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Seppo Kellomäki

Typpilannoituksen vaikutus havupuiden fotosynteesikapasiteettiin.

Kellomäki S. (1978). Typpilannoituksen vaikutus havupuiden fotosynteesikapasiteettiin. Silva Fennica vol. 12 no. 3 article id 5006. https://doi.org/10.14214/sf.a14860

English title: Effects of nitrogen fertilization on photosynthetic capacity of coniferous trees.


The effect of nitrogen fertilizers on the photosynthetic capacity of conifers is assessed on the basis of literature. The review emphasizes the role of changes of needle mass as a factor affecting the result of nutrient application. In particular, the increase in needle mass results in a considerable increase in photosynthetic capacity. The effect of fertilization on the photosynthetic rate seems to be of minor importance. The effect on the photosynthetic rate is, however, poorly documented as is the case for the effect of fertilization on the respiration rate. There is evidence that proper application of nitrogen fertilizers may double the photosynthetic capacity of conifers, mainly as a result of increase in needle mass.

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Original keywords
fotosynteesikapasiteetti; neulasmassa; typpilannoitus; lannoitus; havupuut

English keywords
photosynthetic capacity; coniferous trees; needle mass; nitrogen fertilization; biomass

Published in 1978

Available at https://doi.org/10.14214/sf.a14860 | Download PDF

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