Increasing Growth and Production of Pagoda Mustard (Brassica narinosa) by Giving Coconut Shell Biochar and Jakaba LOF
Mela Anggraini*, Hilwa Walida, Kamsia Dorliana Sitanggang, Badrul Ainy Dalimunthe
Abstract
Pagoda mustard greens (Brassica narinosa) are mustard greens characterized by their unique leaf shape, which resembles a pagoda with a crunchy texture and a slightly sweet flavor. This study aims to evaluate the effectiveness of combining coconut shell biochar and Jakaba in enhancing soil fertility, nutrient availability, and the growth and yield of pagoda mustard greens. This study used a factorial randomized block design (RBD). The first factor is the addition of Biochar planting media with 4 levels, namely: 0 g/polybag (Control), 100 g/polybag, 250 g/polybag, 500 g/polybag. The second factor is LOF Jakaba with 4 levels, namely: 0 ml/polybag, 50 ml/polybag, 100 ml/polybag, 200 ml/polybag. and used Duncan’s Multiple Range Test (DMRT) analysis. The results showed that the provision of coconut shell biochar and Jakaba significantly affected plant height, fresh weight, and dry root weight of pagoda mustard greens, with the P3A3 treatment showing the best results. In contrast, the number of leaves did not show any significant difference between treatments, which was likely influenced by other factors such as environmental conditions and plant genetics. Using biochar and Jakaba can increase plant growth and development by improving nutrient availability, soil aeration, and the activity of microorganisms that support nutrient absorption.
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