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Author : Ronald F. Follett
Publisher : Unknown
Page : 0 pages
File Size : 48,5 Mb
Release : 1991
Category : Electronic books
ISBN : 0891187960
Author : Ronald F. Follett,Dennis R. Kenney,R. M. Cruse
Publisher : Unknown
Page : 0 pages
File Size : 45,6 Mb
Release : 1991
Category : Groundwater
ISBN : 0891187960
Author : Ronald F. Follett,Dennis R. Kenney,R. M. Cruse
Publisher : Unknown
Page : 390 pages
File Size : 52,5 Mb
Release : 1991
Category : Groundwater
ISBN : WISC:89032847766
Author : Rattan Lal
Publisher : CRC Press
Page : 1052 pages
File Size : 40,6 Mb
Release : 2006
Category : Technology & Engineering
ISBN : 0849350549
"Upholding the high standard of quality set by the previous edition, this two-volume second edition offers a vast array of recent peer-reviewed articles. It showcases research and practices with added sections on ISTIC-World Soil Information, root growth and agricultural management, nitrate leaching management, podzols, paramos soils, water repellant soils, rare earth elements, and more. With hundreds of entries covering tillage, irrigation, erosion control, ground water, and soil degradation, the book offers quick access to all branches of soil science, from mineralology and physics, to soil management, restoration, and global warming."--Publisher's website.
Author : R.F. Follett,J.L. Hatfield
Publisher : Gulf Professional Publishing
Page : 539 pages
File Size : 51,6 Mb
Release : 2001-12-03
Category : Technology & Engineering
ISBN : 9780080537566
Nitrogen in the Environment: Sources, Problems, and Management is the first volume to provide a holistic perspective and comprehensive treatment of nitrogen from field, to ecosystem, to treatment of urban and rural drinking water supplies, while also including a historical overview, human health impacts and policy considerations. It provides a worldwide perspective on nitrogen and agriculture. Nitrogen is one of the most critical elements required in agricultural systems for the production of crops for feed, food and fiber. The ever-increasing world population requires increasing use of nitrogen in agriculture to supply human needs for dietary protein. Worldwide demand for nitrogen will increase as a direct response to increasing population. Strategies and perspectives are considered to improve nitrogen-use efficiency. Issues of nitrogen in crop and human nutrition, and transport and transformations along the continuum from farm field to ground water, watersheds, streams, rivers, and coastal marine environments are discussed. Described are aerial transport of nitrogen from livestock and agricultural systems and the potential for deposition and impacts. The current status of nitrogen in the environment in selected terrestrial and coastal environments and crop and forest ecosystems and development of emerging technologies to minimize nitrogen impacts on the environment are addressed. The nitrogen cycle provides a framework for assessing broad scale or even global strategies to improve nitrogen use efficiency. Growing human populations are the driving force that requires increased nitrogen inputs. These increasing inputs into the food-production system directly result in increased livestock and human-excretory nitrogen contribution into the environment. The scope of this book is diverse, covering a range of topics and issues from furthering our understanding of nitrogen in the environment to policy considerations at both farm and national scales.
Author : Ronald F Follett
Publisher : Elsevier
Page : 412 pages
File Size : 41,5 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780444599391
Supplying crops with adequate nitrogen is vital to ensuring food supplies. Once nitrogen is added to the soil, it is subject to chemical transformations of the nitrogen-cycle including transformation to nitrate. Excessive amounts of accumulated nitrate may then leach out of the soil and could potentially enter and contaminate drinking water supplies. The purpose of this book is to examine the subject of nitrogen management and ground water protection. The issue of maintaining ground water quality is addressed primarily from an agronomic point of view. Topics covered include: health and economic aspects of nitrate in drinking water; nitrate sources; ground water nitrate in the USA and other developed countries; transport, leaching and accounting for nitrogen; soil, nitrogen, crop and water management; and nitrate in aquifer systems. The book contains a keyword index and is organized into thirteen chapters, each with appropriate references, tables and figures. Chapter authors are among the leading experts on the subject of nitrate and ground water quality. Readers to whom the book is directed include soil scientists and agronomists, agricultural engineers (irrigation and drainage), environmental scientists, agricultural policy makers, and hydrologists.
Author : Anonim
Publisher : UCANR Publications
Page : 178 pages
File Size : 45,8 Mb
Release : 2024-07-01
Category : Electronic
ISBN : 9781601074478
Author : M.A. Fragoso,M.L. Van Beusichem
Publisher : Springer Science & Business Media
Page : 638 pages
File Size : 53,6 Mb
Release : 2013-11-11
Category : Science
ISBN : 9789401724968
The world-wide shortage of plant production menacing the survival of many people demands for more and better research, particularly on how to increase food and where it is most needed. Major problems of international concern for the scientific community are the availability in soil media of macro and micro nutrients and the efficiency of nutrient uptake by plant roots, the interactions between nutrients and other factors, the distribution of nutrients in different plant species, biochemical functions of nutrient elements, and their contribution to plant growth, yield and product quality. Feasibility and profit are also permanent concerns about plant nutrition in crop management, to which new require ments are now imposed by the need to decrease pollution hazards, a problem of prime importance to preserve the environment of the future. is A deeper insight into basic knowledge further required as well as into practical problems in the domains of agriculture, horticulture, and forestry. Such has been the concern of the International Association for the Optimization of Plant Nutrition (IAOPN) since 1964, promoting International Colloquia every four years as an opportunity for scientists concerned with plant nutrition to report new findings and to exchange ideas, experiences, and techniques. The Eighth International Colloquium for the Optimization of Plant Nutrition was hosted by Portugal and held in Lisbon from 31 August to 8 September 1992, with 280 delegates from 34 countries.
