Modelling Herbicide and Nitrogen Effects on Crop-weed Competition

Modelling Herbicide and Nitrogen Effects on Crop-weed Competition PDF Author: Do-Soon Kim
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Modelling Herbicide and Nitrogen Effects on Crop-weed Competition

Modelling Herbicide and Nitrogen Effects on Crop-weed Competition PDF Author: Do-Soon Kim
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description


Modelling Crop-weed Interactions

Modelling Crop-weed Interactions PDF Author: Martin J. Kropff
Publisher: Int. Rice Res. Inst.
ISBN: 0851987451
Category : Science
Languages : en
Pages : 277

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Book Description
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.

Weed-Crop Competition

Weed-Crop Competition PDF Author: Robert L. Zimdahl
Publisher: John Wiley & Sons
ISBN: 0470290102
Category : Technology & Engineering
Languages : en
Pages : 235

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Book Description
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.

Non-Chemical Weed Control

Non-Chemical Weed Control PDF Author: Khawar Jabran
Publisher: Academic Press
ISBN: 0128098821
Category : Science
Languages : en
Pages : 174

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Book Description
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

Ecological Management of Agricultural Weeds

Ecological Management of Agricultural Weeds PDF Author: Matt Liebman
Publisher: Cambridge University Press
ISBN: 1139427245
Category : Science
Languages : en
Pages : 546

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Book Description
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.

Weed Biology and Management

Weed Biology and Management PDF Author: Inderjit
Publisher: Springer Science & Business Media
ISBN: 9401705526
Category : Science
Languages : en
Pages : 550

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Book Description
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.

The Changing Status of Arable Habitats in Europe

The Changing Status of Arable Habitats in Europe PDF Author: Clive Hurford
Publisher: Springer Nature
ISBN: 3030598756
Category : Nature
Languages : en
Pages : 361

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Book Description
This edited volume documents the current nature conservation status of arable habitats in Europe. Arable farming systems have evolved in the European landscape over more than ten thousand years and now occupy nearly 30% of the European land area. They support species that have life cycles closely synchronised with traditional cereal growing, many of which have experienced massive declines throughout Europe. For example, in Britain, of the 100 plant species exhibiting the greatest declines in the latter half of the 20th century, 47 were typical of arable land. Despite this the habitat and many of the species associated with it remains unprotected across much of Europe. The 22 chapters cover a range of topics, including: · Regional accounts describing the impact of changing agricultural practices on the arable flora; · The results of research and surveillance projects on the soil organisms, bryophyte flora, invertebrate fauna and pollinators of arable habitats; · The potential for designing multifunctional and resilient agricultural landscapes; The use of ex situ conservation to aid the reintroduction of rare arable plants; · Case studies illustrating how changing agricultural practices have impacted on bird populations in Europe; · The roles of remote sensing in monitoring agricultural systems; · How agri-environment schemes can help restore the biodiversity in arable habitats; and · A look forward at ways to help ensure the future security of the species associated with arable habitats. It is clear that the biodiversity of arable land throughout Europe has undergone major changes, particularly during the second half of the 20th century, and that these changes are continuing into the 21st century. We need to develop a deeper appreciation of farmland wildlife and its integration into farming systems to ensure its future security in a world where value is increasingly expressed in terms of material profit. This book is particularly relevant to practitioners, policy-makers and managers working in the fields of nature conservation, agri-environment schemes and land management, and to researchers working in the fields of conservation biology, terrestrial ecology, nature conservation, applied ecology, biodiversity, agriculture, agricultural ethics and environmental studies.

Diagnosis of the Nitrogen Status in Crops

Diagnosis of the Nitrogen Status in Crops PDF Author: Gilles Lemaire
Publisher: Springer Science & Business Media
ISBN: 3642606849
Category : Technology & Engineering
Languages : en
Pages : 240

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Book Description
Providing a link between theoretical and applied aspects of plant nutrition and agriculture, this book introduces new concepts in plant nutrition. It shows how these can be applied in order to assess the nitrogen status in crops and to improve nitrogen nutrition through optimized N fertilization management. In this way economic benefits can be obtained, while at the same time preventing detrimental effects on the environment. The main agricultural crops - grasses, wheat, barley, Durum wheat, maize, sorghum, grain legumes and potatoes - are covered. The book will be an invaluable source for agronomists.

The economics of biological invasions

The economics of biological invasions PDF Author: Charles Perrings, Silvana Dalmazzone, Mark Herbert Williamson
Publisher: Edward Elgar Publishing
ISBN: 1781008647
Category : Business & Economics
Languages : en
Pages : 263

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Book Description
'An interesting book catering perhaps for a more specific audience. It does however provide a somewhat new view of the problems of the field of biological invasions and is worth the effort.' - Ann Sundqvist, M2 Best Books 'Once again, Charles Perrings and colleagues have broken new ground by applying economic and ecological analysis to the very real problem of biological invasions. This is path-breaking work in what promises to be a new sub-discipline within environmental economics.' - David Pearce, University College London, UK Biological invasions - the introduction of living organisms beyond their original range - are one of the main drivers of biodiversity loss. They are a major threat to human health and a source of pests and pathogens in the world's farms, forests and fisheries. The growth of international trade and travel means that more species are being introduced to more places than ever before. This book represents the first concerted effort to understand the economic causes and consequences of biological invasions. The volume discusses the theoretical and methodological issues raised by invasion, including control strategies, modelling options, and a study of the economic, institutional and policy conditions that predispose countries to biological invasions. Also included are case studies of fisheries, agricultural systems, tropical forests and protected areas affected by invasive species in locations such as the Black Sea, Australia and Africa, and an evaluation of control programmes.

Improving Weed Management and Crop Productivity in Maize Systems in Zimbabwe

Improving Weed Management and Crop Productivity in Maize Systems in Zimbabwe PDF Author: Arnold Bray Mashingaidze
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 216

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Book Description
Span lang=EN-GB style='mso-ansi-language:EN-GB'It was concluded that cultural weed management techniques that enhance radiation capture by the crop were effective in suppressing weed growth and seed production and increasing crop yields and should be incorporated into smallholder farmer's production practices in a systematic manner as part of Integrated Weed Management and cropping system design.