Maximising backyard food production

How do you get maximum food yield per square metre at home? Line a corner of your backyard with a Foodwall! This happy urban farmer has a 3-Tier x 4-Bay and 2-Tier x 2-Bay Foodwall capable of producing 3.5 kg of produce per tub a year. With 12 tubs in the first Foodwall and 4 in the second, that is a total of 16 growing tubs able to produce 56kg of mixed vegetables and herbs p.a.