Transport and fixation of phosphate in acid, homogeneous soils II. Computer simulation

P. De Willigen, P.A.C. Raats, R.G. Gerritse
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引用次数: 12

Abstract

Results of computer simulation concerning transport, nonlinear adsorption, and fixation of orthophosphate in soil, based on a physico-mathematical model discussed in Part I, are presented. The consequences of application of excessive amounts of phosphate and the influence on long-term effects of fixation rate, adsorption isotherm, time of application, and equilibrium concentration were investigated. The fixation rate was found to have the greatest influence on depth of penetration. In the limiting case of very high fixation rates it was shown that the analytical solutions derived in Part I can be used to predict rate of penetration.

磷酸盐在酸性均匀土壤中的迁移和固定2。计算机模拟
本文基于第一部分讨论的物理数学模型,给出了土壤中正磷酸盐的迁移、非线性吸附和固定的计算机模拟结果。研究了施用过量磷肥对固定速率、吸附等温线、施用时间和平衡浓度的长期影响。固着率对刺入深度影响最大。在非常高的固定率的极限情况下,表明在第一部分中导出的解析解可以用来预测渗透率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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