The Effect of Rainfall Characteristics and Tillage on Sheet Erosion and Maize Grain Yield in Semiarid Conditions and Granitic Sandy Soils of Zimbabwe

Table 2

The effect of rainfall energy and number of years of cultivation on soil loss under different tillage systems at Makoholi Contill site.

Treatment	Constant	nYears	Energy	𝑅^2
Bare fallow	−23.6	7.28	0.00505	0.60
Conv. tillage	−8.78	2.92	0.000869	0.25
Mulch ripping	−0.173	−0.113	0.000205	0.09
Tied ridging	−0.766	0.166	0.0001129	0.27