本文關(guān)鍵詞： GIS 雜糧 決策系統(tǒng) 施肥模型 專家知識(shí)庫　出處：《山東農(nóng)業(yè)大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：近年來,雜糧產(chǎn)業(yè)發(fā)展在糧食安全、改善居民食物結(jié)構(gòu)、農(nóng)民增收、緩解農(nóng)村貧困以及提高農(nóng)用土地利用率等方面發(fā)揮了重要作用。雖然雜糧的需求量一直在增長(zhǎng),但是雜糧的產(chǎn)量一直不高。究其原因是農(nóng)民缺少科學(xué)有效的種植指導(dǎo),主要表現(xiàn)在不合理的施肥及耕作方式上;再就是農(nóng)民只能通過電視或廣播獲取雜糧種植指導(dǎo)信息,信息不通暢。數(shù)據(jù)管理方面,雜糧的產(chǎn)量數(shù)據(jù)、品種信息等相關(guān)數(shù)據(jù)沒有系統(tǒng)的管理,即使有管理也是簡(jiǎn)單記錄,因此,對(duì)雜糧龐大數(shù)據(jù)量的系統(tǒng)管理并進(jìn)行數(shù)據(jù)的提取應(yīng)用是非常有必要的。本課題開展了基于GIS技術(shù)雜糧種植區(qū)土壤養(yǎng)分含量數(shù)據(jù)庫建設(shè)、雜糧施肥建模、雜糧施肥專家知識(shí)庫構(gòu)建、雜糧施肥決策支持系統(tǒng)的開發(fā)、其他系統(tǒng)功能應(yīng)用等方面的研究。本課題完成的工作及系統(tǒng)功能實(shí)現(xiàn)包括以下方面:1設(shè)計(jì)了基于WebGIS的山東省雜糧種植施肥查詢決策系統(tǒng)的框架體系,根據(jù)智能決策系統(tǒng)對(duì)框架結(jié)構(gòu)的要求,設(shè)計(jì)了系統(tǒng)框架、構(gòu)建數(shù)據(jù)庫模型、專家知識(shí)庫等。2設(shè)計(jì)確定基于GIS的數(shù)據(jù)庫存儲(chǔ)結(jié)構(gòu),根據(jù)GIS數(shù)據(jù)庫的存儲(chǔ)要求,建立了山東省雜糧種植施肥基礎(chǔ)地理環(huán)境數(shù)據(jù)庫等。3制定科學(xué)合理的施肥模型,通過施肥實(shí)驗(yàn)的方法確定了施肥模型系數(shù)。4建立雜糧施肥專家知識(shí)庫,通過對(duì)專家經(jīng)驗(yàn)知識(shí)的抽象化處理,建立適用于存儲(chǔ)和調(diào)用的數(shù)據(jù)庫。5建立施肥模型數(shù)據(jù)庫、專家知識(shí)庫及GIS數(shù)據(jù)庫之間的耦合關(guān)系,得到雜糧空間施肥模型�；趍apobject平臺(tái),建立雜糧種植施肥決策系統(tǒng)。
[Abstract]:In recent years, the miscellaneous grain industry has developed in the field of food security, improving the food structure of the residents and increasing the income of farmers. The alleviation of rural poverty and the improvement of agricultural land use have played an important role, although the demand for miscellaneous food has been increasing. However, the yield of miscellaneous grain is not high all the time. The reason is that farmers lack scientific and effective planting guidance, which is mainly reflected in unreasonable fertilization and farming methods. Farmers can only get guidance information through television or radio, the information is not smooth. Data management, miscellaneous grain production data, variety information and other related data are not systematically managed. Even management is a simple record, so. It is very necessary to manage the huge amount of data and to extract the data. This paper builds the database of soil nutrient content based on GIS technology and establishes the modeling of fertilizer. The construction of expert knowledge base of miscellaneous grain fertilization and the development of decision support system for miscellaneous grain fertilization. Research on the application of other system functions. The work accomplished in this paper and the realization of the system function include the following aspects:. The main contents are as follows: 1. The frame system of query decision system of planting and fertilizing for miscellaneous grain in Shandong province based on WebGIS is designed. According to the requirements of the intelligent decision system for the frame structure, the system framework is designed, the database model, expert knowledge base and so on are designed to determine the database storage structure based on GIS. According to the storage requirements of GIS database, a scientific and reasonable fertilization model was established in Shandong Province. 3. The fertilization model coefficient was determined by fertilization experiment. 4. The expert knowledge base of miscellaneous grain fertilization was established, and the expert experience knowledge was abstracted. The database 5. 5 which is suitable for storage and call, is established to establish the coupling relationship between fertilization model database, expert knowledge base and GIS database. The spatial fertilization model of miscellaneous grain was obtained, and the decision system of planting and fertilization of miscellaneous grain was established based on mapobject platform.
【學(xué)位授予單位】：山東農(nóng)業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：S147;TP311.52

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