<![CDATA[Cayenne pepper (Capsicum frutescens L.) is an important horticultural crop whose productivity is strongly influenced by soil fertility and nutrient availability. This study aimed to evaluate the effect of organic matter application on the growth and yield of cayenne pepper and to determine the most effective application rate. The experiment was conducted using a non-factorial Randomized Block Design (RBD) with one factor consisting of four organic matter rates: control (without organic matter), 25 g, 50 g, and 75 g per plant. Observed variables included plant height, number of fruits, fruit weight, and root length. Data were analyzed using analysis of variance (ANOVA) followed by the Honest Significant Difference (HSD) test at the 5% significance level. The results showed that organic matter application had no significant effect on plant height at 15 and 45 days after planting (DAP), but significantly affected plant height at 30 DAP. The 25 g treatment produced the highest plant height at 30 DAP (47.69 cm), the highest number of fruits (185.06 fruits per plant), and the highest fruit weight (159.19 g per plant). Meanwhile, the longest root length was obtained from the 50 g treatment (19.50 cm). In general, the application of organic matter improved plant growth and yield compared with the control treatment. Based on all observed parameters, the application rate of 25 g per plant was the most effective treatment, providing the best overall response in the growth and productivity of cayenne pepper]]>
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