{"title":"Transport and fixation of phosphate in acid, homogeneous soils II. Computer simulation","authors":"P. De Willigen, P.A.C. Raats, R.G. Gerritse","doi":"10.1016/0304-1131(82)90005-4","DOIUrl":null,"url":null,"abstract":"<div><p>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.</p></div>","PeriodicalId":100064,"journal":{"name":"Agriculture and Environment","volume":"7 2","pages":"Pages 161-174"},"PeriodicalIF":0.0000,"publicationDate":"1982-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-1131(82)90005-4","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Agriculture and Environment","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0304113182900054","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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.
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