Author : B.A. Stewart
Publisher : CRC Press
Page : 414 pages
File Size : 44,6 Mb
Release : 2020-11-25
Category : Technology & Engineering
ISBN : 9781000157956
Agrochemicals and agricultural practices have a tremendous impact on environmental quality, particularly their role in water quality degradation. Soil Processes and Water Quality examines principles and practices that minimize the risks of water pollution while enhancing agricultural intensification and productivity. It focuses on how agricultural practices-such as tillage methods, use of fertilizers and manures, cropping systems, and the use of agrochemicals and pest control measures-impact soil processes and affect water quality. Extensive coverage of such topics as water contamination by runoff, leaching, macropore flow, and sediments is also included. Rapid increases in the use of agrochemicals make Soil Processes and Water Quality an indispensable reference for soil scientists, water quality professionals, researchers, environmental chemists, agrochemicals professionals, government agency employees, academic instructors, agronomists, and students.
Author : Larry W. Canter
Publisher : Routledge
Page : 288 pages
File Size : 52,8 Mb
Release : 2019-01-22
Category : Technology & Engineering
ISBN : 9781351428668
This time-saving book provides extensive coverage of all important aspects of nitrates in groundwater, ranging from prevention to problem assessment to remediation. It begins by highlighting the nitrogen cycle and related health concerns, providing both background information and a unique perspective on health issues. It then analyzes subsurface pr
Author : Ronald F. Follett
Publisher : Unknown
Page : 38 pages
File Size : 50,8 Mb
Release : 1995
Category : Nitrogen cycle
ISBN : CORNELL:31924101596041
Author : J.L. Hatfield,R.F. Follett
Publisher : Elsevier
Page : 720 pages
File Size : 55,8 Mb
Release : 2008-08-28
Category : Technology & Engineering
ISBN : 0080569897
Nitrogen is one of the most critical elements for all life forms. In agricultural systems it is essential for the production of crops for feed, food, and fiber. The ever-increasing world population requires increasing use of nitrogen in agriculture to supply human needs for dietary protein. Worldwide demand for nitrogen will increase as a direct response to increasing population. Nitrogen in the Environment provides a wholistic perspective and comprehensive treatment of nitrogen. The scope of this book is diverse covering a range of topics and issues related to furthering our understanding of nitrogen in the environment at farm and national levels. Issues of nitrogen from its effects on crops and human nutrition to nitrogen in ground water, watersheds, streams, rivers, and coastal marine environments are discussed to provide a broad view of the problem and support scientists, researchers, and engineers in formulating comprehensive solutions. * The only source which presents an international, wholistic perspective of the effects of nitrogen in the environment with worldwide mitigation practices * Provides details on how to improve the quality of the environment by analyzing the development of emerging technologies * Develops strategies to be used by soil scientists, agronomists, hydrologists, and geophysicists for broad scale improvement of nitrogen efficiency
Author : Anonim
Publisher : Academic Press
Page : 288 pages
File Size : 47,7 Mb
Release : 2010-01-27
Category : Technology & Engineering
ISBN : 0123810248
Advances in Agronomy continues to be recognized as a leading reference and a first-rate source for the latest research in agronomy. As always, the subjects covered are varied and exemplary of the myriad of subject matter dealt with by this long-running serial. Maintains the highest impact factor among serial publications in agriculture Presents timely reviews on important agronomy issues Enjoys a long-standing reputation for excellence in the field
Author : Jack E. Rechcigl
Publisher : CRC Press
Page : 522 pages
File Size : 48,9 Mb
Release : 1995-09-25
Category : Technology & Engineering
ISBN : 0873718593
This book presents a comprehensive and balanced overview of soil amendments and their effect on the environment. It encompasses both positive and negative aspects of chemical fertilizers that supply nitrogen, phosphorous, sulfur, lime, micronutrients, and trace metals. Pros and cons are discussed with respect to the optimal and the most environmentally sound use of soil amendments, and guidance is provided on how to minimize the environmental effects of amendments. Natural fertilizers, including manure, sludge, fly ash, phosphogypsum, and byproduct gypsum are also discussed. Alternative agronomic practices and biotechnology that ameliorate or minimize potential adverse effects of fertilizer use are examined in detail. This authoritative and up-to-date treatise is multidisciplinary in nature and international in scope, a powerful reference tool for researchers, a thorough guide for practitioners and policy makers, and an excellent text book for academic courses.
Author : W S Wilson,A S Ball,R H Hinton
Publisher : Elsevier
Page : 348 pages
File Size : 43,7 Mb
Release : 1999-01-01
Category : Technology & Engineering
ISBN : 9781845693206
This volume concentrates on research information on the beneficial effects of nitrates and their fate in the environment. Adopting an integrated approach it covers the agricultural, environmental and medical aspects of this emotive topic. In addition, there is an extensive description of the biochemistry of nitrates in plants, animals and humans including the positive aspects as well as the hazards.