soil quality classification 中文意思是什麼
soil quality classification
解釋
土壤質量分類- soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
- quality : n 1 質，質量；性質，特質；品質，品位。2 優質，美質，優點。3 才能，能力，技能，素養。4 品種。5 身...
- classification : n 1 選別；分等，分級；分選。2 【動、植】分類（法）。 〈分類級別為： phylum 【動物；動物學】及 div...
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At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination
採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究，選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價，選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價，強調了生態條件及其環境污染狀況在農用地分等定級中的作用。 -
Soil quality - classification of the nutrient supply conditions of soil
土壤質量.土壤的營養供給條件的分類 -
The mam achievements of this research are shown as follows : 1. establishment of the indicators system of cropland evaluation in jianghan plain based on the cropland classification rule constituted by national land resources ministry of china, and combined with local fact of cropland, 25 indicators of cropland quality are choosed as the preelection indicators, including the geography, soil, regional location, fundamental facilities, transportation and resources etc. the delphi method and the princomponent analysis method are adopted to select indicators that can be adjusted to this area
取得了一些有意義的研究結果，主要有： 1江漢平原后湖農場農用地質量評價指標體系的建立依據國土資源部土地利用司頒布的《農用地分等定級規程》 ，結合該樣區的實際情況，選擇了包含地貌、土壤、區位、基礎設施、交通、資源豐缺度等在內的25個指標作為預選指標體系，採用特爾菲咨詢法和主成分分析法對預選指標體系進行篩選。
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