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This study presents a review of Polish and foreign literature on the effects of various factors on contents of glycoalkaloids in potato tubers. The level of glycoalkaloids in tubers depends on many factors, among which the most important are genetic variation and growth conditions, tuber injury, tuber size as well as immaturity. Among the most significant factors affecting contents of glycoalkaloids...
The current knowledge of calcium nutrition of apple trees is reviewed. In spite of high calcium content in soils and high potential of calcium uptake by apple trees, calcium deficiency is a causal factor for many disorders in apple fruits. Apical meristems and young growing fruits with rapid cell division show a high demand for calcium and depend on its continuous supply. Concurrent with a change...
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