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Author: National Research Council (U.S.). Advisory Committee on Technology Innovation
Publisher: National Academies
ISBN:
Category : Casuarina
Languages : en
Pages : 136
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Book Description
Highlights eighteen species of Australasian trees as valuable resources for planting on denuded land to provide fuel and other products.
Author: National Research Council (U.S.). Advisory Committee on Technology Innovation
Publisher: National Academies
ISBN:
Category : Casuarina
Languages : en
Pages : 136
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Book Description
Highlights eighteen species of Australasian trees as valuable resources for planting on denuded land to provide fuel and other products.
Author: Katharina Pawlowski
Publisher: Springer Science & Business Media
ISBN: 1402035470
Category : Science
Languages : en
Pages : 325
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Book Description
For researchers and graduates with any interest in plant or soil sciences, this fascinating study will be a godsend – it’s the complete state of the art with regard to actinorhizal symbioses. The self-contained sixth volume of a comprehensive series on nitrogen fixation, it includes chapters that deal with all aspects of this symbiosis between actinorhizal plants and nitrogen-fixing bacteria. It also contains information both about symbionts and their ecological role and use. Other chapters tackle the global distribution of different actinorhizal plants and their microsymbionts and how this impacts the question of co-evolution of the micro- and macrosymbionts as well as comparing the actinorhizal and leguminous symbioses. No other book provides the up-to-date and in-depth coverage of this volume.
Author:
Publisher: IICA
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
Author: Ken E. Giller
Publisher: CABI
ISBN: 0851994172
Category : Science
Languages : en
Pages : 441
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Book Description
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.
Author: Y. P. S. Bajaj
Publisher: Springer Science & Business Media
ISBN: 3662106175
Category : Technology & Engineering
Languages : en
Pages : 440
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Book Description
This volume presents twenty-four chapters on the biotechnology of trees and deals with the importance, distribution, conventional propagation, micropropagation, review of tissue culture studies, in vitro culture, and genetic manipulation of forest, fruit and ornamental trees, such as various species of Acrocomia, Ailanthus, Anacardium, Allocasuarina, Carya, Casuarina, Coffea, Cyphomandra, Fagus, Feijoa, Fraxinus, Gymnocladus, Leptospermum, Metroxylon, Oxydendrum, Paeonia, Paulownia, Pouteria, Psidium, Quercus. Included are also five chapters on gymnosperm trees, such as Abies fraseri, Cephalotaxus, Pinus durangensis, P. greggii, P. halepensis, P. pinea, and Tetraclinis articulata. Trees IV is a valuable reference book for scientists, teachers, and students of forestry, botany, genetics and horticulture, who are interested in tree biotechnology.
Author: Y.P.S. Bajaj
Publisher: Springer Science & Business Media
ISBN: 3642596096
Category : Technology & Engineering
Languages : en
Pages : 341
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Book Description
Annotation. "This volume on Transgenic Trees, comprising 22 chapters, deals with the genetic transformation of fruit and forest trees." "It is of special interest to advanced students, teachers and research workers in the field of forestry, horticulture, molecular biology, plant tissue culture, botany, and plant biotechnology in general."--BOOK JACKET. Title Summary field provided by Blackwell North America, Inc. All Rights Reserved.
Author: J.K. Ladha
Publisher: Springer Science & Business Media
ISBN: 9401709106
Category : Nature
Languages : en
Pages : 212
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Book Description
Chemical fertilizers have had a significant impact on food production in the recent past, and are today an indispensable part of modern agriculture. On the other hand, the oil crisis of the 1970s and the current Middle East problems are constant reminders of the vulnerability of our fossil fuel dependent agriculture. There are vast areas of the developing world where N fertilizers are neither available nor affordable and, in most of these countries, balance of payment problems have resulted in the removal of N fertilizer subsidies. The external costs of environmental degradation and human health far exceed economic concerns. Input efficiency of N fertilizer is one of the lowest and, in turn, contributes substantially to environmental pollution. Nitrate in ground and surface waters and the threat to the stability of the ozone layer from gaseous oxides of nitrogen are major health and environmental concerns. The removal of large quantities of crop produce from the land also depletes soil of its native N reserves. Another concern is the decline in crop yields under continuous use of N fertilizers. These economic, environmental and production considerations dictate that biological alternatives which can augment, and in some cases replace, N fertilizers must be exploited. Long-term sustainability of agricultural systems must rely on the use and effective management of internal resources. The process of biological nitrogen fixation offers and economically attractive and ecologically sound means of reducing external nitrogen input and improving the quality and quantity of internal resources. In this book, we outline sustainability issues that dictate an increased use of biological nitrogen fixation and the constraints on its optimal use in agriculture.
Author: Chittaranjan Kole
Publisher: CRC Press
ISBN: 1439816840
Category : Science
Languages : en
Pages : 876
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Book Description
As the world’s population is projected to reach 10 billion or more by 2100, devastating fossil fuel shortages loom in the future unless more renewable alternatives to energy are developed. Bioenergy, in the form of cellulosic biomass, starch, sugar, and oils from crop plants, has emerged as one of the cheaper, cleaner, and environmentally sustainable alternatives to traditional forms of energy. Handbook of Bioenergy Crop Plants brings together the work of a panel of global experts who survey the possibilities and challenges involved in biofuel production in the twenty-first century. Section One explores the genetic improvement of bioenergy crops, ecological issues and biodiversity, feedstock logistics and enzymatic cell wall degradation to produce biofuels, and process technologies of liquid transportation fuels production. It also reviews international standards for fuel quality, unique issues of biofuel-powered engines, life-cycle environmental impacts of biofuels compared with fossil fuels, and social concerns. Section Two examines commercialized bioenergy crops, including cassava, Jatropha, forest trees, maize, oil palm, oilseed Brassicas, sorghum, soybean, sugarcane, and switchgrass. Section Three profiles emerging crops such as Brachypodium, diesel trees, minor oilseeds, lower plants, Paulownia, shrub willow, sugarbeet, sunflower, and sweet potato. It also discusses unconventional biomass resources such as vegetable oils, organic waste, and municipal sludge. Highlighting the special requirements, major achievements, and unresolved concerns in bioenergy production from crop plants, the book is destined to lead to future discoveries related to the use of plants for bioenergy production. It will assist in developing innovative ways of ameliorating energy problems on the horizon.
Author: Russell M. Burns
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 898
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Book Description
Author: J.R. Brandle
Publisher: Elsevier
ISBN: 0444600868
Category : Technology & Engineering
Languages : en
Pages : 609
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Book Description
This book contains a selection of papers presented at the first International Symposium on Windbreak Technology, summarising the available worldwide literature on windbreaks and the response, both positive and negative, to wind protection. State-of-the-art information is presented on general design criteria, and principles of planting and establishment for a wide range of conditions and objectives. It provides descriptive information of tree and shrub species for arid, semi-arid, temperate and tropical areas, and their use in windbreaks.
