Feasibility Analysis of Seaweed, Gracilaria sp., Cultivation in Polyculture System In Ponds: A Case Study From Domas Village, Pontang Serang Banten, Indonesia

This research aims to analyze business feasibility of cultivation of seaweed, Gracilaria sp., and factors that affect farmers' income in Domas Village, Pontang District, Serang Banten Regency. This research was conducted from April 2021 to June 2021 in Domas Village, Pontang Subdistrict, Serang Regency, Banten and was conducted by survey method. Location determination was done by the census sampling method. Sampling was conducted for 35 seaweed farmers in Domas Village. The data analysis used was a business feasibility analysis that includes income analysis, R/C ratio, Payback period, Break event point, sensitivity analysis, and multiple linear regression analysis. The result of the business feasibility analysis obtained was the profit value of Gracilaria sp., cultivation in Domas Village, which was 115,168,232 / year, R / C of 1.32% means that the business was worth running, the payback period value was 1.51 years since the company was established. The product's BEP (kg) value in this study was 1,320 kg. Meaning that the break-even point will be reached if the cultivation produces Gracilaria sp. So that the business can be developed. As for the sensitivity, the value increases acceptable operating costs by 5%. In addition, the calculation of sensitivity to the decline in selling value is known to be a very sensitive variable because it’s 3% decrease will lower the of R / C value to less than 1. This indicates that variable selling prices are more sensitive to investment value than operating costs. Factors that affect the income of cultivators in Domas Village of Pontang Subdistrict are Modal (X1), Total Production (X2), Gracilaria sp. (X5), and Bandeng Fish Seedlings (X6) with a coefficient of determination of 91.8%.