Biological Nitrogen Fixation for Sustainable Agriculture pdf epub mobi txt 电子书下载 2026

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出版者:Kluwer Academic Print on Demand

作者:Ladha, J. K./ George, T./ Bohlool, B. B. (EDT)

出品人:

页数:223

译者:

出版时间:1992-5

价格:$ 303.97

装帧:HRD

isbn号码:9780792317746

丛书系列:

图书标签:

Nitrogen Fixation
Sustainable Agriculture
Biological Processes
Soil Microbiology
Plant Nutrition
Environmental Science
Agricultural Science
Biotechnology
Symbiosis
Ecology

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具体描述

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.

这本书以深刻探讨生物固氮在农业可持续发展中的重要作用为核心主题，系统性地介绍了这一自然过程及其在现代农业中的实际应用。内容围绕生物固氮机制展开，从基础概念开始，详细解析微生物的种类、它们与植物的相互作用以及这种过程如何改善土壤质量和提高作物产量。书中不仅讲述了固氮所涉及的化学反应，还强调了不同环境条件对固氮效率的影响，如温度、湿度和pH值等因素，从而帮助读者理解这一过程在实际农业中的复杂性。此外，书籍深入探讨了生物固氮技术如何为可持续农业提供解决方案。在传统农业中依赖化学肥料带来的问题被详细分析，包括其对环境污染和土壤退化的负面影响。这里介绍的方法主要包括通过引入特定的微生物菌群、调整耕作方式以及优化施肥策略，实现对自然生态系统的高效利用。书中还提供了大量实用案例和数据支持，使读者能够直观地了解这些技术在不同农业体系中的应用效果。对于希望深入研究这一主题的读者，这本书不仅是理论知识的集成，更是一份实操指南。内容涵盖从微生物学基础、生态环境影响，到实际操作方法与经济效益的各个方面，使得读者能够全面掌握生物固氮在现代农业中的潜力和应用前景。书中还特别关注农民和科研人员如何结合不同种植作物和土壤类型制定有效的固氮策略，提供了详尽的技术指南。不仅如此，内容对生物多样性的保护及其在农业系统中的作用也予以深入讨论。通过解释固氮微生物与其他有益生物之间的协同作用，书籍帮助读者理解生态平衡的重要性，并展示了如何通过科学手段维护这种平衡，从而实现长期的农业可持续发展。这样的设计不仅满足了专业知识的需求，也兼顾了实际应用中的指导价值。在探讨这一主题时，作者采用了详尽的语言表达和丰富的实例，使整个内容既易于理解又具有深度。书中引用了最新的研究成果和数据分析，为读者提供了可靠的科学依据，确保其在学习或应用过程中能够获得全面且准确的信息。这种结构安排不仅提升了阅读体验，也强化了理论与实践的结合。总体而言，这本书为所有对农业生态系统、生物固氮技术以及可持续发展的兴趣有所了解的人士提供了一份宝贵的参考资料。它不仅讲述科学事实，更通过详细分析和具体案例，帮助读者深化理解，并为未来的研究和实践奠定坚实基础。内容丰富且逻辑清晰，使其在广度和深度上均具有显著优势。