Effect of Dose Biochar Bamboo, Compost, and Phonska on Growth of Maize (Zea mays L.) in Dryland

The porpuse of this study was to determinbe the effect of treatment of various doses of biochar bamboo, compost, and phonska on hybrid corn plant growth bisi 2 super in dryland. The design used in this study is a randomized block design (RAK) with pattern of nested experiments. Factors treatment consist of 3 types of materials to improve soil quality, that biochar bamboo, organic compost fertilizer and inorganic fertilizer dose phonska with 4 levels and a control for comparison. The results showed that the treatment of the type of fertilizer had no significant effect on all of the variable observed. While the dose of biochar bamboo gives highly significant effect on plan height, number of leaves, and toytal leaf area pere plant. The highest result of variable plant height, number of leaves and total leaf area per plant corn obtained at treatment dose of 5 – 10 tons/ha biochar bamboo, 10 – 20 tons/ha of compost and 300 kg/ha phonska. From the results of the regressionanalysis obtain optimum dos of biochar bamboo 10.93 tons/ha with maximum plant height of 244.1 cm, the optimum dose of compost19.54 tonnes/ha with maximum plant height of 247.89 cm and the optimum dose of phonska 308.11 kg/ha with a plant height of 246.32 cm.