Namibia: Orange River Irrigation to Be More Water-Efficient

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Tools Water Namibia: Orange River Irrigation to Be More Water-Eﬃcient.

Friday, 09 March 2012 10:27 Namibia: Orange River Irrigation to Be More Water- Eﬃcient. Written by News Editor

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Windhoek — The Karas Strategic Environmental Assessment (SEA) done in conjunction with the Karas Integrated Regional Adults and Childrens Land Use Plan (KIRLUP) suggests that conditions in the very hot lower Orange River Valley provide a competitive advantage Interests for irrigated, export-quality, high-value crops. AGRI ' 2050

The high-value crops planted in the Karas Region are table grapes and dates. Agriculture Unions of South Africa However, the SEA, which is a system of incorporating environmental considerations into policies, plans, programmes and strategies, states that farmers use wasteful methods of irrigation such as centre-pivot sprinkler systems. Different Farming Categories According to the assessment, since Karas is the most water-deficient part of the country (taking high evaporation into Farmers of Africa account), irrigation methods should be much more water-efficient. Farming Equipment Examples include drip irrigation, micro-sprays and underground irrigation, whereby water is delivered directly to the root zone. Namibia presently achieves great economic benefit from the irrigation farms at Noordoewer and Aussenkehr, although Farming Interest the low price paid for water allows farmers to use wasteful ways of irrigation. Farming Machinery & Implements "The apparent abundance of water in the Orange River is misleading, since both the quantity and quality of water is declining," the SEA assessed. Farming Mentors

In addition, the wetland at the river mouth, which serves as a good indicator of the river's ecological health, is classiﬁed as Fresh Produce internationally important and is listed on the Montreux Record as one that is degraded. Markets Important Facts Climate change is likely to make the water situation even more critical. Irrigation potential using Orange River water is vulnerable to these risks and to abstraction upstream. Tools

SEA suggested that carefully considered tariff systems be used as a demand management strategy that forces farmers to Engineering in South use water-efficient irrigation methods and to concentrate on high value crops. Africa and Africa Vintage Tractors The Orange River water quality is getting poorer from the return flows from irrigation farms in South Africa and Namibia) which carry high loads of pesticides and leached fertilisers. Water

"This threatens the ecological integrity of the Orange River as an important linear oasis through the arid surroundings, World Food and particularly the mouth which is recognised as a wetland of international importance. Irrigation farming requires skilled Agriculture farmers and high capital and running costs. These conditions mean that irrigation farming is not very effective at improving Tractor prices in local livelihoods, as the main benefit to local people is through their unskilled, seasonal labour. This SEA supports the South Africa irrigation schemes at Noordoewer and Aussenkehr, including proposed expansions, only if water-efficient irrigation methods are used. LDV Prices in South Africa The parallel processes of KIRLUP and SEA, led by the Ministry of Lands and Resettlement, and being piloted in the Karas The parallel processes of KIRLUP and SEA, led by the Ministry of Lands and Resettlement, and being piloted in the Karas Whats NEW in Region as a model for improved planning, can be seen as an assessment and identification of opportunities. (AllAfrica) Agriculture

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