Download or read book Economic Contribution of French Serradella Ornithopus Sativus Brot Pasture to Integrated Weed Management in Western Australian Mixed Farming Systems written by Graeme J. Doole and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sowing phases of French serradella (Ornithopus sativus Brot.) pasture between extended cropping sequences in the Western Australian wheatbelt can sustain grain production through restoring soil fertility and reducing selective herbicide use. The objective of this article is to investigate the profitability of rotations involving this pasture under a variety of weed management scenarios to obtain greater insight into its value for mixed farming systems in this region. A stochastic search procedure, compressed annealing, is used to identify profitable sets of weed management strategies in a simulation model representing a large number of potential combinations of chemical and non-chemical forms of weed control. In contrast to a continuous-cropping sequence, the inclusion of a serradella phase in a rotation is profitable at high weed densities and with increasing levels of herbicide resistance. A single year of pasture in the rotation is optimal if resistance to Group A selective herbicides is present at the beginning of the planning horizon, but a three-year phase is required if resistance to multiple herbicide groups is observed. Sowing a serradella pasture twice over a two-year phase is also shown to be economically attractive given benefits of successive high weed kills.
Download or read book Decision Support Systems for Weed Management written by Guillermo R. Chantre and published by Springer Nature. This book was released on 2020-07-31 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weed management Decision Support Systems (DSS) are increasingly important computer-based tools for modern agriculture. Nowadays, extensive agriculture has become highly dependent on external inputs and both economic costs, as well the negative environmental impact of agricultural activities, demands knowledge-based technology for the optimization and protection of non-renewable resources. In this context, weed management strategies should aim to maximize economic profit by preserving and enhancing agricultural systems. Although previous contributions focusing on weed biology and weed management provide valuable insight on many aspects of weed species ecology and practical guides for weed control, no attempts have been made to highlight the forthcoming importance of DSS in weed management. This book is a first attempt to integrate `concepts and practice’ providing a novel guide to the state-of-art of DSS and the future prospects which hopefully would be of interest to higher-level students, academics and professionals in related areas.
Download or read book Advances in Agronomy written by and published by Academic Press. This book was released on 2012-12-31 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Download or read book Value of Perennial Pasture Phases in Dryland Agricultural Systems of the Eastern central Wheat Belt of Western Australia written by Graeme John Doole and published by . This book was released on 2007 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past thirty years, price relativities and technological development have motivated an increase in the area of land allocated to cropping, as opposed to pasture production, throughout the central wheat belt of Western Australia. Nevertheless, reducing the proportion of pasture in these rotations has challenged the future productivity of farming systems in this area. First, the frequent application of selective herbicides for weed control in extended cropping rotations has promoted the development of herbicide resistance in a number of major agricultural weeds. Second, the primary use of annual plants has promoted the development of soil salinisation by allowing a significant proportion of rainfall to recharge saline water tables. The inclusion of perennial pasture phases between extended periods of cropping may mitigate or delay these constraints to production through (a) allowing the use of costeffective forms of non-selective weed control, and (b) through creating a buffer of dry soil that absorbs leakage occurring beneath subsequent crops. This study consequently explores the value of including perennial pasture phases in dryland agricultural systems in the eastern-central wheat belt of Western Australia, accounting for benefits related to herbicide resistance and water table management. A novel computational algorithm for the solution of multiple-phase optimal control problems is developed and used to conduct a conceptual analysis of the value of lucerne (Medicago sativa L.) pasture for managing annual ryegrass (Lolium rigidum Gaudin), the primary weed in wheat belt cropping systems. The competitiveness and fecundity of annual ryegrass provide strong economic incentives to maintain a low weed population, irrespective of herbicide-resistance status. Consequently, the ineffectiveness of selective herbicides primarily reduces the profitability of cropping by motivating the adoption of more costly non-selective forms of weed control. The inclusion of lucerne in land-use rotations is only optimal in the presence of severe herbicide resistance given (a) the low efficiency of alternative weed-management practices available during the pasture phase, relative to selective-herbicide application; (b) the significant cost of establishing this perennial pasture; and (c) the high relative profitability of cereal production in the absence of resistance. The value of lucerne, relative to annual pastures, for weed management is explored in greater detail through the use of compressed annealing to optimise a sophisticated simulation model. The profitability of candidate rotations is also manipulated to account for the long-term production losses accruing to the recharge of saline groundwaters that occurs beneath them. Sequences incorporating lucerne are only more profitable than those that include annual pasture at the standard set of parameter values if (a) annual ryegrass is resistant to all selective herbicides, (b) the water table is so shallow (approximately less than 3.5 m deep) that frequent rotation with perennials is required to avert soil salinisation, or (c) sheep production is highly profitable. The value of perennial pasture is sufficient under these circumstances to overcome its high establishment cost. Consistent with intuition, these benefits are reinforced by lower discount rates and higher rates of leakage occurring beneath annual-based systems. Formulation of an effective communication strategy to report these results to producers is justified given the complexity involved in determining the true magnitude of these intertemporal benefits through alternative means, such as field trials.
