灌溉排水学报2012，Vol.31Issue(3)：59-62,67,5.
陕西杨凌土壤粒径分布体积分形维数特征分析及预测
Analysis and Forecast of Volume Fractal Dimension of Soil Particle-size Distribution in Yangling of Shaanxi
摘要
Abstract
Based on soil particle volume distribution,the paper studied relationship between volume fractal dimension of soil particle-size distribution and soil physical properties,and established its estimation function.The results showed that average values of volume fractal dimension of soil particle-size distribution in 0~20 cm and 20~40 cm soil layers were respectively 2.649 1 and 2.626 2 in Yangling;correlation between volume fractal dimension of soil particle-size distribution in 0~20 cm and 20~40 cm soil layers and clay content was most significant,and correlation between them and sand content took second place;relative error of forecasted volume fractal dimension of soil particle-size distribution in 0~20 cm soil layers was between-0.298% and 0.726%,the one in 0~20 cm soil layers was from-0.179% to 0.772%,which illustrated that forecasting precision of established model was very high.关键词
土壤粒径分布体积分形维数/相互关系/预测Key words
volume fractal dimension of soil particle-size distribution/relationship/forecast分类
农业科技引用本文复制引用
刘继龙,马孝义,付强,张振华..陕西杨凌土壤粒径分布体积分形维数特征分析及预测[J].灌溉排水学报,2012,31(3):59-62,67,5.基金项目
黑龙江省教育厅科学技术研究项目 （）
国家自然科学基金项目（50879072 （）
50609022） （）
西北农林科技大学人才专项资金项目 （）
