Application Of Nitrogen Fixing Systems In Soil Improvement And Management
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Technical Handbook on Symbiotic Nitrogen Fixation by Food and Agriculture Organization of the United Nations Pdf
General information on the symbiotic nitrogen fixation. Isolation, identification and counting of rhizobia. Production of an inoculant and inoculation of legumes. Experiments.
Management of Biological Nitrogen Fixation for the Development of More Productive and Sustainable Agricultural Systems by J.K. Ladha,M.B. Peoples Pdf
Reprinted from Plant and Soil, v.174, nos.1-2 (1995), this volume is devoted to discussions on the role of biological nitrogen fixation (BNF) in agricultural sustainability. Papers presented on BNF in crop forage and tree legumes are augmented with discussion of integrated farming systems involving BNF, soil and N management, and recycling of legume residues. BNF by non-legumes is discussed and attempts to transform cereals into nodulating plants are critically reviewed. Also described are advances in the development of new methodologies to understand symbiotic interactions and to assess N-2 fixation in the field; means of enhancing BNF through plant and soil management; breeding and selection; problems encountered in exploiting BNF under farmers' field conditions; and promising approaches to improve BNF exploitation. Lacks a subject index. Annotation copyright by Book News, Inc., Portland, OR
This book is centred on the 'production processes' of crops and pastures - photosynthesis and use of water and nutrients in fields. The book is unique in its combination of great breadth and depth in its treatment of production processes and systems problems. The approach is explanatory and integrative, with a firm basis in environmental physics, soils, physiology, and morphology, in contrast to descriptive or reductionist approaches. Systems concepts are introduced early and expanded as the book proceeds, giving emphasis to quantitative approaches, to management strategies and tactics employed by farmers, and to environmental issues. The systems approach is brought together in the final chapters where production and nutrient cycling are analyzed, for example farms and problems in an uncertain future are considered. The book is based on courses taught by the authors in Australia and the United States and is designed for use as a text for an introductory course in crop ecology (advanced undergraduates and beginning post-graduate level). It is more than a text, however. Given the wide range of subjects, the authors have integrated reference and background material to create a 'stand-alone' reference work useful to a wide audience of agriculturalists.
Biological Nitrogen Fixation in Farming Systems of the Tropics by A. Ayanaba,P. J. Dart Pdf
The symposium's objectives included an appraisal of the most recent studies relating to microbiological nitrogen fixation in tropical soils, consideration of aways and means of improving management of soils and crops in tropical farming systems to increase biological nitrogen fixation, of exploring ways of concurrently improving both legumes and other hosts and their symbionts to enhance nitrogen fixation, and of recommending the research needed and means of collaborating in the research effort.
Nitrogen Fixation in Tropical Cropping Systems by Ken E. Giller Pdf
The second edition of this book, first published in 1991 and intended for students and researchers, contains revised and updated material on the theory and practice of nitrogen fixation in tropical cropping systems. There are 15 chapters in 3 parts. Part I, Introduction, contains 5 chapters on tropical environments (climate, soils and cropping systems), nitrogen fixing organisms, the process of nitrogen fixation, assessment of the role of nitrogen fixation, and cycling of nitrogen in tropical cropping systems. Part II, Tropical crops and cropping systems, comprises 7 chapters on freeliving, root-associated and endophytic nitrogen fixing bacteria of cereal crops and grasses, cyanobacteria and Azolla as green manure for wetland rice, grain legumes, legumes as green manures and cover crops, forage legumes, understorey legumes and shade trees in plantation crops, and nitrogen fixing trees in agroforestry. Part III, optimizing nitrogen fixation, includes 3 chapters on environmental constraints, approaches to enhancement, and future impacts on nitrogen fixation in tropical agriculture. A list of common names and subject index are included.
Phyto-Microbiome in Stress Regulation by Manoj Kumar,Vivek Kumar,Ram Prasad Pdf
This book addresses “phyto-microbiome mediated stress regulation”. Fundamentally speaking, the microbial community’s importance for the survival of plants under stress conditions has already been confirmed. This book focuses on the roles of those rhizospheric microbiomes that are advantageous to plant developmental pathways. Gathering contributions by authors with specialized expertise in plant growth and health under stress conditions, as well as opportunistic pathogenic bacteria, the book reviews the functional aspects of rhizospheric microorganisms and how they impact plant health and disease. It offers a compendium of plant and microbial interactions at the level of multitrophic interactions, and identifies gaps between future demand and present research on plant stress. In closing, the authors highlight several directions for reshaping rhizosphere microbiomes in favor of microorganisms that are beneficial to plant growth and health.
Rainfed Farming Systems by Philip Tow,Ian Cooper,Ian Partridge,Colin Birch Pdf
While a good grasp of the many separate aspects of agriculture is important, it is equally essential for all those involved in agriculture to understand the functioning of the farming system as a whole and how it can be best managed. It is necessary to re-assess and understand rain-fed farming systems around the world and to find ways to improve the selection, design and operation of such systems for long term productivity, profitability and sustainability. The components of the system must operate together efficiently; yet many of the relationships and interactions are not clearly understood. Appreciation of these matters and how they are affected by external influences or inputs are important for decision making and for achieving desirable outcomes for the farm as a whole. This book analyses common rain-fed farming systems and defines the principles and practices important to their effective functioning and management.
Advances in Integrated Soil Fertility Management in sub-Saharan Africa: Challenges and Opportunities by Andre Bationo,Boaz Waswa,Job Kihara,Joseph Kimetu Pdf
Food insecurity is a fundamental challenge to human welfare and economic growth in Africa. Low agricultural production leads to low incomes, poor nutrition, vulnerability to risk and threat and lack of empowerment. This book offers a comprehensive synthesis of agricultural research and development experiences from sub-Saharan Africa. The text highlights practical lessons from the sub-Saharan Africa region.
Climate Change and Agroforestry Systems by Abhishek Raj,Manoj Kumar Jhariya,Dhiraj Kumar Yadav,Arnab Banerjee Pdf
This new volume addresses the burning issues of the impact of climate change, the alteration of environmental quality, and subsequent mitigation and adaptation strategies through various agroecosystem practices, primarily in agroforestry. The book discusses in depth the impact of climate change on forests and other agroecosystems. It presents new research on mitigation strategies, looking at carbon sequestration in agricultural soils, environmental greening, natural resource management, and livelihood security. It provides a thorough analysis of the potential of various modern, improved, and scientific farming practices, such as climate-smart agriculture and agroforestry systems for climate change mitigation and adaptation. The book also examines the invasion of major fungal diseases in forests and agricultural crops due to climatic fluctuations and goes on to look at water and waste management practices.