A Comparative Cost and Return Analysis of Shallot Production Using Chemical and Bio-pesticides in Si Sa Ket Province, 2003/2004 Crop Year
อรวรรณ บุตรโส และ ศานิต เก้าเอี้ยน
This research were estimate cost function and supply function of shallot production by using chemical and biopesticides and compare return of shallot production by using chemical and bio-pesticides. The data used in this study were obtained from interviewing of 90 farmers who grow shallot in Si Sa Ket Province during 2003/2004 crop year. They were divided into two groups. Each group was composed of 45 farmers. The result of supply function of the shallot production among the farmers who used chemical and bio-pesticides showed that the farmers started shallot production when the minimum price reached 3.89 and 3.46 baht per kilogram respectively. The average total cost of shallot production and return per rai of the farmers who used chemical pesticides was 18,507.16 baht. The obtained product per rai was 2,153.06 kilograms and was sold at the rate of 7.42 baht per kilogram. So, the farmers incurred a loss of 2,526.55 baht. Thse average total cost of shallot production and return per rai of the farmers who used bio-pesticides was 17,176.54 baht. The obtained product per rai was 2,409.22 kilograms and was sold at the rate of 6.95 baht per kilogram. Thus, the farmers incurred a loss of 434.71 baht. The loss of the two groups was due to poor farm management. In other word, they used too much family labor which increased the implicit cost. However, if only the return over cash cost was considered, both groups would obtain the return over cash cost of 7,565.50 and 4,413.16 baht respectively.
Keywords: Cost and Return, Shallot, Si Ka Ket
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