Weed Crop Competition

Author : Robert L. Zimdahl
Publisher : John Wiley & Sons
Page : 235 pages
File Size : 41,8 Mb
Release : 2007-11-19
Category : Technology & Engineering
ISBN : 9780470290101

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Weed-Crop Competition by Robert L. Zimdahl Pdf

For the past 20 years, the first edition of this text has been widely cited as authoritative academic reference. The latest edition continues the tradition set by the original book, and covers weed science research that has been published since 1980. This book aims to reduce the instance of research duplication—saving scientists and supporting institutions time and money. Not only does the second edition of Weed Crop Competition review, summarize, and combine current research; it critiques the research as well. This text has the potential to accelerate advancements in weed crop competition, which remains an important factor that affects crop yields. Scientists in foreign countries where access to literature is often limited or nonexistent, will find the information in this text invaluable. Weed scientists, crop scientists, plant ecologists, sustainable agriculturists, and organic agriculturists will be well-pleased with this long overdue and much needed new editionWeed Crop Competition provides a unique reference that reviews, summarises and synthesizes the literature published concerning research on this topic. The first edition has been one of the most frequently cited sources in weed science for the past 20 years. The second edition covers the significant body of literature that has been published since 1980. Originally intended to survey existing research, the intent of the book is to reduce the instance of research duplication, thus saving scientists and their institutions time and money, and expediting advancements in weed crop competition, an important factor affecting crop yields. Scientists in foreign countries where access to the literature is often limited or non-existent, find the information an invaluable resource. This long overdue and much needed new edition rejuvenates the tradition set by the original book.

Author : Martin J. Kropff,H. H. van Laar
Publisher : Int. Rice Res. Inst.
Page : 277 pages
File Size : 46,8 Mb
Release : 1993
Category : Science
ISBN : 9780851987453

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Modelling Crop-weed Interactions by Martin J. Kropff,H. H. van Laar Pdf

General introduction; Empirical models for crop-weed competition; Eco-physiological models for crop-weed competition; Mechanisms of competition for light; Mechanisms of competition for water; Mechanisms of competition for nitrogen; Eco-physiological characterization of the species; Understanding crop-weed interaction in field situation; The impact of environmental and genetic factors; Practical applications.

Author : Bhagirath Chauhan
Publisher : Elsevier
Page : 433 pages
File Size : 44,5 Mb
Release : 2021-09-04
Category : Science
ISBN : 9780128229354

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Biology and Management of Problematic Crop Weed Species by Bhagirath Chauhan Pdf

Weeds are the main biological constraint to crop production throughout the year. Uncontrolled weeds could cause 100% yield loss. In Australia, the overall cost of weeds to Australian grain growers was estimated at AU$ 3.3 billion annually. In terms of yield losses, weeds amounted to 2.7 million tonnes of grains at a national level. In the USA, weeds cost US$ 33 billion in lost crop production annually. In India, these costs were estimated to be much higher (US$ 11 billion). These studies from different economies suggest that weeds cause substantial yield and economic loss. Biology and Management of Problematic Weed Species details the biology of key weed species, providing vital information on seed germination and production, as well as factors affecting weed growth. These species include Chenopodium album, Chloris truncata and C. virgate, Conyza bonariensis and C. canadensis, Cyperus rotundus, and many more. This information is crucial for researchers and growers to develop integrated weed management (IWM) strategies. Written by leading experts across the globe, this book is an essential read to plant biologists and ecologists, crop scientists, and students and researchers interested in weed science. Provides detailed information on the biology of different key weed species Covers weed seed germination and emergence Presents the factors affecting weed growth and seed production

Author : Robert Zimdahl
Publisher : Academic Press
Page : 465 pages
File Size : 46,8 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780323149426

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Fundamentals of Weed Science by Robert Zimdahl Pdf

Fundamentals of Weed Science provides an introduction to the basic principles of weed science for undergraduate courses. It discusses several aspects of weed biology and control, and traces the history of herbicide development. The book begins with an introduction to weeds, covering their definition, characteristics, harmful aspects, and the cost of weed control. This is followed chapters on weed classification, the uses of weeds, weed biology, weed ecology, allelopathy, the significance of plant competition, weed management and control methods, and biological weed control. Later chapters deal with herbicidesthe most important weed control tools and the ones with the greatest potential for untoward effects. Students of weed science must understand herbicides and the factors governing their use as well as the potential for misuse. These chapters discuss chemical weed control, the properties and uses of herbicides, factors affecting herbicide performance, herbicide application, herbicide formulation, ecological impact of herbicides, pesticide registration and legislation, weed management systems, and the future of weed science.

