Taking land available for cultivation and mining land available for reclamation in Hangjin Banner of Inner Mongolia Autonomous Region,using land use database of 2012 as evaluation base,it made evaluation of arability of 677 021. 40 hm2 reserve land resources by the restrictive factor evaluation method. Besides,it analyzed main restrictive factors of arable land reserve resources in Hangjin Banner. Results indicate that the total area arable land reserve resources is 52 200. 02 hm2,accounting for 7. 71% of total area evaluated. Irrigation condition and soil thickness are major factors restricting development of arable land reserve resources in the study area. It is expected to provide reference for development of arable land reserve resources and land consolidation project in Hangjin Banner.
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