The Study of Problems, Cost and Benefit of Cassava Production Using the Large-scale Collaborative Farming Project in Doem Bang Nang Buat District, Suphanburi Province

Abstract

The objective of this research is to analyze the costs and benefits of growing cassava and the problems in growing cassava by farmers in the large-scale collaborative farming project in Doem Bang Nang Buat District, Suphanburi Province. Data were collected from a sample of 30 persons through purposive sampling using a structured interview form to collect data for the 2022 production season. The data were analyzed using descriptive statistics. In addition, the cost and benefit structure was also analyzed according to economic principles. The results of the study showed that cassava farmers had a net profit of 2,814.18 baht per rai and a profit above the average cash cost of 3,755.59 Baht per rai. The average total cost of growing cassava was 6,416.05 Baht per rai. The largest fixed cost was land rental, accounting for 556.07 Baht per rai. Significant variable costs were chemical fertilizer, accounting for 2,456.03 baht per rai, followed by the cost of plowing and planting, which was 700.00 Baht per rai, and plowing cost, calculated as 600.00 Baht per rai. The return on investment (ROI) ratio was 43.86 percent, and the net profit margin (NPM) was 30.49 percent. In assessing the average level of problems in growing cassava, it was at a high level (=3.52), Important issues were the outbreak of cassava mosaic disease (=3.67), economic and social problems (=3.65), promotion/support problems (=3.62), and production problems (=3.50).