Fig. 4From: The challenge of achieving basal energy, iron and zinc provision for home consumption through family farming in the Andes: a comparison of coverage through contemporary production systems and selected agricultural interventionsHousehold-level energy, iron and zinc balances in ascending order and as proportions (+) or (−) of actual household requirements (n = 164). The x-axis (y = 0) represents basal household-level demand for full coverageBack to article page