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The introductory comments make reference to possible constraints on agriculture imposed by water scarcity and rights of access. I limit my comments to Africa. The evidence-base is that there is sufficient water available to meet the World Food Summit objective on halving malnutrition, while mantaining existing levels of water use by agriculture (for non-local food production - see below) without detriment to reasonable growth projections in other water demand sectors. There is also some considerable scope in many African countries to meet the WFS food objective and increase water use in agriculture to service other development objectives without detriment to other growing sectoral demands. (I have drawn this distinction about current water use in agriculture because irrigated cereal in Africa contributes something like less than 8% of the required calorific intake requirements on the continent. Essentially, African irrigation is using significant amounts of water but the benefits of that water are not being realised in African food intake - it is serving other purposes). 'De minimis' rights to water are granted by virtually every African national water law. No individual should (in principle) need any additional right to water for self-provisioning of food. The water constraint (in this context) is neither availablility (except in exceptional local circumstances) nor rights. Rather, it is the small-scale 'infrastructure' that brings the necessary control of water into crop production. There are a number of techniques for so-doing. Securing their uptake is the means to remove the most critical water constraint to household food production, enabling households to enter the virtuous cycle of poverty reduction. I propose that the constraints mentioned in the introductory remarks are not real constraints (but stand to be corrected). In certain national water laws, there is legislation governing the installation of small works, and a rationalisation of these (to avoid millions of farmers submitting individual 'works' applications) by Governments through regulations would represent an important and siginficant break-through. I have deliberately restricted my comments here to water for food, rather than water for agriculture. It remains unproven whether there is sufficient water on the continent to meet food MDGs, economic growth at 7% (substantially through agriculture), energy targets and economic/social benefits from improved access to water for personal and domestic needs - or how this varies nationally. Issues of rights are also very different for access to water depending upon its use, and issues of rights and access are very significant to other forms of agriculture. This model does not apply to the 7-8 African countries where climate conditions dictate that food production has to be through large-scale irrgation infrastructure. Andy Bullock
Please visit dfid-agriculture-consultation.nri.org.