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Table 5 Regression equations and statistics for change in mass of residue C remaining over 112 days, where X = time in days after application

From: Decomposition, nitrogen and carbon mineralization from food and cover crop residues in the central plateau of Haiti

Residue species and placement Equation RMSEa R2
Maize, buried y = 0.03e−0.0010x + 0.03e−1.0601x 0.007 0.910
Maize, surface y = 0.36e−0.0069x + 0.02e−22.3816x 0.003 0.976
Sorghum sudangrass, buried y = −0.20 + 0.28e−0.0022x 0.012 0.829
Sorghum sudangrass, surface y = 0.05e−0.0055x + 0.02e−0.6272x 0.003 0.978
Common bean, buried y = 0.02 + 0.02e−0.0210x 0.005 0.799
Common bean, surface y = 0.03 + 0.02e−0.0236x 0.004 0.793
Sunn hemp, buried y = 0.05e−0.0087x + 0.07e−0.3640x 0.015 0.916
Sunn hemp, surface y = 0.04 + 0.09e−0.0561x 0.007 0.972
  1. aRoot mean square error