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

Table 3

The effect of rainfall amount and number of years of cultivation on maize yield under different tillage systems at Makoholi Contill site.

Treatment	Constant	Exp. nYear	Rainfall	𝑅^2	Signif. level
Conv. tillage	−2.241	−0.0009493	0.011821	0.90	𝑃<0.001
Mulch ripping	−1.689	−0.0010092	0.011882	0.85	𝑃<0.001
Tied ridging	−1.382	−0.0006357	0.008736	0.82	𝑃<0.025