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首页> 外文会议>International Seminar and Congress of Indonesian Soil Science Society >A new approach of soil degradation assessment for biomass production in Subang District West Java Province
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A new approach of soil degradation assessment for biomass production in Subang District West Java Province

机译：亚阳区西爪哇省生物质生产土壤退化评价新方法

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Land resource potential is possessed by Subang regency as valuable capital for regional development. According to the Ministry of Environment, land management and land use overrated for agricultural production and forest production can be caused land degradation that can be lowered soil quality and soil functionality. Soil degradation parameters from Ministerial Regulation Number 07 the year 2006, were minimum standard criteria. Determination of soil degradation by using a score will generate errors was quite large, so it was necessary modified the methods and parameters of the land degradation assessment. The method used was descriptive survey method, sample location was determined by purposive sample using based work map. The observed data and laboratory test results are then analysed using a step-wise discriminant analysis method. The results of discriminant analysis obtained eight parameter of 16 parameters tested, respectively: soil depth (X1), soil permeability (X2), soil acidity or pH (X3), soil potential redox (X4), soil conservation method (X5), rainfall (X6), slope (X7) and C-organic (X8). The resulting discriminant equation D1 = -23.987 + 0.028 X1 + 0.049 X2 - 0.847 X3+ 0.038 X4 - 6,354X5 + 0,007 X6+ 0,033 X7 - 0,206 X8 (r = 0.99; R = 0.98).
机译：由于区域发展，亚阳丽晶所拥有土地资源潜力。据环境部，农业生产和森林产量高估的土地管理和土地利用可以降低土地退化，可降低土壤质量和土壤功能。 2006年第07年部部长级规定的土壤退化参数是最低标准标准。使用分数测定土壤降解将产生误差相当大，因此需要修改土地退化评估的方法和参数。所用方法是描述性调查方法，采用基于工作地图的目的样品确定样品位置。然后使用步骤判别分析方法分析观察到的数据和实验室测试结果。判别分析结果分别获得了八个参数的16个参数，分别进行了1种参数：土壤深度（X1），土壤渗透率（X2），土壤酸度或pH（X3），土壤潜力氧化还原（X4），土壤保护方法（X5），降雨（X6），斜率（X7）和C-有机（X8）。得到的判别方程D1 = -23.987 + 0.028 x1 + 0.049 x2 - 0.847 x 3 + 0.038 x4 - 6,354x5 + 0,007 x6 + 0,033 x7 - 0,206 x8（r = 0.99; r = 0.98）。

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