On Site And Off Site Long Term Economic Impacts Of Soil Fertility Management Practices
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Author |
: Ephraim Nkonya, Patrick Gicheru, Johannes Woelcke, Barrack Okoba, Daniel Kilambya, and Louis N. Gachimbi |
Publisher |
: Intl Food Policy Res Inst |
Total Pages |
: 32 |
Release |
: |
ISBN-10 |
: |
ISBN-13 |
: |
Rating |
: 4/5 ( Downloads) |
Synopsis On-Site and Off-Site Long-Term Economic Impacts of Soil Fertility Management Practices: The Case of Maize-Based Cropping Systems in Kenya by : Ephraim Nkonya, Patrick Gicheru, Johannes Woelcke, Barrack Okoba, Daniel Kilambya, and Louis N. Gachimbi
Author |
: Ephraim Nkonya |
Publisher |
: |
Total Pages |
: 24 |
Release |
: 2008 |
ISBN-10 |
: OCLC:317483781 |
ISBN-13 |
: |
Rating |
: 4/5 (81 Downloads) |
Synopsis On-site and Off-Site Long-term Economic Impacts of Soil Fertility Management Practices by : Ephraim Nkonya
Author |
: Food and Agriculture Organization of the United Nations |
Publisher |
: Food & Agriculture Org. |
Total Pages |
: 72 |
Release |
: 2001 |
ISBN-10 |
: 9251045224 |
ISBN-13 |
: 9789251045220 |
Rating |
: 4/5 (24 Downloads) |
Synopsis The Economics of Soil Productivity in Sub-Saharan Africa by : Food and Agriculture Organization of the United Nations
This study examines the current and potential role of economics in soil productivity in sub-Saharan Africa. After examining the status of soil productivity and the contribution of conventional economic analyses, it considers more innovative approaches that enable economics to play a greater role in the planning and evaluation of soil productivity, enhancing measures at farm, national and global level. In the past economics has tended to focus on one factor at a time but many factors affect soil productivity. Decisions, policies and their impact call for a more integrative, participatory analytical approaches capable of weighing various aspects simultaneously. This study highlights how economics can respond to this challenge through the a[application of fresh concepts (e.g. natural capital) and specific techniques (e.g. multi-criteria analysis, green accounting).
Author |
: Amitava Chatterjee |
Publisher |
: John Wiley & Sons |
Total Pages |
: 160 |
Release |
: 2020-05-19 |
ISBN-10 |
: 9780891183532 |
ISBN-13 |
: 0891183531 |
Rating |
: 4/5 (32 Downloads) |
Synopsis Soil Fertility Management in Agroecosystems by : Amitava Chatterjee
In Soil Fertility Management in Agroecosystems, Editors Amitava Chatterjee and David Clay provide a thoughtful survey of important concepts in soil fertility management. For the requirements of our future workforce, it is imperative that we evolve our understanding of soil fertility. Agronomists and soil scientists are increasingly challenged by extreme climatic conditions. Farmers are experimenting with integrating cover crops into rotations and reducing the use of chemical fertilizers. In other words, there is no such a thing as a simple fertilizer recommendation in today's agriculture. Topics covered include crop-specific nutrient management, program assessment, crop models for decision making, optimization of fertilizer use, cover crops, reducing nitrous oxide emissions, natural abundance techniques, tile-drained conditions, and soil biological fertility.
Author |
: M.J. Wilson |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 375 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9789401141819 |
ISBN-13 |
: 9401141819 |
Rating |
: 4/5 (19 Downloads) |
Synopsis Soil Quality, Sustainable Agriculture and Environmental Security in Central and Eastern Europe by : M.J. Wilson
Agriculture is a crucial component of the economies of many of the countries in transition from a centrally-planned to a market economy and the sector is by no means immune to the environmental and socioeconomic problems confronting the countries as a whole. The concept of sustainable development provides a convenient framework for the formulation of government environmental policy for such countries, especially those of them that aspire to join the EU and would thus be expected to meet EU environmental standards. For agriculture, this inevitably involves appropriate strategies for balancing crop and animal production while protecting the quality of the national soil and water resources. There is thus an urgent need to compile, exchange and evaluate current information on the quality of soils in these countries, and to assess the potential impact of new management practices on the soil and on the wider environment.
Author |
: Ephraim Nkonya |
Publisher |
: Springer |
Total Pages |
: 695 |
Release |
: 2015-11-11 |
ISBN-10 |
: 9783319191683 |
ISBN-13 |
: 3319191683 |
Rating |
: 4/5 (83 Downloads) |
Synopsis Economics of Land Degradation and Improvement – A Global Assessment for Sustainable Development by : Ephraim Nkonya
This volume deals with land degradation, which is occurring in almost all terrestrial biomes and agro-ecologies, in both low and high income countries and is stretching to about 30% of the total global land area. About three billion people reside in these degraded lands. However, the impact of land degradation is especially severe on livelihoods of the poor who heavily depend on natural resources. The annual global cost of land degradation due to land use and cover change (LUCC) and lower cropland and rangeland productivity is estimated to be about 300 billion USD. Sub-Saharan Africa (SSA) accounts for the largest share (22%) of the total global cost of land degradation. Only about 38% of the cost of land degradation due to LUCC - which accounts for 78% of the US$300 billion loss – is borne by land users and the remaining share (62%) is borne by consumers of ecosystem services off the farm. The results in this volume indicate that reversing land degradation trends makes both economic sense, and has multiple social and environmental benefits. On average, one US dollar investment into restoration of degraded land returns five US dollars. The findings of the country case studies call for increased investments into the rehabilitation and restoration of degraded lands, including through such institutional and policy measures as strengthening community participation for sustainable land management, enhancing government effectiveness and rule of law, improving access to markets and rural services, and securing land tenure. The assessment in this volume has been conducted at a time when there is an elevated interest in private land investments and when global efforts to achieve sustainable development objectives have intensified. In this regard, the results of this volume can contribute significantly to the ongoing policy debate and efforts to design strategies for achieving sustainable development goals and related efforts to address land degradation and halt biodiversity loss.
