Application of Planting Media Composition and Liquid Organic Mushroom Fertilizer Concentration Eternal Luck (JAKABA) on the Growth and Yield of Purple Eggplant (Solanum melongena L.)
Abstract
The quality of the growing medium and nutrient availability influence eggplant growth and production. This study
aimed to determine the effects of different growing media combined with varying concentrations of liquid organic
fertilizer on the growth and yield of eggplant (Solanum melongena L.). A completely randomized design (CRD)
with two factors was used: planting media (soil; soil and rice husk charcoal 1:1; soil and goat manure 1:1; soil,
rice husk charcoal, and goat manure 1:1:1) and Jakaba POC concentration (15, 30, 45, and 60 ml/L). The results
showed a significant interaction between the planting media and Jakaba POC on plant height, number of leaves at
28–35 days after planting (DAP), and the number of fruits per plant. The best treatment was the combination of
soil, rice husk charcoal, and goat manure (1:1:1) with 60 ml/L Jakaba POC. The planting medium significantly
affected plant height and leaf number at 21, 42, and 49 DAP, as well as fruit weight per plant, while Jakaba POC
influenced leaf number at 21, 42, and 49 DAP and fruit weight per plant. The combination of organic planting
media with Jakaba POC enhanced eggplant growth and yield, particularly plant height, leaf number, and fruit
number. Based on these results, the combination of soil, rice husk charcoal, and goat manure with 60 ml/L Jakaba
POC is recommended as an optimal treatment to improve eggplant growth and production by utilizing organic
materials that enhance soil physical, chemical, and biological properties.
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