Abstract
Ta Dung Nature park is an important ecological region, its buffer zone currently has coffee as the main crop. However, declines in coffee yields result in a relative reduction in spending power by households. This study aimed to assess land potential to proposal the land for coffee cultivation. Sustainable agriculture must nurture healthy ecosystems and support the sustainable management of land and natural resources. An approach based on integrated use of the Analytical Hierarchy ProcessGeographic Information Systems and Remote Sensing (AHP-GIS-RS) developed using 13 environmental sub-factors. Study result showed the land of development of current coffee cultivation have had an effect from the most important criteria is soil type (0.24), followed by land use cover unit (0.17) and irrigation system (0.15). Sub-factors (SF9: rock expose above soil; SF11 : flood status, SF1 2: irrigation system) have the largest “potential” land for coffee plants. Coffee plantation was recommended to orient in 6,82 % total of study area by the possibility of expanding cultivated area. A framework of potential model was provided for other industry crops in other study areas in Vietnam.
Highlights
Through the process since coffee seeds are imported into Vietnam
An approach based on the techniques mentioned above allowed the proper identification of areas with potential for coffee plants in buffer area of Ta Dung Nature park that aims to help the decision manager in making the proper plan
Instruction for agricultural production land evaluation of Vietnamese Standard TCVN 8409:2012 [21] was used as guide to obtain what kind of data collection for coffee evaluation land potentil, data on many dimensions such as F1: Temperature (SF1 : Average annual temperature; SF2 : Annual average minimum temperature; SF3 : Annual average maximum temperature); F2 : Total annual precipitation (SF4 : Total annual precipitation); F3 : Number of dry months per year (SF5 : Number of dry months per year); F4 : Soil characteristics (SF6 : Soil type; SF7 : Slope; SF8: Soil depth; SF9 : Rock exposed above soil; SF10 : Soil composition); F5: Flood status (SF11 : Flood status); F6 : Irrigation system (SF12: Irrigation system); F7 : Currently land unit (SF13 : Currently land unit)
Summary
Through the process since coffee seeds are imported into Vietnam. Up to now, development of coffee has not stopped growing. Ta Dung Nature park of Dak Nong province is an important ecological region, its buffer zone (Dak Som commune: 76.89 km2) currently has coffee as the main crop. Climate change will be a reason decrease the coffee production areas around the world [5]. Land evaluation for plants provides a means of assessing the potential are compared with data from basic surveys (soil, climate, vegetation). The integration of Analytical Hierarchy Process (AHP), Geographic Information Systems (GIS) and Remote Sensing (RS) has been applied in various studies access the land potential for industry crops [17-20]. An approach based on the techniques mentioned above allowed the proper identification of areas with potential for coffee plants in buffer area of Ta Dung Nature park that aims to help the decision manager in making the proper plan
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