AN ECONOMIC AND ENVIRONMENTAL STUDY FOR CITRUS PRODUCTION IN ASWAN GOVERNORATE | ||
| Journal of Environmental Science | ||
| Article 1, Volume 50, Issue 11, November 2021, Pages 543-582 PDF (1.19 M) | ||
| Document Type: Review Article | ||
| DOI: 10.21608/jes.2021.209027 | ||
| Authors | ||
| A. Moustafa Walaa1; A. Hashem Siham2; M. Ibrahim Ayman1 | ||
| 1Plant Protection Research Institute, Agriculture Research Center | ||
| 2Department of Environmental Agricultural Science, Faculty of Graduate Studies and Environmental Research, Ain Shams University | ||
| Abstract | ||
| This study aims to determine production costs functions which reflect the relationship between total costs and actual production, from which it is possible to derive the most important economic indicators that reflect the extent to which agricultural production units achieve economic efficiency in their use of productive resources participating in the production process, as well as the extent to which these are achieved. Units of profit maximization of the agricultural product. The production functions were estimated in the total category, and the marginal product and the average product were derived for each production element in the estimated total product function of the citrus crop for the total sample of the study. It was estimated at about 0.011, 0.124, 0.037 tons for those production elements, respectively, and the Value of the marginal Product (VMP) for those production elements was estimated at about 82.5, 930, 277.8 pounds, respectively, while the average wage of the human labor unit was about 10 pounds / hour / day The average price of an organic fertilizer unit is about 75 pounds/m3, and the average price of a phosphate fertilizer unit is 3.5 pounds/kg. It was also found that the Average Yield (A.Y.) of the citrus crop in relation to both human labor, organic fertilizer and nitrogen fertilizer was estimated at about 0.023, 0.33, 0.126 tons for those production elements, respectively. | ||
| Keywords | ||
| Key words: cost functions; production functions; economic efficiency; and optimum volume of production | ||
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