Search Results - "Juha Helenius"

Biochar application to a fertile sandy clay loam in boreal conditions: effects on soil properties and yield formation of wheat, turnip rape and faba bean by Tammeorg, Priit, Simojoki, Asko, Mäkelä, Pirjo, Stoddard, Frederick L., Alakukku, Laura, Helenius, Juha

“…Background and aims We studied the effect of different biochar (BC) application rates on soil properties, crop growth dynamics and yield on a fertile sandy…”
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Co-creating Agroecological Symbioses (AES) for Sustainable Food System Networks by Helenius, Juha, Hagolani-Albov, Sophia E., Koppelmäki, Kari

“…Critics of modern food systems argue for the need to shift from a consolidated and concentrated, often monoculture based agro-industrial model toward…”
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Challenges and opportunities when moving food production and consumption toward sustainable diets in the Nordics: a scoping review for Nordic Nutrition Recommendations 2023 by Meltzer, Helle Margrete, Eneroth, Hanna, Erkkola, Maijaliisa, Trolle, Ellen, Fantke, Peter, Helenius, Juha, Olesen, Jørgen Eivind, Saarinen, Merja, Maage, Amund, Ydersbond, Trond Arild

“…The terms 'Nordic countries' or 'The Nordics' include the five countries Denmark, Finland, Island, Norway, and Sweden. This review includes evaluation of the…”
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Climate Change Impacts and Adaptation in a Hill Farming System of the Himalayan Region: Climatic Trends, Farmers’ Perceptions and Practices by Khem Raj Dahal, Piyush Dahal, Raj Kumar Adhikari, Veera Naukkarinen, Dinesh Panday, Niranjan Bista, Juha Helenius, Buddhi Marambe

“…Farming communities in the hills and mountains of the Himalayan region are some of the most vulnerable to the changing climate, owing to their specific…”
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AquaCrop-Simulated Response of Sorghum Biomass and Grain Yield to Biochar Amendment in South Sudan by Starr, Mike, Deng, Biar, Helenius, Juha

“…The dependency on rainfed agriculture and weak adaptability of the agricultural sector to climate change threaten food security in Sub-Saharan Africa (SSA)…”
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Smart integration of food and bioenergy production delivers on multiple ecosystem services by Koppelmäki, Kari, Lamminen, Marjukka, Helenius, Juha, Schulte, Rogier P. O.

“…Agriculture is expected to feed an increasing global population while at the same time meeting demands for renewable energy and the supply of ecosystem…”
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Effects of meat bone meal as fertilizer on yield and quality of sugar beet and carrot by Kivelä, Jukka, Chen, Lin, Muurinen, Susanna, Kivijärvi, Pirjo, Hintikainen, Veikko, Helenius, Juha

“…Meat and bone meal (MBM) is a by-product of the meat industry and is an important pathway for recycling of N and P. MBM contains about 8% N, 5% P, 1% K and 10%…”
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Climate change adaptation in arable land use, and impact on nitrogen load at catchment scale in northern agriculture by Rankinen, Katri, Peltonen-Sainio, Pirjo, Granlund, Kirsti, Ojanen, Hannu, Laapas, Mikko, Hakala, Kaija, Sippel, Kalle, Helenius, Juha, Forsius, Martin

“…Prolongation of the growing season due to a warming climate could represent new opportunities for northern agriculture. Climatic and biotic constraints may…”
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Changes in the invasion level, and impact of alien plants in Finnish semi-natural agricultural habitats by Jauni, Miia, Helenius, Juha, Hyvönen, Terho

“…Using dataset of 508 transects of 50 m2, we assessed changes in the invasion level of alien plant species in semi-natural agricultural habitats in three study…”
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Nested circularity in food systems: A Nordic case study on connecting biomass, nutrient and energy flows from field scale to continent by Koppelmäki, Kari, Helenius, Juha, Schulte, Rogier P.O.

“…Although a circular economy promotes economic and environmental benefits, knowledge gaps remain surrounding the application of these concepts to food systems…”
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Carbon footprint and energy use of recycled fertilizers in arable farming by Kyttä, Venla, Helenius, Juha, Tuomisto, Hanna L.

“…The globally growing demand to produce more food with fewer inputs, less energy, and lower greenhouse gas (GHG) emissions challenges current agricultural…”
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Corrigendum to Nested circularity in food systems: A Nordic case study on connecting biomass, nutrient and energy flows from field scale to continent by Koppelmäki, Kari, Helenius, Juha, Schulte, Rogier P.O.

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Agricultural drainage ditches, their biological importance and functioning by Herzon, Irina, Helenius, Juha

“…We reviewed studies on the biological state of agricultural drainage ditches in the temperate and boreal zones of the Northern Hemisphere. We looked at the…”
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Short-term effects of biochar on soil properties and wheat yield formation with meat bone meal and inorganic fertiliser on a boreal loamy sand by Tammeorg, Priit, Simojoki, Asko, Mäkelä, Pirjo, Stoddard, Frederick L., Alakukku, Laura, Helenius, Juha

“…•Biochar effects on soil properties and yield formation of wheat were studied.•5 levels of biochar were applied with or without inorganic fertiliser or meat…”
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Effects of biochar on earthworms in arable soil: avoidance test and field trial in boreal loamy sand by Tammeorg, Priit, Parviainen, Tuure, Nuutinen, Visa, Simojoki, Asko, Vaara, Elina, Helenius, Juha

“…•Earthworms significantly avoided biochar after 14 days incubation.•The cause for the avoidance was possibly related to a slight decline in soil water…”
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Environmental fallows as a new policy tool to safeguard farmland biodiversity in Finland by Toivonen, Marjaana, Herzon, Irina, Helenius, Juha

“…► Novel agri-environment fallowing scheme in Finland was assessed for biodiversity values. ► The meadow fallow type held the highest number of vascular plant…”
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Effects of Acacia seyal and biochar on soil properties and sorghum yield in agroforestry systems in South Sudan by Deng, Biar, Tammeorg, Priit, Luukkanen, Olavi, Helenius, Juha, Starr, Mike

“…We studied the effects of Acacia seyal Del. intercropping and biochar soil amendment on soil physico-chemical properties and sorghum ( Sorghum bicolor L.)…”
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Ecological intensification by integrating biogas production into nutrient cycling: Modeling the case of Agroecological Symbiosis by Koppelmäki, Kari, Parviainen, Tuure, Virkkunen, Elina, Winquist, Erika, Schulte, Rogier P.O., Helenius, Juha

“…There is growing demand to produce both food and renewable energy in a sustainable manner, while avoiding competition between food and energy production. In…”
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Impacts of edge density of field patches on plant species richness and community turnover among margin habitats in agricultural landscapes by Ma, Maohua, Hietala, Reija, Kuussaari, Mikko, Helenius, Juha

“…► Effects of edge density index of field patches on plant species diversity of margin habitats were studied. ► Values of edge density index used in this study…”
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Correlations in species richness between taxa depend on habitat, scale and landscape context by Ekroos, Johan, Kuussaari, Mikko, Tiainen, Juha, Heliölä, Janne, Seimola, Tuomas, Helenius, Juha

“…Biodiversity indicators are assumed to reflect changes in e.g. species richness of multiple taxa, but correlations in species richness between taxa have often…”
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