They should be dug at least 2 months before planting and filled with top soil mixed with 5 to 10kg of well decomposed manure
Akumbidwe pafupifupi miyezi iwiri musanabzale ndipo akwililidwe ndi dothi lapamwamba losakanizidwa bwino ndi 50kgs kufika 10kgs yamanyowa ovunda bwino