Library Catalogue

Library Catalogue

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    Union Catalogue of Agricultural Libraries in the Netherlands

    The WUR Library Catalogue contains bibliographic data on books and periodicals held by the libraries of Wageningen University and Research Centre and some 15 associated libraries. Holding data are added to each record.

    Subjects covered include Agrotechnology, Food and Food Production, Plant and Animal Sciences, Soil Science, Geo-information, Landscape and Spatial Planning, Water and Climate, Ecosystem Studies, Economics and Society.

    The joint collections of the participating libraries cover a substantial part of the internationally available scientific literature in these disciplines.

    As far as Dutch scientific literature in these fields is concerned, coverage can be considered near 100%, including much of the so-called "grey literature".

    All titles are entered in their original language. Keywords are added to facilitate subject searching.

    The database is updated every day and now contains over 830.000 records.

Record number 104747
Title The epidermal resistance to diffusion of water vapour : an improved measuring method and field results in Indian corn (Zea mays)
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[by] C.J. Stigter
Author(s) Stigter, C.J.
Publisher Wageningen : Pudoc
Publication year 1974
Description 26 p.
Notes Proefschrift Wageningen
Ook verschenen als handelsuitgave
ISBN 9022005445
Tutors Schenk, Prof. Dr. Ir. J. ; Wit, Prof. Dr. Ir. C.T. de
Graduation date 1974-11-21
Dissertation no. 603
Author abstract show abstract
The resistance of the epidermis of the leaf to diffusion of water vapour can be measured most accurately in the field by closed diffusion porometers. It was possible to overcome the problems related to calibration and to dynamical use of a LiCl humidity sensor in the porometer. The dynamic behaviour could be represented by one calibration volume provided a special measuring scheme is applied. Presence or absence of device influence on the opening situation of the stomata is demonstrated. Measurements on corn leaves yielded permitted clamping times of 1½ to 2 minutes. All sunlit places of corn leaves, sampled throughout a dense crop on a moist soil, showed on the average a basic equality in resistance. Sampling shaded places separately this equality was also found in the average reaction of resistance to different light density levels.
Online full textINTERNET
On paper FORUM ; STACKS ; NN08202,603
FORUM ; STACKS ; NN08200,603
Keyword(s) (cab) botany / data collection / emission / estimation / leaves / maize / measurement / recording / water vapour / Zea mays
Categories Maize / Transport Phenomena
Publication type PhD thesis
Language English
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