 70.24 and 72.48 mg/l at planting period of 50 and 55 days, respectively, an equivalent of more than 50% increase in chlorophyll content compared to control sample, resulted in a higher fresh weight and dry weight. Moreover, the addition of biochar might enhance the chemical properties of soil in term of increase in both pH value and macronutrient content. In addition, the electrical conductivity was lower corresponding to the increase in cation exchange capacity indicating that soil had better capability for nutrient retention and nutrient release.
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