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Environmental Factors and Cultural Measures Affecting The Nitrate Content in Spinach
The present investigation was carried out in the period 1977-1981 at the Department of Soil Science and Plant Nutrition of the Agricultural University Wageningen, Netherlands. This university supplied the major financial sup port through a research grant, with additional financial support rendered by the Dutch Nitrogen Fertilizer Industry and Unilever Research, Netherlands. This support is gratefully acknowledged. In the present form this report is the author's doctoral dissertation submitted to the Faculty of the Agricul tural University. The author hereby wishes to thank prof. dr. ir. A. van Diest for his criti cal reading and correction of the English text, and drjr. J. H. G. Slangen for ...
Religion and the Conceptual Boundary in Central and Eastern Europe
This volume concentrates on the 'conceptual boundary' through Europe which is determined by Western and Eastern Christianity. The chapters show that the boundary has never been a stable and defined division, but that it was also subject to change and development and a place of encounter and exchange between religions and cultures.
Global Trade
None
The Utilization of Secondary and Trace Elements in Agriculture
Proceedings of a Symposium held in Geneva, January 12-16, 1987
