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| Study on basic farmland delineation based on comprehensivequality division of county cultivated land |
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| Abstract: |
| The quality of cultivated land reflects the level of regional agricultural production，and is also the
demarcating foundation of basic farmland protection zone. Taking the Ili River valley qapqal xibe autonomous county
as the study area，four indicators including land natural quality，cultivated land use condition，land space form and
ecological security pattern were selected，the exponential decay assignment，multi－factor comprehensive evaluation and
multi－factor index method were used to build the county farmland quality comprehensive evaluation index system，and
combined with quality evaluation grade of each indicator， the preliminary plan of basic farmland protection zone in the
county was determined. The results showed that the quality of cultivated land in the county was good and more than 50%
was better，44.99% of the cultivated land was demarcated as primary farmland protection zone. |
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