Utilization Biochar of Bamboo and Compost in Improving Yield of Pakchoy Plant

Situmeang, Yohanes Parlindungan and Sudewa, Ketut Agung and Holo, Paulus Piro (2017) Utilization Biochar of Bamboo and Compost in Improving Yield of Pakchoy Plant. Journal of Biological and Chemical Research (JBCR), 34 (2). pp. 713-722. ISSN 2319-3077

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Abstract

This study aims to determine the effect of biochar and compost and their interaction on the growth and yield of pakchoy plants. This research uses randomized block design with a factorial pattern. Treatment consists of two factors, namely: the dosage of biochar and compost. The first factor was the dosage of biochar consisting of 4 levels, namely: without biochar, 5 t ha-1, 10 t ha-1, 15 t ha-1. The second factor is the dosage of compost, which consists of 4 levels: without compost, 10 t ha-1, 20 t ha-1, and 30 t ha-1. The results showed that the interaction between the dosage of biochar and compost had no significant effect on all observed variables. The compost application had a very significant effect on all observed variables, while the biochar application had no significant effect on all observed variables. Biochar applications at various dosage were not significantly different, but the dosage of biochar 10 t ha-1 tended to give the highest yield of fresh weight of 18.68 g which increased by 19.32% when compared with the lowest yield on treatment without the dosage biochar that is 15.66 g. The application of 20 t ha-1 compost gave the highest yield of fresh weight of 19.75 g which increased by 44% compared to the lowest value in the composted treatment which was 13.71 g.

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