MODEL-CALCULATIONS FOR THE EFFECTS OF NITROGEN, PHOSPHORUS, AND POTASSIUM NUTRITION ON THE BEHAVIOR OF POTATO-TUBERS IN STORAGE
文献类型： 外文期刊
第一作者： KOLBE, H
作者： KOLBE, H;ZHANG, WL
作者机构：
关键词： SOLANUM TUBEROSUM L;NPK NUTRITION;TUBER WEIGHT LOSSES;CHEMICAL COMPOSITION CHANGES;VITAMIN-C
期刊名称：POTATO RESEARCH （ 影响因子：2.07； 五年影响因子：1.848 ）
ISSN： 0014-3065
年卷期： 1995 年 38 卷 1 期
页码：
收录情况： SCI
摘要： Empirical mathematical models are described for calculating the effects of varying supplies of nitrogen, phosphorus and potassium on pot and field grown tubers. Through optimization and simulation, potato tuber fresh and dry weight losses and chemical composition changes (ascorbic acid, citric acid, glucose, fructose, sucrose, nitrate) are calculated over a 6-month period of storage at 4 degrees C. The effects of variation in single nutrients as well as of increasing N fertilization on storage are calculated. Calculations giving the maximum vitamin C content at harvest and after storage indicate the nutrient supply required.
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