Effects of nutritional status on the drought resistance in Norway spruce

The nutritional status and the tolerance of a 25-30 year old Norway spruce to drought is studied by examining the flushing of new shoots and needle loss. Several treatments are considered: ammonium sulphate (NS), N-free fertiliser (V), and combinations of ammonium sulphate and drought and N-free fer...

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Veröffentlicht in:	Water, air and soil pollution air and soil pollution, 1995-01, Vol.85 (3), p.1739-1744
Hauptverfasser:	Rosengren-Brinck, U, Nihlgard, B
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions ammonium sulfate Biological and medical sciences conifer needles drought tolerance Fundamental and applied biological sciences. Psychology General agronomy. Plant production growth mineral content nitrogen content Nitrogen fertilization Nitrogen, phosphorus, potassium fertilizations nutrient availability nutrient content nutrient uptake nutrient-nutrient interactions nutrients nutritional status Picea abies shoots Soil-plant relationships. Soil fertility. Fertilization. Amendments trace element fertilizers trace elements
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Beschreibung
Zusammenfassung:	The nutritional status and the tolerance of a 25-30 year old Norway spruce to drought is studied by examining the flushing of new shoots and needle loss. Several treatments are considered: ammonium sulphate (NS), N-free fertiliser (V), and combinations of ammonium sulphate and drought and N-free fertiliser and drought (VD). Results reveal that nutrient status affected drought resistance. An evidence to this is the differences in the flushing of new shoots rather than changes in nutrient ratios in the needles.
ISSN:	0049-6979 1573-2932
DOI:	10.1007/BF00477231