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.
The morphology and yearly development of the strawberry were described from the literature and from research, particularly those of the cv. Deutsch Evern in the Netherlands. In the successive chapters, the following subjects as influenced by season, temperature, light and humidity were treated separately: the formation of runners and the effect of removing them; the formation of leaves and lateral crowns, and the effect of removing flower clusters; the induction of the preprimordial flowering state, dependent on short days (SD) of 6, 8, 10 or 12 h for at least 6 days and mostly about 2 weeks; with 10_ to 15_C induction also after longer days; the inert state in autumn and the inhibited state in winter; the elongation of flower clusters (the longer the SD treatment during floral induction, the shorter the axis of flower clusters and the longer the flower stem); flowering and fruit set; fruit formation and harvest (in summer about 100 days between the start of SD treatment and fruit ripening).Descriptions were given of the general methods of culture. Finally followed a survey of existing methods and those developed by van den Muijzenberg from his experiences with temperature (heating, cold treatment) and light (SD treatment, LD treatment, artificial light supply). Eleven methods were described for different year periods, by different environments and environmental changes to get a year-round culture. Three methods of eliciting several yields a year were elaborated.
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