Leo Heikurainen 
Metsäojitustoiminta ja toimenpideraja.
Heikurainen L. (1973). Metsäojitustoiminta ja toimenpideraja. Silva Fennica vol. 7 no. 4 article id 4891. https://doi.org/10.14214/sf.a14729
English title: The profitability limit in forest drainage.Abstract
The study describes the relationships between a method developed by the author for the calculation of the profitability of forest drainage and the old biological method. The calculations were based on empirical data, and they aimed at finding out the effect of a variation in the profitability limit in the areas in hectares to be drained, and on the profitability of drainage. The study deals also with the profitability of present-day drainage activities. The results showed that the profitability coefficient (the ratio between the discounted increase in returns and the costs of drainage) averages 3.04 for the whole country. The corresponding value was 5.68 for Southern Finland, 3.19 for Central Finland and 1.67 for Northern Finland.
The PDF includes a summary in English.
Original keywords
ojituskelpoisuus;
kannattavuus;
turvemaat;
soiden ojitus;
menetelmät;
metsäojitusboniteetti
English keywords
profitability;
drainability;
draining of peatlands;
methods
Published in 1973
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