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2024 | OriginalPaper | Buchkapitel

Sustainable Soilless Recirculating Hydroponics for Productive Use of Marginal Lands: A South African Context

verfasst von : Nadia Alcina Araya, Makgoka Given Moremi, Salmina Mokgehle, Motiki M. Mofokeng, Mantwampe Johleen Malaka, Manaka Makgato, Hintsa Tesfamicael Araya, Beverly Mampholo

Erschienen in: The Marginal Soils of Africa

Verlag: Springer Nature Switzerland

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Abstract

Soilless recirculating hydroponic systems (those in which the nutrient solution is continuously recirculated and reused into the system) are well known for their potential to maximize crop production with minimum inputs of fertilizer and water, resulting in improved yields and quality of fresh produce, as well as increased farmer’s profitability and environmental preservation. The most implemented recirculating hydroponic systems in South Africa include the gravel and nutrient film, ebb-and-flow, and deep-water-culture techniques. Appropriate management and maintenance of these systems are crucial for increased crop productivity and water use efficiency. This is particularly relevant in South Africa for being a food-insecure and water-scarce country. This chapter highlights important production factors in recirculating hydroponics, typical crop yields, and water use efficiency obtained under South African conditions while emphasizing potential focus areas for research to improve the profitability and sustainability of crop production in soilless recirculating hydroponic systems.

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Metadaten
Titel
Sustainable Soilless Recirculating Hydroponics for Productive Use of Marginal Lands: A South African Context
verfasst von
Nadia Alcina Araya
Makgoka Given Moremi
Salmina Mokgehle
Motiki M. Mofokeng
Mantwampe Johleen Malaka
Manaka Makgato
Hintsa Tesfamicael Araya
Beverly Mampholo
Copyright-Jahr
2024
DOI
https://doi.org/10.1007/978-3-031-55185-7_15