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. 2020 May 25;2020:4261965. doi: 10.34133/2020/4261965

Table 1.

Variables in the proposed models.

Variable Cont-SDSSM Disc-SDSSM 2L-SDSSM
x t Sugar content Sugar content Sugar content
y t Stem diameter Stem diameter Stem diameter
u t Temperature, solar radiation, VPD, elapsed date1, accumulated temperature2 Elapsed date1, accumulated temperature2 Temperature, solar radiation, VPD
v t Elapsed date1, accumulated temperature2
s t CO2 concentration, solar radiation, step ID CO2 concentration, solar radiation, step ID CO2 concentration, solar radiation, step ID

1Number of days after flowering. 2Summation of daily temperatures from the flowering date to the present.