Author : W. Holzner,M. Numata
Publisher : Springer
Page : 0 pages
File Size : 42,5 Mb
Release : 2010-12-25
Category : Science
ISBN : 904818519X

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Biology and ecology of weeds by W. Holzner,M. Numata Pdf

Weeds are a fascinating study for specialists, not only because of their economic importance, but also since in this case biology must be combined with history and agriculture (and its economic aspects). Thus, weed scientists may be concerned with pure basic research, concentrating on general aspects, or with applied science, i.e. having a practical orientation. One of the aims of this book is to create a synthesis between these two branches of study and to review the literature of both fields. The agrestals, the weeds of arable land ~ the most important group from an economic point of view ~ was chasen as the main topic. Other weed groups could only be mentioned briefly (e.g. grassland weeds), or superficially (e.g. aquatic weeds), or had to be omitted completely (e.g. ruderals, because they are so heterogeneous), to keep this volume to an acceptable size and price. Nevertheless, nearly all subsections of botanical science have been treated.

Author : Khawar Jabran,Bhagirath S. Chauhan
Publisher : Academic Press
Page : 172 pages
File Size : 40,5 Mb
Release : 2018-01-03
Category : Science
ISBN : 9780128098820

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Non-Chemical Weed Control by Khawar Jabran,Bhagirath S. Chauhan Pdf

Non-Chemical Weed Control is the first book to present an overview of plant crop protection against non-food plants using non-chemical means. Plants growing wild—particularly unwanted plants found in cultivated ground to the exclusion of the desired crop—have been treated with herbicides and chemical treatments in the past. As concern over environmental, food and consumer safety increases, research has turned to alternatives, including the use of cover crops, thermal treatments and biotechnology to reduce and eliminate unwanted plants. This book provides insight into existing and emerging alternative crop protection methods and includes lessons learned from past methodologies. As crop production resources decline while consumer concerns over safety increase, the effective control of weeds is imperative to insure the maximum possible levels of soil, sunlight and nutrients reach the crop plants. Allows reader to identify the most appropriate solution based on their individual use or case Provides researchers, students and growers with current concepts regarding the use of modern, environment-friendly weed control techniques Presents methods of weed management—an important part of integrated weed management in the future Exploits the knowledge gained from past sustainable weed management efforts

Author : Matt Liebman,Charles L. Mohler,Charles P. Staver
Publisher : Cambridge University Press
Page : 546 pages
File Size : 55,8 Mb
Release : 2001-07-19
Category : Science
ISBN : 9781139427241

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Ecological Management of Agricultural Weeds by Matt Liebman,Charles L. Mohler,Charles P. Staver Pdf

This book presents principles and practices for ecologically based weed management in a wide range of temperate and tropical farming systems. Special attention is given to the evolutionary challenges that weeds pose and the roles that farmers can play in the development of new weed-management strategies.

Author : Charles L. Mohler,Sue Ellen Johnson
Publisher : Natural Resource Agriculture and Engineering Service (Nraes)
Page : 156 pages
File Size : 53,7 Mb
Release : 2009
Category : Crop rotation
ISBN : 1933395214

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Crop Rotation on Organic Farms by Charles L. Mohler,Sue Ellen Johnson Pdf

Author : Robert E. L. Naylor
Publisher : John Wiley & Sons
Page : 432 pages
File Size : 41,7 Mb
Release : 2008-04-15
Category : Technology & Engineering
ISBN : 9780470750384

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Weed Management Handbook by Robert E. L. Naylor Pdf

