The slope should not exceed 8% on non-erodable soils, such as rock and annual rainfall must be between 450 and 700 mm.
Moela ga o a tshwanela go feta 8% mo mmung eo e seng ya kgogolege, jaaka letlapa le pula ya ngwaga e tshwanetse go nna gare ga 450 le 700 mm.