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. 2016 Jul 5;11(7):e0158172. doi: 10.1371/journal.pone.0158172

Table 1. Regression models of the wheat residual mass and incubation time.

Treatments y = y0(1−a·e-kt)
y0 a k R2
Aerobic condition 36.71 66.17 0.022 0.96
Anaerobic condition 38.55 65.2 0.014 0.98

Note: y is the percentage of the initial mass remaining at time t (months); y0 is the asymptotic value when time is ∞, a is the percentage of the initial mass of material subject to loss; k is the decomposition rate constant calculated by the least-squares method of fitting the model (d-1); t is the incubation time (months); and R2 is a correlation coefficient.