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Evaluation Of Intensive Use For Chengdu Farmland

Posted on:2015-03-15Degree:MasterType:Thesis
Country:ChinaCandidate:T ZhouFull Text:PDF
GTID:2309330467961440Subject:Physical geography
Abstract/Summary:PDF Full Text Request
“A lot of people, land rarely” is the most basic characteristics of China’sresources, the contradictory relationship between people and land will always exist.Especially since the reform and opening up China’s economy has maintainedsustained and rapid growth, urbanization continues to accelerate, in the meantime,will inevitably be replaced by the construction of a large number of agricultural land,arable land continues to shrink, reducing the speed significantly faster, shortage ofland resources as a constraint to long-term social and economic development of China,a huge gap between food supply and demand, but also to our country’s food securityissues are worrisome.The main contents of this paper consist of two parts:1.a theoretical study ofcultivated land intensive use;2.empirical research intensive use of farmland. In thisarticle the author mainly uses literature review study of cultivated land intensive usetheory, based on the intensive use of arable land to make in-depth understanding of thetheory, the concept of intensive use of arable land, meaning its components make ascientific definition, and Research intensive use of arable land on the basis of relevanttheories, building index system for the evaluation of the intensive use of farmland;paper intensive use of empirical research of farmland in Chengdu2003-2012annualchange of arable land for the study, selected in line with regional characteristics inChengdu evaluation index, the use of multi-objective comprehensive evaluationmodel, derived intensive use of arable land in Chengdu year2003-2012, on the basisof the analysis to make a reasonable evaluation results on the intensive use of arableland in Chengdu made a reasonable countermeasures and suggestions. The city isdivided according to the different time periods for the four intensive use level, thehigher the level, the higher the level of intensive use of arable land, grade Ⅰintensiveuse,2008-2012, the period of use of arable land belongs to low-input, low-outputmode; class ⅱintensive use, the use of arable land within that time period belonged tothe middle input, low output modes; Ⅲ grade intensive use,2003and2005, duringwhich time the use of arable land belongs to high input and low output modes; Ⅳgradeintensive use,2004,2006, the time period during which the use of arable land belongsto the high input, high output mode. Draw conclusions from the evaluation results,indicating Chengdu investment in the future to carry out intensive use of arable land, the need to increase investment in agricultural infrastructure, but also to increasefarmland fertilizer, agricultural machinery, agricultural labor, etc., at the same time,also Depending on the needs of regional characteristics, farmland planting structureadjustment, improve the efficiency of arable industry, thereby improving the utilizationof arable land intensive.
Keywords/Search Tags:Arable Land, Intensive Use, Indicator System, ChengDu
PDF Full Text Request
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