The efficiency of time and temperature driven regulation principles in plants at the beginning of the active period.

by Häkkinen, Risto, Hari, Pertti
Published 1988-01-01

Rate of photosynthesis of some forest mosses as a function of temperature and light intensity and effect of water content of moss cushion on photosynthetic rate.

by Kellomäki, Seppo, Hari, Pertti
Published 1976-01-01

Effect of foliar application with acid mist on the photosynthesis of potassium-deficient Scots pine seedlings.

by Nygren, Pekka, Hari, Pertti
Published 1992-01-01

Eco-physiological studies on young Scots pine stands. I. Tree class as indicator of needle biomass, illumination and photosynthetic capacity of crown system

by Kellomäki, Seppo, Hari, Pertti
Published 1980-01-01

Eco-physiological studies on young Scots pine stands. III.

by Mäkelä, Annikki, Hari, Pertti, Kellomäki, Seppo
Published 1980-01-01

An electronic auxanometer for field use.

by Hari, Jyrki, Hari, Pertti, Kanninen, Markku
Published 1978-01-01

Annual growth level of some plant species as a function of light available for photosynthesis.

by Väisänen, Eero, Hari, Pertti, Kellomäki, Seppo
Published 1977-01-01

Effect of fertilization and thinning on radial growth of Scots pine.

by Haapanen, Tapani, Hari, Pertti, Kellomäki, Seppo
Published 1979-01-01

Annual production of some forest mosses as a function of light available for photosynthesis.

by Kellomäki, Seppo, Hari, Pertti, Väisänen, Eero
Published 1977-01-01

Comparison of an optimal stomatal regulation model and a biochemical model in explaining CO2 exchange in field conditions

by Aalto, Tuula, Hari, Pertti, Vesala, Timo
Published 2002-01-01

Eco-physiological studies on young Scots pine stands. II.

by Kellomäki, Seppo, Hari, Pertti, Ilonen, Pirkko, Kanninen, Markku
Published 1980-01-01

Inherent growth rythm of some Larix-species grown in a plastic greenhouse.

by Koskimäki, Antti, Hari, Pertti, Kanninen, Markku, Kellomäki, Seppo
Published 1979-01-01

A field system for measuring the gas exchange of forest trees.

by Hari, Pertti, Korpilahti, Eeva, Pohja, Toivo, Räsänen, Pentti
Published 1990-01-01

Production of structural matter by a plant community in successional environment.

by Kellomäki, Seppo, Hari, Pertti, Kauppi, Pekka, Väisänen, Eero
Published 1977-01-01

On distribution of growth in crown system of young Scots pine stands.

by Ilonen, Pirkko, Hari, Pertti, Kanninen, Markku, Kellomäki, Seppo
Published 1979-01-01

On control of daily structural matter production in population of Avenella flexuosa (L.) Parl.

by Lehtonen, Irja, Hari, Pertti, Kellomäki, Seppo, Väisänen, Eero
Published 1977-01-01

A new approach for measuring light inside the canopy in photosynthesis studies

by Hari, Pertti, Huhtamaa, Mikko, Pelkonen, Paavo, Pohjonen, Veli, Salminen, Raimo
Published 1976-01-01

Utilizing a multipoint measuring system of photosynthetically active radiation in photosynthetic studies within canopies

by Palva, Lauri, Garam, Eero, Palmroth, Sari, Sepponen, Raimo, Hari, Pertti
Published 1998-01-01

Trees as a water transport system.

by Hari, Pertti, Heikinheimo, Pirkko, Kaipiainen, Leo, Korpilahti, Eeva, Mäkelä, Annikki, Samela, Juha
Published 1986-01-01

Challenges and opportunities of the optimality approach in plant ecology

by Mäkelä, Annikki, Givnish, Thomas, Berninger, Frank, Buckley, Thomas, Farquhar, Graham, Hari, Pertti
Published 2002-01-01