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| Study on agricultural land classification in Miyun County |
| Du Lijuan,Wang Xiuru,Cheng Jinhua,Sun Wenxuan,Wu Sainan |
| College of Soil and Water Conservation,Beijing Forestry University,100083,Beijing,China |
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Abstract Based on the analyzing natural,social and economical condition of Miyun County, the procedure and methods by using factor method to classify the agricultural land were discussed.The results of classification of agricultural land in Miyun County were analyzed and checked.Results indicated that: 1) The results of classification by used factor method are in according with the fact;2) The classification grade of agricultural land in Miyun County is low in whole.The total grades are from 3rd to 16th.The main grades are from 4th to 7th which are account for 80.93 percents.3) The agricultural land classification grades show different in region,which are higher in upstream,downstream and closed area of Miyun reservoir and lower in other area.4) The agricultural land classification grades show different in index zone,which are higher in Beijing plain index zone and lower in north mountain index zone.In the end,it was put forward that identify index zone according to administrate boundary in large scale is not so suitable in agricultural land classification in county scale.To use the factual topographical boundary of classification unit to identify the index zone was suggested.
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Received: 11 December 2006
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