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Mapping irrigated areas in the Limpopo Province, South Africa
This report summarizes the findings of a collaborative effort to map and assess irrigated areas in the Limpopo Province, South Africa. The study was conducted by the International Water Management Institute (IWMI) in collaboration with the Department of Agriculture, Forestry and Fisheries (DAFF) and the Limpopo Department of Agriculture and Rural Development (LDARD), as part of the DAFF-supported ‘Revitalization of irrigation in South Africa’ project. Based on a combination of Landsat and Moderate Resolution Imaging Spectroradiometer (MODIS) satellite data, previous irrigated area mapping exercises carried out by DAFF and three-field ground truthing (GT) surveys, a total of 1.6 million hectares (Mha) of cropland were identified, with 262,000 ha actually irrigated in the 2015 winter season. The study also found that only 29% of all land equipped with center pivots was actually irrigated.
Smallholder irrigation schemes in the Limpopo Province, South Africa
A survey of 76 public smallholder irrigation schemes in the Limpopo Province was jointly conducted by the International Water Management Institute (IWMI), Department of Agriculture, Forestry and Fisheries (DAFF), South Africa, and the Limpopo Department of Agriculture and Rural Development (LDARD), as part of the ‘Revitalization of Smallholder Irrigation in South Africa’ project. About one-third of those schemes was fully utilized; one-third partially utilized; and one-third not utilized in the winter of 2015; however, no single socioeconomic, physical, agronomic and marketing variable could explain these differences in utilization. Sale, mostly for informal markets, appeared the most important goal. Dilapidated infrastructure was the most important constraint cited by the farmers. The study recommends ways to overcome the build-neglect-rebuild syndrome, and to learn lessons from informal irrigation, which covers an area three to four times as large as public irrigation schemes in the province.
Food Security for African Smallholder Farmers
This book provides a synthesis of current agricultural research in Africa with the aim of presenting evidence based information that can be directly applied into improving the African smallholder farmers’ food security. It presents positive scientific research that has been undertaken in Africa, in simpler terms, thus driving the research for development agenda contributing to the attainment of SDG 2. Numerous research that targets resource poor African smallholder farmers has been published, yet the region faces very low productivity levels. This lack of translation from research to food security and increased agricultural incomes is due to the poor uptake of scientific research by farmer...
Irrigation suitability mapping examples from Zimbabwe, Zambia, Malawi and Kenya
The irrigation suitability classification was achieved by using physical factors that include slope, rainfall, landuse, closeness to waterbodies (surface and groundwater) and soil characteristics for selected districts in Zimbabwe, Zambia, Malawi, and Kenya, some of the UU target countries. As cereals form the main food basket of the selected countries, and cereals are not tolerant to saline conditions, the report also provides maps showing high soil salinity areas of Makueni and Nakuru of Kenya, where soils are highly saline. However, soil salinity is insignificant in the other study districts and therefore not mapped. This report provides (a) a conceptual framework and detailed methodology for irrigation suitability mapping, including details of identified boundary maps and geospatial data, and (b) a synthesis model and maps on irrigation suitability mapping for the selected districts in the four target countries.
The Water–Energy–Food Nexus
Water, Energy and Food are the very basic necessities of human life and all the three of them are interconnected with each other, this connection being called the Water-Energy-Food nexus. Water is an inevitable element to energy and food systems to work. Water is essential for the growth of crops and produce energy and it consumes a lot of energy to treat and move water. Food and energy are equally dependent upon each other as well. This book highlights with various examples and case studies from around the World, the importance of this concept.
Progress in Sustainable Development
Progress in Sustainable Development: Sustainable Engineering Practices provides readers with the latest research and best practices in sustainable engineering in the fields of urban, environmental, energy and sustainability sciences, reflecting a focus on state-of-the art insights and the latest developments. Chapters focus on the key engineering principles of effective resource use, reduction of excess waste, and taking advantage of natural resources to equip readers with the background information and practical considerations of successful implementations of sustainable technical solutions. Each chapter features detailed case studies and figures showing real-world applications of the lates...
Nourishing Tomorrow: Clean Engineering And Nature-friendly Living
Human beings require nourishment for the body, mind, and soul. To nourish tomorrow demands sustainable, clean and healthy food, water, air, healthcare, energy, living quarters, communities, and governance for everyone. This volume brings together twenty-four experts — comprising engineers, scientists, economists, architects, academics, and public servants from around the world — to share their views on how we could sustainably nourish people and the planet.In this book, the theme of building environments in which life — human and non-human — can co-exist, grow, and thrive in, is explored from multiple aspects. From agriculture and food security to drinking water, energy generation, energy storage, waste management and treatment, to building for and encouraging biodiversity in marinas, to establishing resilient communities that can recover quickly from both manmade and natural disasters.This book is a valuable resource for readers in the fields of biological science, agriculture, and sustainability. It is also a thought-provoking volume for those who simply want to know more about the complex issue of nourishing the world.
