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Author: D. C. Whitehead
Publisher: CABI
ISBN: 9780851999388
Category : Medical
Languages : en
Pages : 392
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Book Description
This book is an essential reference source covering the chemical elements that are nutrients for plants or grazing animals. It deals with the concentrations and transformations of these elements in soils, grassland plants, and ruminant animals, particularly cattle and sheep. For each element, the following data are given: forms occurring in soil, factors that affect availability and concentration, uptake and distribution in grassland plants, role in animal nutrition, amounts and forms excreted by grazing animals, and concentrations needed by ruminant animals.
Author: D. C. Whitehead
Publisher: CABI
ISBN: 9780851999388
Category : Medical
Languages : en
Pages : 392
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Book Description
This book is an essential reference source covering the chemical elements that are nutrients for plants or grazing animals. It deals with the concentrations and transformations of these elements in soils, grassland plants, and ruminant animals, particularly cattle and sheep. For each element, the following data are given: forms occurring in soil, factors that affect availability and concentration, uptake and distribution in grassland plants, role in animal nutrition, amounts and forms excreted by grazing animals, and concentrations needed by ruminant animals.
Author: S.C. Jarvis
Publisher: BRILL
ISBN: 9086865569
Category : Science
Languages : en
Pages : 116
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Book Description
This book brings together two aspects of grassland soil management which, by and large, have hitherto been considered separately. Issues related to nutrient cycling and soil quality have dominated research directed towards aiding broad and local scale policy issues for improving land use. Protecting the environment and maintaining/preserving natural habitats and biodiversity, tend to be considered separately. In this book we attempt to bring what are, in reality, inseparable aspects of grassland soil characteristics together and consider physical, chemical and biological components of soils, their interrelations and the way that they influence nutrient transformations and flows and soil quality. Keynote discussions will be lead by the following experts: Physical constraints and drivers: Professor Iain Young, Abertay University, Scotland Biological aspects: Professor Tim Seastedt, University of Colorado at Boulder, USA Chemical aspects: Dr Mike Beare from Crop and Food, Research, Lincoln New Zealand Over-arching synopsis of these issues: Professor Richard Bardgett, Lancaster University, UK. Bringing together international expertise and experience does much to progress understanding and points ways forward to maintain what is a base resource, our soils, whether it be for production targets, environmental benefit or for maintenance of natural ecosystems for future generations. This volume is useful to all those interested in soils and their function, and all grassland managers, whether their aims are directed at producing food, forage or fibre of sustainable quantity and quality or at maintaining, restoring or encouraging above and below ground biodiversity. The international perspective on this is very important so that experiences in wide ranging circumstances can be cross-referenced and used to the advantage of all.
Author: Brian S. Coulter
Publisher:
ISBN: 9781841702469
Category : Pastures
Languages : en
Pages : 67
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Book Description
Author: W. G. Braakhekke
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 180
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Book Description
Competition experiments in the field show that Plantago lanceolata and Chrysanthemum leucanthemum occupy partly different niches in time. The yield of P. lanceolata decreased after two years, probably by senescence and auto-inhibition. The reaction of C. leucanthemum to this caused high Relative Yield Total (RYT), but there was no equilibrium.
Author: Jon Newton
Publisher:
ISBN:
Category : Grasses
Languages : en
Pages : 138
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Book Description
Unique guide written by a recognised authority on the subject. Grass is the most important feed for cattle and sheep. The central theme is that organic grassland can be a productive source of nutrients for livestock provided it is managed correctly. Essential for organic farmers and for those converting to organic systems of production.
Author: Kenneth J. Moore
Publisher: John Wiley & Sons
ISBN: 1119436613
Category : Technology & Engineering
Languages : en
Pages : 968
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Book Description
Forages: The Science of Grassland Agriculture, 7th Edition, Volume II will extensively evaluate the current knowledge and information on forage agriculture. Chapters written by leading researchers and authorities in grassland agriculture are aggregated under section themes, each one representing a major topic within grassland science and agriculture. This 7th edition will include two new additional chapters covering all aspects of forage physiology in three separate chapters, instead of one in previous editions. Chapters will be updated throughout to include new information that has developed since the last edition. This new edition of the classic reference serves as a comprehensive supplement to An Introduction to Grassland Agriculture, Volume I.
Author: Wilfried Ehlers
Publisher: Cabi
ISBN: 9781780643823
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
"Meagre water supply causes severe problems in the growth of plants, which rely on sufficient water transmitted by the soil to meet their needs. This new edition of Water Dynamics in Plant Production describes the basic scientific principles of water transport in the soil-plant-atmosphere continuum, explains the linkage between transpirational water use and dry matter production paying particular attention to the various agronomic strategies for adaptation to climate-driven limitations of water resources"--Publisher's website.
Author: Jian Feng Ma
Publisher: Elsevier
ISBN: 0080525768
Category : Technology & Engineering
Languages : en
Pages : 294
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Book Description
Silicon (Si) plays a significant role in the resistance of plants to multiple stresses including biotic and abiotic stresses. Silicon is also the only element that does not damage plants when accumulated in excess. However, the contribution of Si to plant growth has been largely ignored due to its universal existence in the earth's crust. From numerous intensive studies on Si, initiated in Japan about 80 years ago, Japanese scientists realized that Si was important for the healthy growth of rice and for stability of rice production. In a worldwide first, silicon was recognized as a valuable fertilizer in Japan. The beneficial effects of Si on rice growth in particular, are largely attributable to the characteristics of a silica gel that is accumulated on the epidermal tissues in rice. These effects are expressed most clearly under high-density cultivation systems with heavy applications of nitrogen. Si is therefore recognized now as an ''agronomically essential element'' in Japan.Recently, Si has become globally important because it generates resistance in many plants to diseases and pests, and may contribute to reduced rates of application of pesticides and fungicides. Silicon is also now considered as an environment-friendly element. The achievements of Si research in Japan are introduced in this book, in relation to soils, fertilizers and plant nutrition.
Author: Robert T. Coupland
Publisher: Cambridge University Press
ISBN: 9780521218672
Category : Nature
Languages : en
Pages : 444
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Book Description
Background; The nature of grassland; Problems in studying grassland ecosystems; Natural temperate grasslands; Semi-natural temperate meadows and pastures; Tropical grasslands; Arable grasslands; Croplands.
Author: David Charles Whitehead
Publisher:
ISBN:
Category : Animal nutrition
Languages : en
Pages : 100
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Book Description
