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This volume contains the Proceedings of the International
Conference on Effects of Crop Rotation on Potato Production in the
Temperate Zones. This conference was held in the International
Agricultural Centre at Wageningen, The Netherlands, August 14 - 19,
1988, under the auspices of the European Association for Potato
Research (EAPR), the Potato Association of America (PAA) and the
Dutch National Council for Agricultural Research (NRLO). The length
of rotations affect the performance of potato crops and yields are
often reduced if rotations are too short. The kinds of crops within
a rotation will also affect potato performance, especially those
grown in the previous season. It was a major aim of the conference
to bring together specialists of various disciplines to examine
these determinants of potato yield. The Organizing Committee is
glad that all relevant aspects of the theme are highlighted in
these proceedings. The contents of the contributions are primarily
left to the responsibility of the authors. J. Vos C.D. van Loon
G.J. Bollen ORGANIZATION OF THE CONFERENCE The European Association
for Potato Research (EAPR) and the Potato Association of America
(PAA) nominated representatives in the Conference Committee. PAA
was represented by prof. dr E.E. Ewing (Ithaca, USA) and by dr R.E.
Thornton (Pullman, USA); EAPR was represented by prof. dr J.C.
Holmes (Edinburgh, UK), ir C.D. van Loon (Lelystad, NL), and dr ir
J. Vos (chairman; Wageningen, NL).
W. French Anderson, M.D. The publication of this book comes at an
opportune time for the young field of human gene therapy. After a
decade of long struggle at the laboratory bench and many long hours
under the harsh lights of the federal review process, gene therapy
has emerged as a legitimate scientific discipline. It is now time
to move away from the period of questioning whether gene therapy
will be a useful part of the physician armamentarium to begin to
actively teach the concepts and practices that make gene therapy a
reality. This book is a comprehensive collection of chapters that
describe the basic biology and potential application of viruses as
gene transfer reagents. It is not a coincidence that a modified
virus was the reagent used in the first human gene therapy trials.
Viruses have evolved with the human species (and most likely with
all forms of life) to be the masters of gene transfer.
Functional-structural plant models (FSPMs) describe in quantitative
terms the development over time of the three-dimensional (3D)
structure of plants as governed by physiological processes and
affected by environmental factors. FSPMs are particularly suited to
analyse problems in which the spatial structure of the plant or its
canopy is an essential factor to explain, e.g., plant competition
(intra-plant, inter-plant, inter-species) and the effects of plant
configuration and plant manipulation (e.g., pruning and harvesting)
on yield and produce quality.
This book describes the philosophy of functional-structural
plant modelling and several tools for making FSPMs; it outlines
methods for measuring essential parameters, including those
pertaining to plant structure. As FSPMs offer new opportunities to
model sinka "source interactions, the physiological theory and
modelling approaches regarding partitioning of carbon are given
specific attention. Examples of application of FSPMs include wheat
modelling in the context of remote sensing and the analysis of
predatora "prey insect interactions on glasshouse plants.
The book will be useful for scientists and advanced students
interested in innovative approaches in plant and crop
modelling.
W. French Anderson, M.D. The publication of this book comes at an
opportune time for the young field of human gene therapy. After a
decade of long struggle at the laboratory bench and many long hours
under the harsh lights of the federal review process, gene therapy
has emerged as a legitimate scientific discipline. It is now time
to move away from the period of questioning whether gene therapy
will be a useful part of the physician armamentarium to begin to
actively teach the concepts and practices that make gene therapy a
reality. This book is a comprehensive collection of chapters that
describe the basic biology and potential application of viruses as
gene transfer reagents. It is not a coincidence that a modified
virus was the reagent used in the first human gene therapy trials.
Viruses have evolved with the human species (and most likely with
all forms of life) to be the masters of gene transfer.
This volume contains the Proceedings of the International
Conference on Effects of Crop Rotation on Potato Production in the
Temperate Zones. This conference was held in the International
Agricultural Centre at Wageningen, The Netherlands, August 14 - 19,
1988, under the auspices of the European Association for Potato
Research (EAPR), the Potato Association of America (PAA) and the
Dutch National Council for Agricultural Research (NRLO). The length
of rotations affect the performance of potato crops and yields are
often reduced if rotations are too short. The kinds of crops within
a rotation will also affect potato performance, especially those
grown in the previous season. It was a major aim of the conference
to bring together specialists of various disciplines to examine
these determinants of potato yield. The Organizing Committee is
glad that all relevant aspects of the theme are highlighted in
these proceedings. The contents of the contributions are primarily
left to the responsibility of the authors. J. Vos C.D. van Loon
G.J. Bollen ORGANIZATION OF THE CONFERENCE The European Association
for Potato Research (EAPR) and the Potato Association of America
(PAA) nominated representatives in the Conference Committee. PAA
was represented by prof. dr E.E. Ewing (Ithaca, USA) and by dr R.E.
Thornton (Pullman, USA); EAPR was represented by prof. dr J.C.
Holmes (Edinburgh, UK), ir C.D. van Loon (Lelystad, NL), and dr ir
J. Vos (chairman; Wageningen, NL).
Functional-structural plant models describe in quantitative terms
the development over time of the three-dimensional structure of
plants as governed by physiological processes and affected by
environmental factors. FSPMs are particularly suited to analyse
problems in which the spatial structure of the plant or its canopy
is an essential factor to explain, e.g., plant competition and the
effects of plant configuration and plant manipulation on yield and
produce quality. This book describes the philosophy of FSPM and
several tools for making FSPMs; it outlines methods for measuring
essential parameters, including those pertaining to plant
structure. As FSPMs offer new opportunities to model sink-source
interactions, the physiological theory and modelling approaches
regarding partitioning of carbon are given specific attention. The
book will be useful for scientists and advanced students interested
in innovative approaches in plant and crop modelling.
This Is A New Release Of The Original 1902 Edition.
Translated From The Dutch By Bert J. Vos, Associate Professor Of
German In The Johns Hopkins University.
Translated From The Dutch By Bert J. Vos, Associate Professor Of
German In The Johns Hopkins University.
Translated From The Dutch By Bert J. Vos, Associate Professor Of
German In The Johns Hopkins University.
Translated From The Dutch By Bert J. Vos, Associate Professor Of
German In The Johns Hopkins University.
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