Conventional and organic cropping systems at Suitia VI: Insect populations in barley

by Juha Helenius
Published 1990-09-01

Plant size, nutrient composition and biomass productivity of oats and faba bean in intercropping, and the effect of controlling Rhopalosiphum padi (Hom., Aphididae) on these proper...

by Juha Helenius
Published 1990-01-01

Plant size, nutrient composition and biomass productivity of oats and faba bean in intercropping, and the effect of controlling Rhopalosiphum padi (Hom., Aphididae) on these proper...

by Juha Helenius
Published 1990-01-01

GIS analysis of change in an agriculture landscape in Central Finland

by Riitta Ruuska, Juha Helenius
Published 1996-12-01

Trade Imports Increasingly Contribute to Plant Nutrient Inputs: Case of the Finnish Food System 1996–2014

by Tuure Parviainen, Juha Helenius
Published 2020-01-01

Yield, its components and pest incidence in mixed intercropping of oats (Avena sativa) and field beans (Vicia faba)

by Juha Helenius, Päivi Ronni
Published 1989-01-01

Co-creating Agroecological Symbioses (AES) for Sustainable Food System Networks

by Juha Helenius, Juha Helenius, Juha Helenius, Sophia E. Hagolani-Albov, Sophia E. Hagolani-Albov, Kari Koppelmäki, Kari Koppelmäki, Kari Koppelmäki
Published 2020-11-01

Orange wheat blossom midge, Sitodiplosis mosellana (Géhin) (Dipt., Cecidomyidae), on wheat in Finland

by Juha Helenius, Jyrki Tomminen, Reijo Björkbacka
Published 1984-12-01

Changes in the invasion level, and impact of alien plants in Finnish semi-natural agricultural habitats

by Miia Jauni, Juha Helenius, Terho Hyvönen
Published 2012-06-01

<i>AquaCrop</i>-Simulated Response of Sorghum Biomass and Grain Yield to Biochar Amendment in South Sudan

by Mike Starr, Biar Deng, Juha Helenius
Published 2020-01-01

Composition and properties of Finnish honey and their dependence on the season, region, bee race and botanical origin

by Anna-Liisa Varis, Juha Helenius, Kari Koivulehto
Published 1983-09-01

Pollen spectrum of Finnish honey 

by Anna-Liisa Varis, Juha Helenius, Kari Koivulehto
Published 1982-12-01

Smart integration of food and bioenergy production delivers on multiple ecosystem services

by Kari Koppelmäki, Marjukka Lamminen, Juha Helenius, Rogier P. O. Schulte
Published 2021-05-01

Effects of meat bone meal as fertilizer on yield and quality of sugar beet and carrot

by Jukka Kivelä, Lin Chen, Susanna Muurinen, Pirjo Kivijärvi, Veikko Hintikainen, Juha Helenius
Published 2015-06-01

Cattle Production for Exports in Water-Abundant Areas: The Case of Finland

by Elina Lehikoinen, Tuure Parviainen, Juha Helenius, Mika Jalava, Arto O. Salonen, Matti Kummu
Published 2019-02-01

Climate change adaptation in arable land use, and impact on nitrogen load at catchment scale in northern agriculture

by Katri Rankinen, Pirjo Peltonen-Sainio, Kirsti Granlund, Hannu Ojanen, Mikko Laapas, Kaija Hakala, Kalle Sippel, Juha Helenius, Martin Forsius
Published 2013-10-01