Weed Management Handbook updates the 8th edition of Weed Control Handbook (1990). The change in the title and contents of the book from previous editions reflects both the current emphasis on producing crops in a sustainable and environmentally-friendly manner, and the new weed management challenges presenting themselves. This landmark publication contains cutting edge chapters, each written by acknowledged experts in their fields and carefully drawn together and edited by Professor Robert Naylor, known and respected world-wide for his knowledge of the area. The sequence of chapters included reflects a progression from the biology of weeds, through the underpinning science and technology relating to weed management techniques including herbicides and their application to crops, leading to principles of weed management techniques. Finally a set of relevant case studies describes the main management options available and addresses the challenges of reduced chemical options in many crops. Weed Management Handbook is a vital tool for all those involved in the crop protection / agrochemical industry, including business managers, horticultural and agricultural scientists, plant physiologists, botanists and those studying and teaching BASIS courses. As an important reference guide for undergraduate and postgraduate students studying horticultural and agricultural sciences, plant physiology, botany and crop protection, copies of the book should be available on the shelves of all research establishments and universities where these subjects are studied and taught. Weed Management Handbook is published for the British Crop Protection Council (BCPC) by Blackwell Publishing.

Author : Pejman Behdarvand,Kondiram Dhumal,Morteza Siavoshi
Publisher : LAP Lambert Academic Publishing
Page : 212 pages
File Size : 54,8 Mb
Release : 2013
Category : Electronic
ISBN : 3843360847

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Wheat-Weed Competition by Pejman Behdarvand,Kondiram Dhumal,Morteza Siavoshi Pdf

This book is an outcome of research carried out for 5 years at Department of Botany, University of Pune, India in association with Department of Agricultural and Natural Resources, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran. The research was focused on interspecific competition and allelopathic effects of wild mustard and wild oat on growth and productivity of wheat. The book encompasses six chapters. Chapter-I is focused on weed-crop competition and factors influencing weed competition. Chapter-II is highlighting the previous work on this aspect on different food grains crop including wheat. Chapter-III includes the various types of methodology used, experimental design, crop density, weed density and nitrogen levels applied. Chapter-IV is focused on results of the different field, pot and Phytoextract bioassay experiments. Chapter-V is devoted to discuss the results and probable morpho-physiological characteristics of wheat competition ability of wheat, wild mustard and wild oat influeced by various dosses of nitrogen fertilizer. Chapter-VI, summary and conclussion are given in nutshell in last chapter. This book will be a guidline for agro-physiologist and weed biologist

Author : Douglas Buhler
Publisher : CRC Press
Page : 314 pages
File Size : 50,7 Mb
Release : 2020-07-26
Category : Science
ISBN : 9781000156713

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Expanding the Context of Weed Management by Douglas Buhler Pdf

Presents innovative approaches to weeds and weed management. Expanding the Context of Weed Management is your key to the latest economically and environmentally friendly methods of managing weeds. You will explore the biological, cultural, mechanical, and preventive tools and techniques that are necessary to successfully manage weeds. Expanding the Context of Weed Management teaches you how to optimize your crop production and profit by integrating preventive techniques, scientific knowledge, and management skills into your current farming routine. This practical volume contains a series of review articles and original research that present innovative approaches to weeds and weed management. In its pages you will discover valuable and practical information about: how weeds can be considered a part of the cropping system instead of an isolated pest to beeliminated why weeds behave as they do short and long term approaches to changing weed management standard breeding methods for weed competitive crops how to improve soil quality to manage weeds how to integrate pest management for weeds how to avoid propagule production how to reduce weed emergence in crops how to minimize weed competition with the crop The costliness of weeds and weed control is more than $15 billion a year in the United States.Expanding the Context of Weed Management will help you cut this cost with the latest methods of effective weed control. Intended for agronomists, weed scientists, crop advisors, environmentalists, students, and crop ecologists,this book provides a successful and environmentally sound perspective on weeds and their control.

