土壤肥力因子 meaning in Chinese
soil fertility factor
Examples
- The econometric results in this dissertation show that socio - economic and policy factors indeed have an important influence on soil fertility change . more specifically , the results show that tenure security may improve soil fertility such as organic matter
根据土壤肥力变化趋势和社会经济调查数据,我们首先对土壤肥力因子和可能影响土壤肥力变化的社会经济及政策变量进行了单因素分析。 - Every soil fertility factor was recorded both in the early 1980s and 2000 at the same sample plot . all socio - economic data were derived from interviews with the production team leaders in charge of the sample plots , and were also gathered in both periods . after describing the trends in changes in soil nutrients from the early 1980s to 2000 , the dissertation sets up an econometric model to measure the possible impact of socio - economic factors on soil fertility
本研究样本数据的特点之一是每个样本地块都有80年代初和2000年两个时期的4个土壤肥力因子的观测值,同时两个时期的土壤采样季节、技术以及实验分析方法等基本相似,这保证了土壤肥力数据具有完全的可比性。 - Using the methods of summation by giving a mark and main component analysis , the result indicates that the methods of main component analysis is identical better with reality than the methods of summation by giving a mark , the differentiation trend of types of site conditions of cornus officinalis chiefly receives the accuse in soil fertility factor and the general configuration of the earth ' s surface factor
结果表明:主分量分析法与打分求和法相比,以主分量分析法划分的类型与实际吻合更好;山茱萸立地条件类型的分化趋势主要受控于土壤肥力因子和地貌因子。