Assessment of Land Resources Potentials for Orientated Agriculture Land Use in Ham Thuan Bac district, Binh Thuan province.

Nguyen Huu Thanh 1 , Hoang Le Huong 2 , Ngo Thanh Son 1 , Luyen Huu Cu 1 , Nguyen Duc Hung 1 , Nguyen Tho Hoang 1 and Nguyen Van Thao 1

1Faculty of Land Management, Vietnam National University of Agriculture, Gia Lam, Hanoi 131000, Vietnam
2Consulting Center of Technological Sciences for Natural Resources and Environment, Vietnam National University of Agriculture, Gia Lam, Hanoi 131000, Vietnam
Received: Mar 26, 2020 /
Published: Dec 31, 2020

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Abstract

Land resources potential assessment is a valuable method for orienting land use planning in the world as well as in Vietnam.The objectives of the study are (1) to assess land suitability and (2) to orient the effective use of agricultural land in the study area. Results indicated that Ham Thuan Bac has 107 land mapping units (LMU), in which includes 11 land-use types (LUTs) such as rice, corn, cassava and sweet potato, sugarcane, grass for livestock, vegetables, green dragon fruit, rubber, coffee, and other fruit trees. Agricultural land with high suitability (S1) and moderately suitable (S2) for mostly LUTs is small, however, marginally suitable (S3) and not suitable land (N) are quite large. More than 50% of the LUTs for growing rice, rubber, coffee, other fruit are not suitable; the remaining LUTs have unsuitable land ranging from 10.76% to 25.16% of agricultural land in the district. Based on land suitability classification, we propose to keep 8550 ha with S1, S2, and a part of S3 area to be irrigated for cultivating rice; 9071.7ha of dragon fruit land including 694.67 ha of S1 and 8377.03 ha of S2 land; and only cultivate annual crops, fruit trees and grazing grass on the land with suitble levels from S1 to S3 of the current status.The remainingareas ofS3 and N for riceand areas of S2 and S3for green dragon fruit under S2, S3with active and semi-active irrigation regimeswill be converted to annual crops and fruit trees and grass for livestock.

Keywords: Agricultural land use, Land resources potentials, Land suitability, Ham Thuan Bac district

Article Details

How to Cite
Thanh, N., Huong, H., Son, N., Cu, L., Hung, N., Hoang, N., & Thao, N. (2020). Assessment of Land Resources Potentials for Orientated Agriculture Land Use in Ham Thuan Bac district, Binh Thuan province. Vietnam Journal of Agricultural Sciences, 3(4), 817-830. https://doi.org/10.31817/vjas.2020.3.4.05

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