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Food and nutritional security require adequate protein as well as energy, delivered from whole-year crop production
Human food security requires the production of sufficient quantities of both high-quality protein and dietary energy. In a series of case-studies from New Zealand, we show that while production of food ingredients from crops on arable land can meet human dietary energy requirements effectively, requirements for high-quality protein are met more efficiently by animal production from such land. We present a model that can be used to assess dietary energy and quality-corrected protein productiondoi:10.7287/peerj.preprints.1841 fatcat:obpjez7c7jgaxe5hhjstqcxqba