Tien, N.D.; Duyen, T.N.L.; Thuy, P.T.; Rañola Jr., R.F.; Thinh, N.A. Improving Irrigation Water Use Efficiency of Robusta Coffee (Coffea canephora) Production in Lam Dong Province, Vietnam. Preprints2019, 2019120124. https://doi.org/10.20944/preprints201912.0124.v1
APA Style
Tien, N.D., Duyen, T.N.L., Thuy, P.T., Rañola Jr., R.F., & Thinh, N.A. (2019). Improving Irrigation Water Use Efficiency of Robusta Coffee (<em>Coffea canephora</em>) Production in Lam Dong Province, Vietnam. Preprints. https://doi.org/10.20944/preprints201912.0124.v1
Chicago/Turabian Style
Tien, N.D., Roberto F. Rañola Jr. and Nguyen An Thinh. 2019 "Improving Irrigation Water Use Efficiency of Robusta Coffee (<em>Coffea canephora</em>) Production in Lam Dong Province, Vietnam" Preprints. https://doi.org/10.20944/preprints201912.0124.v1
Abstract
Recent prolonged dry periods and lack of irrigation water have severely affected the productivity of coffee farms’ in the Central Highlands of Vietnam. This paper analyzes the efficiency of irrigation water use for Robusta coffee (Coffea canephora) in Lam Dong province, Highlands, Vietnam. A Cobb-Douglas production function was used to determine coffee productivity’s response to the application of irrigation water and other production factors using data collected from 194 farmers while the Technical Efficiency (TE) and Irrigation Water Use Efficiency (IWUE) were analyzed using a Data Envelopment Analysis (DEA) model. The correlation of different factors to IWUE was determined using the Tobit model. The production function analysis using Cobb-Douglas shows that the volume of irrigation water, amount of working capital, labor and farm size significantly influence coffee productivity. It also shows that indigenous farmers are more efficient in utilizing irrigation water than the (mostly Kinh) migrant farmers. The Tobit result, on the other hand. indicates that farmers’ experience, education level, distance of farm to water source, security of access to water source, extension contact and credit access significantly affect IWUE. The study findings further suggest that mitigating water shortages in coffee farms require sub-regional and national policy support such as better access to credit and extension services, training, land management and household-level effort to improve farming practices, through the application of appropriate technologies and traditional knowledge.
Keywords
Data Envelopment Analysis; efficiency; irrigation water; Robusta coffee; Vietnam
Subject
Social Sciences, Decision Sciences
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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