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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 104212
Title Questions relevant to replanting in oil palm cultivation
show extra info.
door Jan Dirk Ferwerda
Author(s) Ferwerda, J.D.
Publisher Wageningen : Veenman
Publication year 1955
Description VIII, 101 p
Notes Proefschrift Wageningen
Tutors Coolhaas, Prof. Dr. Ir. C.
Graduation date 1955-04-29
Dissertation no. 194
Author abstract show abstract
A search is made for a sound replanting technique for oil palm plantations in the former Belgian Congo, by analysing the influences of the old stand and those of fertilizers on the development of young palms in replanted areas. The advantages of replanting over opening up of new areas are diminished by the greater chance of nutrient deficiency and other diseases. The benefits of retaining the old stand for a certain period of time are greatly reduced by the mortality of the young palms, their poor and slow vegetative development, their greater susceptibility to pests and diseases, the retarded beginning of their productive stage and the slow increase in production. The benefits of fertilizers for the young palms became evident during the second year after planting, but are slightly reduced as long as the old stand is retained.

There is a discussion of the effects of N, P, K, Mg, Ca, Cu, Mn, B, Zn, Ni, Co, and Mb in replanting experiments on a riverine sandy soil and a red latosol, especially their effects on chemical composition of leaves, number of male and female inflorescenses and fruit bunches. Various valuable improvements are advised in seed bed and nursery technique.

Online full textINTERNET
On paper FORUM ; STACKS ; NN08202,194
Keyword(s) (cab) elaeis guineensis / oil palms
Categories Oil Palms
Publication type PhD thesis
Language English
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