Author |
: Andre Bationo |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 210 |
Release |
: 2012-03-12 |
ISBN-10 |
: 9789400729384 |
ISBN-13 |
: 9400729383 |
Rating |
: 4/5 (84 Downloads) |
Synopsis Lessons learned from Long-term Soil Fertility Management Experiments in Africa by : Andre Bationo
This book elucidates the importance of long-term experiments in revealing evidence of soil fertility decline in Africa. An evaluation of experiences from on-going long-term experiments is given in broad detail. The first chapter explains the paradigm shift in soil fertility management then provides justification for long-term experiments before illuminating experiences from long-term experiments in East, West and Southern Africa. The second, sixth, eighth and ninth chapters give an in-depth account of crop management practices and soil fertility interventions in long-term trials within specific agro-ecological zones in West Africa. The rest of the chapters (chapter three, four, five and seven) address crop management, tillage practices and, organic and inorganic fertilizer applications in the context of long-term experiments in specific agro-ecological zones in East Africa.
Author |
: Nteranya Sanginga |
Publisher |
: CIAT |
Total Pages |
: 270 |
Release |
: 2009 |
ISBN-10 |
: 9789290592617 |
ISBN-13 |
: 9290592613 |
Rating |
: 4/5 (17 Downloads) |
Synopsis Integrated Soil Fertility Management in Africa by : Nteranya Sanginga
Forward. A call for integrated soil fertility management in Africa. Introduction. ISFM and the African farmer. Part I. The principles of ISFM: ISFM as a strategic goal, Fertilizer management within ISFM, Agro-minerals in ISFM, Organic resource management, ISFM, soil biota and soil health. Part II. ISFM practices: ISFM products and fields practices, ISFM practice in drylands, ISFM practice in savannas and woodlands, ISFM practice in the humid forest zone, Conservation Agriculture. Part III. The process of implementing ISFM: soil fertility diagnosis, soil fertility management advice, Dissemination of ISFM technologies, Designing an ISFM adoption project, ISFM at farm and landscape scales. Part IV. The social dimensions of ISFM: The role of ISFM in gender empowerment, ISFM and household nutrition, Capacity building in ISFM, ISFM in the policy arena, Marketing support for ISFM, Advancing ISFM in Africa. Appendices: Mineral nutrient contents of some common organic resources.
Author |
: Rattan Lal |
Publisher |
: CRC Press |
Total Pages |
: 571 |
Release |
: 2013-06-10 |
ISBN-10 |
: 9781466513464 |
ISBN-13 |
: 1466513462 |
Rating |
: 4/5 (64 Downloads) |
Synopsis Principles of Sustainable Soil Management in Agroecosystems by : Rattan Lal
With the use of high-level soil management technology, Africa could feed several billion people, yet food production has generally stagnated since the 1960s. No matter how powerful the seed technology, the seedling emerging from it can flourish only in a healthy soil. Accordingly, crop yields in Africa, South Asia, and the Caribbean could be doubled or tripled through adoption of technologies based on laws of sustainable soil management. Principles of Sustainable Soil Management in Agroecosystems describes the application of these laws to enhance ecosystem services while restoring degraded soils and promoting sustainable use. With chapters contributed by world-class soil scientists, ecologists, and social scientists, this book outlines critical changes in management of agricultural soils necessary to achieve food security and meet the food demands of the present and projected future population. These changes include conversion to no-till and conservation agriculture; adoption of strategies of integrated nutrient management, water harvesting, and use of drip sub-irrigation; complex cropping/farming systems such as cover cropping and agroforestry; and use of nano-enhanced fertilizers. The book is based on the premise that it is not possible to extract more from a soil than what is put into it without degrading its quality. The strategy is to replace what is removed, respond wisely to what is changed, and be pro-active to what may happen because of natural and anthropogenic perturbations. The chapters, which exemplify these ideas, cover a range of topics including organic farming, soil fertility, crop-symbiotic soil microbiota, human-driven soil degradation, soil degradation and restoration, carbon sink capacity of soils, soil renewal and sustainability, and the marginality principle.
Author |
: Steven A Banwart |
Publisher |
: CABI |
Total Pages |
: 429 |
Release |
: 2014-12-03 |
ISBN-10 |
: 9781780645322 |
ISBN-13 |
: 1780645325 |
Rating |
: 4/5 (22 Downloads) |
Synopsis Soil Carbon by : Steven A Banwart
This book brings together the essential evidence and policy opportunities regarding the global importance of soil carbon for sustaining Earth's life support system for humanity. Covering the science and policy background for this important natural resource, it describes land management options that improve soil carbon status and therefore increase the benefits that humans derive from the environment. Written by renowned global experts, it is the principal output from a SCOPE rapid assessment process project.