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

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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

Residue species and placement	Equation	RMSE^a	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