Author : Inderjit
Publisher : Springer Science & Business Media
Page : 550 pages
File Size : 53,8 Mb
Release : 2013-11-11
Category : Science
ISBN : 9789401705523

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Weed Biology and Management by Inderjit Pdf

Weeds hold an enigmatic and sometimes-controversial place in agriculture, where they are generally reviled, grudgingly tolerated, and occasionally admired. In most cases, growers make considerable effort to reduce the negative economic impact of weeds because they compete with crops for resources and hinder field operations, thereby affecting crop productivity and quality, and ultimately the sustainability of agriculture. Weed control in production agriculture is commonly achieved through the integration of chemical, biological, and mechanical management methods. Chemicals (herbicides) usually inhibit the growth and establishment of weed plants by interfering with various physiological and biochemical pathways. Biological methods include crop competition, smother crops, rotation crops, and allelopathy, as well as specific insect predators and plant pathogens. Mechanical methods encompass an array of tools from short handled hoes to sophisticated video-guided robotic machines. Integrating these technologies, in order to relieve the negative impacts of weeds on crop production in a way that allows growers to optimize profits and preserve human health and the environment, is the science of weed management.

Author : Thomas J. Monaco,Stephen C. Weller,Floyd M. Ashton
Publisher : John Wiley & Sons
Page : 688 pages
File Size : 48,6 Mb
Release : 2002-05-23
Category : Technology & Engineering
ISBN : 9780471274964

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Weed Science by Thomas J. Monaco,Stephen C. Weller,Floyd M. Ashton Pdf

The updated edition of the classic, fundamental book on weedscience Weed Science provides a detailed examination ofthe principles of integrated weed management with important detailson how chemical herbicides work and should be used. This revisedFourth Edition addresses recent developments affecting weedscience. These include the increased use of conservation-tillagesystems, environmental concerns about the runoff of agrochemicals,soil conservation, crop biotechnology, resistance of weeds andcrops to herbicides, weed control in nonagricultural settings andconcerns regarding invasive plants, wetland restoration, and theneed for a vastly improved understanding of weed ecology. Current management practices are covered along with guidance forselecting herbicides and using them effectively. To serve as a moreefficient reference, herbicides are cross-listed by chemical andbrand name and grouped by mechanism of action and physiologicaleffect rather than chemical structure. In addition, an introductionto organic chemistry has been added to familiarize readers withorganic herbicides. Also included are guidelines on weed-controlpractices for specific crops or situations, such as small grains,row crops, horticultural crops, lawns and turf, range land, brush,and aquatic plant life. Generously supplemented with 300 drawings, photographs, andtables, Weed Science is an essential book for students taking anintroductory course in weed science, as well as a reference foragricultural advisors, county agents, extension specialists, andprofessionals throughout the agrochemical industry.

Author : Jerry L. Hatfield,Thomas J. Sauer
Publisher : John Wiley & Sons
Page : 432 pages
File Size : 51,5 Mb
Release : 2020-01-22
Category : Technology & Engineering
ISBN : 9780891188537

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Soil Management by Jerry L. Hatfield,Thomas J. Sauer Pdf

Degradation of soils continues at a pace that will eventually create a local, regional, or even global crisis when diminished soil resources collide with increasing climate variation. It's not too late to restore our soils to a more productive state by rediscovering the value of soil management, building on our well-established and ever-expanding scientific understanding of soils. Soil management concepts have been in place since the cultivation of crops, but we need to rediscover the principles that are linked together in effective soil management. This book is unique because of its treatment of soil management based on principles—the physical, chemical, and biological processes and how together they form the foundation for soil management processes that range from tillage to nutrient management. Whether new to soil science or needing a concise reference, readers will benefit from this book's ability to integrate the science of soils with management issues and long-term conservation efforts.

Author : Steven R. Radosevich,Jodie S. Holt,Claudio Ghersa
Publisher : John Wiley & Sons
Page : 860 pages
File Size : 51,9 Mb
Release : 1997-02-05
Category : Gardening
ISBN : 0471116068

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Weed Ecology by Steven R. Radosevich,Jodie S. Holt,Claudio Ghersa Pdf

Weeds are successful plants, but on their own terms. Looking at weeds from an ecological viewpoint, emphasising the way in which one species interacts with others, the authors show that weeds are questionable mainly in that they are out-of-place.