π± Energy and Food Production
Introduction
Net productivity
gross productivity respiratory lossΒ
chemical pesticides and biological agents
Intensive rearing of animals
Prioritising land
Controlling the effects of chemicals
Drawing ethical boundaries
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Introduction
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Chemical pesticides and biological agents
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The use of chemical pesticides and biological agents to kill all or certain organisms which may infect or feed on plants e.g. insects, fungi, small animals.
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Intensive rearing of animals
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Intensive rearing of animals which includes keeping them indoors and in confined spaces to prevent their energy being lost on movement; and administering antibiotics to prevent mass spread of infection
To enhance plant growth fertilisers are used, whether natural (manure) or artificial.
A strategy to maximise net productivity is an…..