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

Table 1

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

Treatment	Constant	Energy	Exp. nYears	𝑅^2
Bare fallow	−30.0	0.01856	0.01437	0.92
Conv. tillage	−26.9	0.00987	0.00960	0.80
Mulch ripping	−36.1	0.00661	0.00213	0.66
Tied ridging	−29.4	0.005377	−0.00223	0.67