Sacgriculture: Urban Farming with Ease ... By Professor Bola Oniya I was at a client's farm for trial harvest from the sack farm I set up for the family. Interestingly we got small, medium, large and extra large tubers from the few sacks harvested largely due to bag compromise. I will return in a few weeks to havest the lot. Sacgriculture, urban farming with ease....... the result a WAO! do you want to set up a sack farm? call me, affordable consultancy possible crops to grow in sack listed belo