Ecological Aspects of the Nutrition of Deschampsia Flexuosa (L.) Trin.: I. The Effect of Aluminium, Manganese and pH on Germination

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Abstract
The relation between the nutritional conditions of acid soils and the ecology of the calcifuge Deschampsia flexuosa has been investigated. In this first paper are described the effects on the germination of D. flexuosa and some other grasses of toxic factors known to operate in acid soils. The experiments were conducted in water culture, using a floating-raft technique, and the results showed that while high Al concentrations and low pH both delayed germination and development, high levels of Mn and the intermediate level of Al were stimulative in some respects. D. flexuosa proved to be the species most tolerant of low pH and excess Al.

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