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An implementation of the QUEFTS (Quantitative Evaluation of the Native Fertility of Tropical Soils) model. The model (1) estimates native nutrient (N, P, K) supply of soils from a few soil chemical properties; and (2) computes crop yield given that supply, crop parameters, fertilizer application, and crop attainable yield. See Janssen et al. (1990) <doi:10.1016/0016-7061(90)90021-Z> for the technical details and Sattari et al. (2014) <doi:10.1016/j.fcr.2013.12.005> for a recent evaluation and improvements.
| Version: | 1.2-4 |
| Imports: | meteor, methods, Rcpp (≥ 0.12.4) |
| LinkingTo: | Rcpp |
| Suggests: | terra, limSolve |
| Published: | 2024-10-23 |
| DOI: | 10.32614/CRAN.package.Rquefts |
| Author: | Robert J. Hijmans [cre, aut], Pieter Pypers [ctb, aut], Joost Wolff [ctb] |
| Maintainer: | Robert J. Hijmans <r.hijmans at gmail.com> |
| BugReports: | https://github.com/cropmodels/Rquefts/issues |
| License: | GPL (≥ 3) |
| URL: | https://CRAN.R-project.org/package=Rquefts |
| NeedsCompilation: | yes |
| Materials: | NEWS |
| In views: | Agriculture |
| CRAN checks: | Rquefts results |
| Reference manual: | Rquefts.pdf |
| Package source: | Rquefts_1.2-4.tar.gz |
| Windows binaries: | r-devel: Rquefts_1.2-4.zip, r-release: Rquefts_1.2-4.zip, r-oldrel: Rquefts_1.2-4.zip |
| macOS binaries: | r-release (arm64): Rquefts_1.2-4.tgz, r-oldrel (arm64): Rquefts_1.2-4.tgz, r-release (x86_64): Rquefts_1.2-4.tgz, r-oldrel (x86_64): Rquefts_1.2-4.tgz |
| Old sources: | Rquefts archive |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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