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Titlebook: Environmental Factors and Cultural Measures Affecting The Nitrate Content in Spinach; T. Breimer Book 1982 Martinus Nijhoff/Dr W. Junk Pub

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书目名称Environmental Factors and Cultural Measures Affecting The Nitrate Content in Spinach
编辑T. Breimer
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图书封面Titlebook: Environmental Factors and Cultural Measures Affecting The Nitrate Content in Spinach; T. Breimer Book 1982 Martinus Nijhoff/Dr W. Junk Pub
描述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 his valuable advices during the investigations and in the course of the preparation of this report. The au thor also acknowledges the valuable support received from several Agricultural Research Institutes and University Depart­ ments which made facilities and manpower available to conduct the ex­ periments and to transform the results obtained into the present report. Contents Preface / v Abstract / 1 List of ab breviations / 2 Introduction / 3 2 Literature / 6 2. 1 Nitrogen transformations
出版日期Book 1982
关键词agriculture; carbon; carr; chemical analysis; environment; formation; growth; herbicides; moisture; plants; re
版次1
doihttps://doi.org/10.1007/978-94-009-7687-0
isbn_softcover978-90-247-3053-7
isbn_ebook978-94-009-7687-0
copyrightMartinus Nijhoff/Dr W. Junk Publishers 1982
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Literature, This available N occurs mainly in the form of nitrate and ammonium. The major processes in soil which generate plant-available nitrogen can be identified as biological nitrogen fixation and ammonillcation, the latter being a process in the mineralisation of organic matter.
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Results of outdoor experiments,Table 12, part a). Yield increases diminished with higher dressings; but dressings of 150 and 200 kg N0.-N per ha gave invariably the highest fresh yields. Because of rainfall during or just before harvesting, in experiments 1B (final harvest), 4, 6 and 7, fresh yields were somewhat overestimated an
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Erratum to: Nitrogen nutrition and the ionic balance in spinach; results of the indoor experiments,ions at different rates, electroneutrality is achieved within the plant by accumulation or degradation of anions of organic acids [Hiatt, 1967; Jacobson & Ordin, 1954; Ulrich, 1941]. The difference between quantities of inorganic cations (C) and -anions (A) in the plant (C-A), henceforth referred to
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