本文選題：耕地調(diào)查　切入點：耕地質(zhì)量評價　出處：《廣西大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：近年來,農(nóng)業(yè)生產(chǎn)、農(nóng)產(chǎn)品質(zhì)量及食品安全、土地利用與規(guī)劃等問題不斷凸顯出來,而通過全面了解耕地土壤情況,推進農(nóng)業(yè)結(jié)構(gòu)調(diào)整,促進農(nóng)業(yè)可持續(xù)發(fā)展,加強耕地的保護、利用及管理,是解決問題的關(guān)鍵。本文通過對比研究農(nóng)業(yè)部門和國土資源部門耕地調(diào)查數(shù)據(jù)以及耕地等級差變化趨勢,來證實農(nóng)業(yè)部門與國土資源部門數(shù)據(jù)可以進行整合并綜合利用的可能性,對未來耕地土壤的改良與保護,耕地資源的高效利用以及合理規(guī)劃提供真實、可靠的依據(jù)。本論文選取廣西壯族自治區(qū)桂中地區(qū)M市的A鎮(zhèn)、B鎮(zhèn)、C鎮(zhèn)、D鎮(zhèn)作為研究對象。對比研究的重點主要是耕地及耕地質(zhì)量等級數(shù)據(jù)的對比分析。農(nóng)業(yè)部門耕地數(shù)據(jù)2005年開始調(diào)查,于2009年1月結(jié)束,耕地1893個圖斑,44819.32公頃,其中灌溉水田636個,望天田7個,旱地1227個,菜地23個。國土資源部門耕地數(shù)據(jù)2007年開始調(diào)查,于2009年12月結(jié)束,其中耕地18706個,50742.9公頃,其中水田4867個,旱地13839個。對比研究主要是以ARCGIS10.2和EXCEL軟件為平臺,對耕地數(shù)據(jù)的空間圖形及屬性進行對比分析,統(tǒng)計兩個部門耕地分類、質(zhì)量等級等方面的地塊個數(shù)及面積上的差異,以得到預(yù)期的對比分析結(jié)果。研究結(jié)果顯示,耕地地力等級與國家級自然質(zhì)量等別的對比中,等級差在一級以內(nèi)的占71%,兩級及兩級以內(nèi)的占96%;耕地地力等級與國家級土地利用等別對比,等級差在一級以內(nèi)的占74.3%,兩級及兩級以內(nèi)的占96.3%;耕地地力等級與國家級經(jīng)濟等別對比,等級差在一級以內(nèi)的占73.85%,兩級及兩級以內(nèi)的占97.15%;由此得出結(jié)論以上等級對比中耕地的相關(guān)等別基本一致。農(nóng)業(yè)部門與國土資源部門對耕地的調(diào)查側(cè)重點不同,地塊的圖斑數(shù)量及面積存在差異,但是在質(zhì)量等級差異對比中發(fā)現(xiàn),兩個部門對耕地等級的評價在趨勢上大體一致。結(jié)果顯示,將兩個部門的數(shù)據(jù)對比分析并整合加以利用,可以提高耕地土壤數(shù)據(jù)信息的現(xiàn)勢性和綜合利用效能,并為土地綜合管理業(yè)務(wù)的指導(dǎo)、規(guī)劃和管理等工作帶來了直觀、方便、快捷。
[Abstract]:In recent years, the problems of agricultural production, quality of agricultural products and food safety, land use and planning have become increasingly prominent. Through comprehensive understanding of the situation of cultivated land and soil, we can promote the adjustment of agricultural structure and promote sustainable development of agriculture. Strengthening the protection, utilization and management of cultivated land is the key to solve the problem. To confirm the possibility of integrating and synthesizing data between the agricultural sector and the land and resources sector, and to provide a true picture for the future improvement and protection of cultivated land soil, the efficient use of cultivated land resources and rational planning. Reliable basis. In this paper, the author chooses A town and B town in M city of Guangxi Zhuang Autonomous region as the research object. The comparative study is mainly focused on the comparative analysis of cultivated land and cultivated land quality grade data. The survey of cultivated land data began on 2005. In January 2009, there were 1 893 plots of cultivated land (44819.32 hectares), of which 636 were irrigated paddy fields, 7 were wangtian fields, 1227 were drylands and 23 were vegetable fields. The investigation of cultivated land data in land and resources departments began on 2007 and ended on December 2009. Of these, 18,706 have 50742.9 hectares of cultivated land, of which 4867 are paddy fields and 13839 are drylands. The comparative study is mainly based on the software ARCGIS10.2 and EXCEL to compare and analyze the spatial patterns and attributes of cultivated land data, and to calculate the classification of cultivated land in two departments. The difference in the number and area of plots in terms of quality grade and so on, in order to obtain the expected results of comparative analysis. The results of the study show that in other comparisons, such as cultivated land fertility grade and national natural quality, 71th of the grade difference is within the first grade, 96 of the two levels and two levels; the farmland land use grade and the national land use, etc. 74.3% of the grade difference is within the first grade, 96.3% of the two levels and less than two levels; the arable land fertility grade is compared with the national economy, etc. 73.85 percent of the grade difference is within the first grade, 97.15 percent of the two levels and two levels. From this, it is concluded that the correlation of cultivated land in the above grade comparison is basically the same. The agricultural sector and the land and resources departments have different emphasis on the investigation of cultivated land. There are differences in the number and area of plots, but in the comparison of quality grade, it is found that the evaluation of cultivated land grade in the two departments is basically the same trend. The results show that the data of the two departments are compared and analyzed and integrated to make use of them. It can improve the present situation and comprehensive utilization efficiency of cultivated land soil data, and bring intuition, convenience and speed to the guidance, planning and management of land comprehensive management.
【學(xué)位授予單位】：廣西大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：F323.211

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