Utilisation of nutrient-enriched wastewater from aquaculture in the production of selected agricultural crops

Abstract

A comparison is made of the water efficiency of two types of drip-irrigation systems and one micro-and one flood irrigation system, using nutrient-enriched water, in the production of selected vegetable and maize crops. Results showed the micro-and dripirrigation systems to be the most economical in terms of water usage. Of these, the drum-drip-irrigation system was the most efficient and probably the system of choice to be developed further for community-based sustainable food production systems in predominantly rural areas of South Africa.

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