To cite package ‘Rquefts’ in publications use:

Hijmans R, Pypers P (2025). Rquefts: Quantitative Evaluation of the Native Fertility of Tropical Soils. R package version 1.2-6, https://github.com/cropmodels/rquefts.

Corresponding BibTeX entry:

  @Manual{,
    title = {Rquefts: Quantitative Evaluation of the Native Fertility
      of Tropical Soils},
    author = {Robert J. Hijmans and Pieter Pypers},
    year = {2025},
    note = {R package version 1.2-6},
    url = {https://github.com/cropmodels/rquefts},
  }