Clay soils, with low infiltration rates, are ideally suited to surface irrigation. Other human and technical factors will decide the best method
Dothi la dongo, momwe madzi amalowa pang'onopang'ono, ndi labwino kupanga mthilira wapamwamba. Zina zofunika monga anthu ndi upangiri zithandiza kusankha njira yoyenera