Effect of Continuous Agriculture of Grassland Soils of the Argentine Rolling Pampa on Soil Organic Carbon and Nitrogen

Table 3

Crop 𝑘₁ values used in the validation procedure as a function of the predominant soil residue management.

Culture	𝑘1
	Default	Stubble burning from aerial∣root biomass	Mineral N/P fertilization	Mechanicall weed control	NT
Maize	0.35^a	0.5∣0.3^c	0.21^d		0.13^e
Leenseed		0.5∣0.3
Wheat	0.3^ab	0.5∣0.3	0.21		0.13
Soybean	0.3
Sunflower	0.3
Sorghum	0.35^a		0.21
Carrot	0.3
Oat	0.3
Pea	0.3
Lentil	0.3
Vetch	0.3
Weed				0.21

Taken from: ^a[43]; ^b[29, 47]; ^c[67]; ^d[46]; ^e[65].
NT: no tillage.