ChillModels: Processing Chill and Heat Models for Temperate Fruit Trees

Calculates the chilling and heat accumulation for studies of the temperate fruit trees. The models in this package are: Utah (Richardson et al., 1974, ISSN:0018-5345), Positive Chill Units - PCU (Linsley-Noaks et al., 1995, ISSN:1017-0316), GDH-A - Growing Degree Hours by Anderson et al.(1986, ISSN:0567-7572), GDH-R - Growing Degree Hours by Richardson et al.(1975, ISSN:0018-5345), North Carolina (Shaltout e Unrath, 1983, ISSN:0003-1062), Landsberg Model (Landsberg, 1974, ISSN:0305-7364), Q10 Model (Bidabe, 1967, ISSN:0031-9368), Jones Model (Jones et al., 2013 <doi:10.1111/j.1438-8677.2012.00590.x>), Low-Chill Model (Gilreath and Buchanan, 1981, ISSN:0003-1062), Model for Cherry "Sweetheart" (Guak and Nielsen, 2013 <doi:10.1007/s13580-013-0140-9>), Model for apple "Gala" (Guak and Nielsen, 2013 <doi:10.1007/s13580-013-0140-9>), Taiwan Model (Lu et al., 2012 <doi:10.17660/ActaHortic.2012.962.35>), Dynamic Model (Fishman et al., 1987, ISSN:0022-5193) adapted from the function Dynamic_Model() of the 'chillR' package (Luedeling, 2018), Unified Model (Chuine et al., 2016 <doi:10.1111/gcb.13383>) and Heat Restriction model.

Version: 1.0.0
Depends: R (≥ 3.4.0)
Suggests: chillR, dplyr, lubridate, ggplot2
Published: 2019-03-07
Author: Rafael Henrique Pertille <> [aut, cre], Marcos Robson Sachet <> [aut, ctb], Idemir Citadin <> [aut, ctb], Marieli Teresinha Guerrezi <> [aut, ctb]
Maintainer: Rafael Henrique Pertille <henriquepertille at>
License: GPL-3
NeedsCompilation: no
CRAN checks: ChillModels results


Reference manual: ChillModels.pdf
Package source: ChillModels_1.0.0.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X binaries: r-release: ChillModels_1.0.0.tgz, r-oldrel: ChillModels_1.0.0.tgz


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