Download or read book Economic Benefits to the Farmer of Maintaining and Protecting Remnant Native Vegetation on Farms in South west of Western Australia written by Evonne Richmond and published by . This book was released on 1992 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1987 with total page 1314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Economic Analysis of the Australian Lucerne Seed Industry written by and published by . This book was released on 2008 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scaling Up and Out Achieving Widespread Impact through Agricultural Research written by Douglas Pachico and published by CIAT. This book was released on 2004 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Molecular Breeding of Forage Crops written by German Spangenberg and published by Springer Science & Business Media. This book was released on 2001-03-31 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 2nd International Symposium, Molecular Breeding of Forage Crops, Lorne and Hamilton, Victoria, Australia, November 19-24, 2000
Download or read book Functional Foods and Nutraceuticals written by Chukwuebuka Egbuna and published by Springer Nature. This book was released on 2020-08-24 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional foods and nutraceuticals are food products that naturally offer or have been modified to offer additional health benefits beyond basic nutrition. As such products have surged in popularity in recent years, it is crucial that researchers and manufacturers understand the concepts underpinning functional foods and the opportunity they represent to improve human health, reduce healthcare costs, and support economic development worldwide. Functional Foods and Nutraceuticals: Bioactive Components, Formulations and Innovations presents a guide to functional foods from experienced professionals in key institutions around the world. The text provides background information on the health benefits, bioavailability, and safety measurements of functional foods and nutraceuticals. Subsequent chapters detail the bioactive components in functional foods responsible for these health benefits, as well as the different formulations of these products and recent innovations spurred by consumer demands. Authors emphasize product development for increased marketability, taking into account safety issues associated with functional food adulteration and solutions to be found in GMP adherence. Various food preservation methods aimed at enhancing the quality and shelf life of functional food are also highlighted. Functional Foods and Nutraceuticals: Bioactive Components, Formulations and Innovations is the first of its kind, designed to be useful to students, teachers, nutritionists, food scientists, food technologists and public health regulators alike.
Download or read book Plant Plant Allelopathic Interactions written by Udo Blum and published by Springer Science & Business Media. This book was released on 2011-02-18 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: In an effort to implement conservation measures farmers have used a variety of production methods, including the use of reduced or zero tillage and cover crops. One benefit of these production methods has been early season weed control. The literature suggests that a variety of mechanisms may be involved, among them the allelopathic effects of phenolic acids. This retrospective analysis addresses the following: How likely are phenolic acid concentrations and environmental conditions in wheat no-till cropping systems for the inhibition of annual broadleaf weed emergence? and Do phenolic acids have a dominant role or are they just one component of a larger promoter/modifier/inhibitor complex? The book covers allelopathic plant-plant interactions, laboratory and field experiments, and future research. It uses a journal format, provides justifications for procedures used, if-then hypotheses, and cons and pros so that readers can reach their own conclusions.
Download or read book Australian Agriculture written by Ted Henzell and published by CSIRO PUBLISHING. This book was released on 2007 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on the technologies that the farmers and graziers actually used, this book follows the history of each of the major commodities of groups of commodities to the end of the 20th century, grain crops, sheep and wool, beef and dairy, wine and others. Issues facing agriculture as it enters the 21st century are also discussed.
