Items where Author is "Madsen, Helena"

Number of eprints: 13.

Journal paper

Madsen, Helena; Talgre, Liina; Kuht, Jaan; Alaru, Maarika; Eremeev, Viacheslav; Maeorg, Erkki; Loit, Evelin and Luik, Anne (2020) Organic Cropping Systems do not Increase Weed Seed Numbers but do Increase Weed Diversity. Agricultural Research & Technology: Open Access Journal, 23 (4), pp. 44-51.

Eremeev, Viacheslav; Kuht, Jaan; Talgre, Liina; Alaru, Maarika; Madsen, Helena; Loit, Evelin and Luik, Anne (2019) Talinisu kasvuala mulla orgaanilise süsiniku, mikroobide aktiivsuse ja lämmastiku sisaldus erinevates viljelussüsteemides. [Soil organic carbon, microbial activity and nitrogen content of the winter wheat field depending on the cultivation system.] Teaduselt mahepõllumajandusele 2019, 4, pp. 15-21.

Madsen, Helena; Talgre, