geijn s c (22 Ergebnisse)

Gewicht in Gramm: 550 stempel auf vorsatz,ansonsten gut,schnitt etwas nachgedunkelt.

Zustand: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Clean from markings. In good all round condition. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,1000grams, ISBN:9783540667285.

Zustand: New. In.

Zustand: New.

Taschenbuch. Zustand: Neu. UV-B and Biosphere | Jelte Rozema (u. a.) | Taschenbuch | vi | Englisch | 2012 | Springer | EAN 9789401064118 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.

Gebunden. Zustand: New.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Current phase-out schedules of the production and emission of CFC's indicate that chlorine loading in the stratosphere is not yet at its maximum. The recovery of stratospheric ozone is estimated to take time and ele vated levels of UV-B radiation are expected to occur throughout most of the next century. Despite numerous physiological studies of UV-B effects on plants, often grown in climate chambers, knowledge of UV-B effects on organisms and processes in natural aquatic or terrestrial ecosystems is poor. Currently it appears that UV-B radiation is not just an environmental stress' factor to plants. In various ways, which are incompletely understood, UV-B affects a wide range of physiological and ecological processes. Remarkably, recent field studies indicate that enhanced UV-B does not markedly affect photosynthesis, growth and primary production, but rather interferes with plant morphogenesis and plant and ecosystem functions relating to the secondary metabolism. This special issue and book UV-B and Biosphere is an attempt to cover this range and to report the progress made in the research of ecological effects of enhanced solar UV-B radiation. The papers in this book formed the basis of an international workshop entitled' UV-B and Biosphere' , December 15-18, 1995, in Wageningen, The Netherlands. A first reaction of Hans de Boois on the number of papers and sessions scheduled from Friday to Sunday morning was: far too many.

Taschenbuch. Zustand: Neu. Root Methods | A Handbook | A. L. Smit (u. a.) | Taschenbuch | xiv | Englisch | 2010 | Springer | EAN 9783642086021 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.

Paperback. Zustand: Brand New. reprint edition. 327 pages. 10.24x7.68x0.74 inches. In Stock.

Zustand: Hervorragend. Zustand: Hervorragend | Seiten: 604 | Sprache: Englisch | Produktart: Bücher | Why a New Handbook on Root Methods? Uptake of water and nutrients is a key process in agricultural and natural ecosystems. Plant roots play a vital role in the supply of resources for growth, and yet we have a relatively poor understanding of how they function in the natural soil environment. Dr. B6hm began the Preface of his standard text on root research methods (B6hm 1979) with the comment: "Root research under natural jield conditions is a step-child of science. The reason for this is primarily methodological. The known methods are tedious, time-consuming and the accuracy of their results is of ten not very great". Although improvements have been made recently for some methods, working on roots is stiH tedious and time-consuming. Compared to some other disci­ plines, a root researcher requires a considerable budget for his or her work. It is for this reason that in root research careful planning, the choice of appro­ priate methods and also a clear idea of which root characteristic should be observed in relation to the goal of the research question are fundamental. Con­ sequently, it is recommended to make use of "root experience" developed else­ where as much as possible.

Zustand: New. This study summarizes the current status of knowledge related to effects of UV-B radiation on plant life, ranging from gene to ecosystem level. Responses to UV-B radiation of marine, fresh water and terrestrial ecosystem processes are covered. Editor(s): Rozema, J.; Gieskes, W.W.C. (State University of Groningen, The Netherlands); Geijn, S.C. van de; Nolan, C.; Boois, H. de. Series: Advances in Vegetation Science. Num Pages: 313 pages, biography. BIC Classification: PSAF; PSTS. Category: (P) Professional & Vocational. Dimension: 279 x 210 x 19. Weight in Grams: 9522. . 1997. Reprinted from PLANT ECOLOGY, 128:1-2, 1997. Hardback. . . . . Books ship from the US and Ireland.

Zustand: New. In.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Why a New Handbook on Root Methods Uptake of water and nutrients is a key process in agricultural and natural ecosystems. Plant roots play a vital role in the supply of resources for growth, and yet we have a relatively poor understanding of how they function in the natural soil environment. Dr. B6hm began the Preface of his standard text on root research methods (B6hm 1979) with the comment: 'Root research under natural jield conditions is a step-child of science. The reason for this is primarily methodological. The known methods are tedious, time-consuming and the accuracy of their results is of ten not very great'. Although improvements have been made recently for some methods, working on roots is stiH tedious and time-consuming. Compared to some other disci plines, a root researcher requires a considerable budget for his or her work. It is for this reason that in root research careful planning, the choice of appro priate methods and also a clear idea of which root characteristic should be observed in relation to the goal of the research question are fundamental. Con sequently, it is recommended to make use of 'root experience' developed else where as much as possible.

Zustand: New. In.

Buch. Zustand: Neu. Neuware - Current phase-out schedules of the production and emission of CFC's indicate that chlorine loading in the stratosphere is not yet at its maximum. The recovery of stratospheric ozone is estimated to take time and ele vated levels of UV-B radiation are expected to occur throughout most of the next century. Despite numerous physiological studies of UV-B effects on plants, often grown in climate chambers, knowledge of UV-B effects on organisms and processes in natural aquatic or terrestrial ecosystems is poor. Currently it appears that UV-B radiation is not just an environmental stress' factor to plants. In various ways, which are incompletely understood, UV-B affects a wide range of physiological and ecological processes. Remarkably, recent field studies indicate that enhanced UV-B does not markedly affect photosynthesis, growth and primary production, but rather interferes with plant morphogenesis and plant and ecosystem functions relating to the secondary metabolism. This special issue and book UV-B and Biosphere is an attempt to cover this range and to report the progress made in the research of ecological effects of enhanced solar UV-B radiation. The papers in this book formed the basis of an international workshop entitled' UV-B and Biosphere' , December 15-18, 1995, in Wageningen, The Netherlands. A first reaction of Hans de Boois on the number of papers and sessions scheduled from Friday to Sunday morning was: far too many.

Zustand: New. During the 4th ESA-Congress, held in the Netherlands, 7-11 July 1996, a new perspective for agronomy emerged. Various contributions demonstrate the need for a new role of agronomy and its tools. In recent decades, agriculture has evolved from an activity wi.

Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Why a New Handbook on Root Methods Uptake of water and nutrients is a key process in agricultural and natural ecosystems. Plant roots play a vital role in the supply of resources for growth, and yet we have a relatively poor understanding of how they function in the natural soil environment. Dr. B6hm began the Preface of his standard text on root research methods (B6hm 1979) with the comment: 'Root research under natural jield conditions is a step-child of science. The reason for this is primarily methodological. The known methods are tedious, time-consuming and the accuracy of their results is of ten not very great'. Although improvements have been made recently for some methods, working on roots is stiH tedious and time-consuming. Compared to some other disci plines, a root researcher requires a considerable budget for his or her work. It is for this reason that in root research careful planning, the choice of appro priate methods and also a clear idea of which root characteristic should be observed in relation to the goal of the research question are fundamental. Con sequently, it is recommended to make use of 'root experience' developed else where as much as possible.

Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - An international workshop on `CO2 and Biosphere' was held in Wageningen, the Netherlands on 15-19 November 1991 as part of the activities of the CO2 Commission of the Netherlands Organization for Scientific Research: this volume includes 32 papers presented at the workshop. The CO2 Commission stimulates and coordinates a broad range of research projects related to the greenhouse effect. This is reflected in the scope of papers presented, ranging from detailed analyses of ecological and physiological effects of atmospheric CO2 enrichment to biosphere-atmosphere aspects, such as regional evaporation, energy balance and ecosystem responses. Relevant directions for future research are indicated by presentations on carbon fluxes in the soil, secondary plant metabolism and plant-insect interactions.

Hardcover. Zustand: Brand New. 1st edition. 587 pages. 9.25x6.50x1.25 inches. In Stock.

Buch. Zustand: Neu. Neuware - During the 4th ESA-Congress, held in the Netherlands, 7-11 July 1996, a new perspective for agronomy emerged. Various contributions demonstrate the need for a new role of agronomy and its tools. In recent decades, agriculture has evolved from an activity with mainly productivity aims, into an issue conciliating environmental, agricultural, and economic and social objectives. Placing agriculture in such a broadened perspective requires a different agronomy, with new tools and approaches at a range of aggregration levels. It calls for detailed knowledge concerning the functioning, productivity and ecological relationships of agricultural plants and crops. In addition, it calls for a constant update and synthesis of existing and newly generated knowledge, the design of new ideotypes and genotypes, new production technologies, cropping systems, farming systems and agro-ecological land use systems.

Gebrocheerd met bijlagen (compleet), i.z.g.st.

paperback. Zustand: Gut. 236 Seiten; 9783834809490.3 Gewicht in Gramm: 500.