Effectiveness of Biological Agents in Improving the Growth of Cayenne Pepper (Capsicum frustescens) in Alfisol Soil
Abstract
Tuban Regency is a major center for cayenne pepper production, but it is currently experiencing a decline in production due to the shrinking productive land area. As a result, farmers are opening new land in forest areas dominated by alkaline alfisol soil that lacks phosphorus elements. This study investigates the impact of biological agents Bacillus subtilis and CMA on the growth of cayenne pepper plants in alfisol soil. The study utilized a randomized block design with 8 treatments and 3 replications, resulting in a total of 24 beds: A0 (Control); A1 (SP-36); A2 (Bacillus subtilis); A3 (CMA); A4 (SP-36 + Bacillus subtilis); A5 (SP-36 + CMA); A6 (Bacillus subtilis + CMA); A7 (SP-36 + Bacillus subtilis + CMA). Plant growth measurements included dry weight, net assimilation rate, and crop growth rate (CGR). The research findings indicate that the combination of biological agents Bacillus subtilis and CMA in the A7 treatment (SP-36 + Bacillus subtilis + CMA) had the most significant impact on the growth of cayenne pepper plants across all parameters. This was confirmed by the results of the BNT test, which showed improvements in dry weight (23.253 grams), net assimilation rate (2.7950), and crop growth rate (9.790).
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References
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