Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 334136
Title Irrigation and nitrogen use efficiency of Thuja occidentalis grown on sandy soils
Author(s) Pronk, A.A.
Source Wageningen University. Promotor(en): Oene Oenema, co-promotor(en): Ep Heuvelink. - [S.I.] : S.n. - ISBN 9789085041177 - 130
Department(s) Agrosystems
Sub-department of Soil Quality
ATV Farm Technology
Soil Biology
Horticultural Supply Chains
Publication type Dissertation, internally prepared
Publication year 2004
Keyword(s) thuja occidentalis - watergebruiksrendement - irrigatie - groei - plantenkwekerijen - zandgronden - stikstof - stikstofmeststoffen - thuja occidentalis - water use efficiency - irrigation - growth - nurseries - sandy soils - nitrogen - nitrogen fertilizers
Categories Ornamental Woody Plants
Abstract A combined conifer growth - soil water and nitrogen balance model was calibrated to simulate dry mass production and partitioning, water and nitrogen demand and nitrogen losses for Thuja occidentalis grown for two years on a sandy soil. Light interception was successfully described by the row-of-cuboids method. A diffusion model was used to describe fine root growth. The combined model was used to explore nitrogen losses under irrigation and fertilization strategies for optimal dry mass production. Irrigation was frequently necessary for optimal dry mass production and depended highly on the actual weather conditions. The recommended fertilizer applications were sufficient. Nitrogen losses always exceed the European nitrate N-limit in the year of planting and by 80% in the second growing season when optimal irrigated and fertilized for dry mass production. Therefore, additional measures are necessary to develop conifer cropping systems on sandy soils within the framework of the EU nitrate-N limit.
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