Package: Rquefts 1.2-6

Robert J. Hijmans

Rquefts: Quantitative Evaluation of the Native Fertility of Tropical Soils

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. There are also functions to compute optimal fertilizer application rates.

Authors:Robert J. Hijmans [cre, aut], Pieter Pypers [ctb, aut], Joost Wolff [ctb]

Rquefts_1.2-6.tar.gz
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manual.pdf |manual.html
DESCRIPTION |NEWS
card.svg |card.png
Rquefts/json (API)

# Install 'Rquefts' in R:
install.packages('Rquefts', repos = c('https://cropmodels.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/cropmodels/rquefts/issues

Uses libs:
  • c++– GNU Standard C++ Library v3

On CRAN:

Conda:

fertilizermodelcpp

3.18 score 3 stars 5 scripts 387 downloads 20 exports 2 dependencies

Last updated from:171321e4b3. Checks:13 OK. Indexed: yes.

TargetResultTimeFilesSyslog
linux-devel-arm64OK132
linux-devel-x86_64OK128
source / vignettesOK162
linux-release-arm64OK130
linux-release-x86_64OK130
macos-release-arm64OK80
macos-release-x86_64OK185
macos-oldrel-arm64OK80
macos-oldrel-x86_64OK258
windows-develOK105
windows-releaseOK98
windows-oldrelOK136
wasm-releaseOK145

Exports:batchbiom<-control<-crop<-fert<-fertAppfertilizersnutrientRatesnutSupply1nutSupply2optApppredictqueftsquefts_biomquefts_cropquefts_fertquefts_soilrevSupplyrunsoil<-

Dependencies:meteorRcpp

Readme and manuals

Help Manual

Help pageTopics
Quantitative Evaluation of the Native Fertility of Tropical SoilsRquefts-package Rquefts
Batch QUEFTS model predictionsbatch batch,Rcpp_QueftsModel-method
Optimal fertilizer applicationfertApp
Helper functions to go from fertilizers to nutrientsfertilizers nutrientRates
Soil nutrients supply for QUEFTS modelnutSupply1 nutSupply2
Compute the optimal fertilizer application for a crop and location.optApp
Spatial QUEFTS model predictionspredict predict,Rcpp_QueftsModel-method
QUEFTS modelbiom<- biom<-,Rcpp_QueftsModel,list-method crop<- crop<-,Rcpp_QueftsModel,list-method fert<- fert<-,Rcpp_QueftsModel,list-method quefts run run,Rcpp_QueftsModel-method soil<- soil<-,Rcpp_QueftsModel,list-method [,Rcpp_QueftsCrop,character,missing-method [,Rcpp_QueftsModel,character,character-method [,Rcpp_QueftsModel,character,missing-method [,Rcpp_QueftsSoil,character,missing-method [<-,Rcpp_QueftsCrop,character,missing-method [<-,Rcpp_QueftsModel,character,character-method [<-,Rcpp_QueftsModel,character,missing-method [<-,Rcpp_QueftsSoil,character,missing-method
biomass parametersquefts_biom
Crop parametersquefts_crop
fertilizer parametersquefts_fert
soil parametersquefts_soil
Estimate soil nutrients supplyrevSupply