湖北省补充耕地按等级折算系数.研究

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1、AbstractarablelandinHubeiprovinceiscalculated．Then，byusingthemodelofpaddyfieldanddryfield，thegradationconvertingcoefficientofaddingarablelandinclassifiedlandisalsocalculated．Intheend，convertingcoefficienttableofaddingarablelandisworkedout．4．Byanalyzingthechangestheconverti

2、ngcoefficientofaddingarablelandinHubeiprovince，whenthegradationofoccupiedarablelandisstable(between2to21)，theconvertingcoefficientisincreasingbygradationincreasebetweenoccupiedarablelandandaddingarableland．Whenthedifferentofgradationbetweenoccupiedarablelandandaddingarable

3、landisstable(between1to4)，theconvertingcoefficientisincreasingbygradationdecreaseofoccupiedarablelandwithagraduallyincreaserange．5．Byanalyzingthechangestheconvertingcoefficientofaddingarableland(paddyfield)inHubeiprovince，whenthegradationofpaddyfieldwhichiswithintheoccupie

4、darablelandisstable(between3tO21)，theconvertingcoefficientisincreasingbygradationincreasebetweenoccupiedarablelandandaddingarableland．Whenthedifferentofgradationbetweenoccupiedarablelandandaddingarablelandisstable(between1to4)，theconvertingcoefficientisincreasingbygradatio

5、ndecreaseofoccupiedarablelandwithagraduallyincreaserange．Byanalyzingthechangestheconvertingcoefficientofaddingarableland(dryfield)inHubeiprovince，whenthegradationofpaddyfieldwhichiswithintheoccupiedarablelandisstable(between2to21)，theconvertingcoefficientisincreasingbygrad

6、ationincreasebetweenoccupiedarablelandandaddingarableland．Whenthedifferentofgradationbetweenoccupiedarablelandandaddingarablelandisstable(between1to4)，theconvertingcoefficientisincreasingbygradationdecreaseofoccupiedarablelandwithagraduallyincreaserange．Whenthedifferentofg

7、radationbetweenoccupiedarablelandandaddingarablelandisstable，therangeofconvertingcoefficientchangeindryfieldisgreaterthantherangeofpaddingfields’．TrythebesttOrenewthesametypeofarablelandintheoccupyandaddingbalanceispropitioustoensuretheproductionofarableland．Keywords：added

8、arableland，quantityandquality，gradeconversionIV华中农业人学2008届硕士学位论文：湖北省补充耕地按等级折算系数研究图2—1图3．1