Download or read book How Plants Communicate with their Biotic Environment written by Guillaume Becard and published by Academic Press. This book was released on 2017-03-17 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: How Plants Communicate with Their Biotic Environment addresses how plants perceive the presence of organisms (other plants, microbes, insects and nematodes) living in their proximity, how they manage to be attractive when these organisms are friendly, and how they defend themselves from foes. Specific chapters delve into ecology and defense mechanisms, allelopathy and the role of allelochemicals in plant defense, plant signaling, and plant communication with microbes and animals, including herbivores. In addition, the book presents discussions on communication and its role in plant pollination. This comprehensive resource presents tactics that can be taken from the lab, to the bench, to the forest. - Gathers, under a common general outline, a comprehensive knowledge issued from distinct scientific communities - Combines three life science disciplines, including ecology, evolutionary biology, and molecular biology - Addresses a topical subject as the natural biological processes described represent basic knowledge that help develop low input sustainable agriculture - Written by renowned scientists in their field
Download or read book Legumes in Cropping Systems written by Donal Murphy-Bokern and published by Cabi. This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on contributions from members of the Legumes Future research consortium and complemented by articles from other research teams, this book provides a comprehensive overview of knowledge relevant to developing legume-supported cropping systems in Europe. It reflects the growing interest in using legumes to improve cropping and the current debate over the imbalance in European systems where the low use of legumes has caused concern in the agricultural policy community. This book supports informed debate and decision-making that addresses the associated challenges. Legumes in Cropping Systems presents current knowledge on this subject across 15 coordinated chapters. Each chapter addresses a specific aspect of legume cropping and provides insight into the relevant literature to help support understanding and explore the underlying processes that influence cropping system development. This book includes coverage of: · the role of legumes in cropping systems; · the role of legumes in European protein supplies; · environmental effects of grain and forage legumes; · current status of the major grain and forage legume crops; · economic effects; and · policy development. Written by an international team of expert authors and presented in full-colour throughout, this book is an invaluable resource for researchers in agronomy and crop sciences, agricultural professionals, policy makers, and students.
Download or read book Genetics Genomics and Breeding of Cool Season Grain Legumes written by Marcelino Perez de la Vega and published by CRC Press. This book was released on 2011-09-26 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cool season grain legumes including pea, faba bean, lentil, chickpea, and grass pea are extensively grown in many parts of the world. They are a primary source of proteins in human diet. This volume deals with the most recent advances in genetics, genomics, and breeding of these crops. The "state of the art" for the individual crops differs; howeve
Download or read book The Search for Wild Relatives of Cool Season Legumes written by Gideon Ladizinsky and published by Springer. This book was released on 2015-04-07 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of origin and domestication of legumes described in this book emerged when it became apparent that while this kind of information is adequate for cereals, the pulses lagged behind. At the end of the 1960s the senior author initiated a study on the chickpea's wild relatives followed by similar attempts for broad bean, fenugreek, common vetch, bitter vetch, and lentil. The junior author joined the project in the late 1980s with a study of the genetics of interspecific hybrid embryo abortion in lentil and later has extensively investigated chickpea domestication and wild peas. While this book mainly describes our research findings, pertinent results obtained by others are also discussed and evaluated. Studying the wild relatives of legumes included evaluation of their taxonomic status, their morphological variation, ecological requirements, exploration of their distribution, and seed collection in their natural habitats. Seeds were examined for their protein profile as preliminary hints of their affinity to the cultigens and plants grown from these seeds were used for establishing their karyotype, producing intra- and interspecific hybrids and analyses of their chromosome pairing at meiosis and fertility. The aim of these investigations was the identification of the potential wild gene pool of the domesticated forms. Assessment of genetic variation among accessions, particularly in the genus Lens, was made by isozymes and chloroplast DNA studies. The main findings include the discovery of the chickpea wild progenitor; studies of lentil in three crossability groups; wild peas proceeded in two lines of study; faba bean and fenugreek and their wild progenitors have not yet been identified; common vetch and its related form were treated here as an aggregate (A. sativa); we found gene flow between members of different karyotypes is possible; bitter vetch and its relation to the domesticated form were established by breeding experiments.
Download or read book Integral Design written by Cees Leeuwis and published by . This book was released on 1999 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt:
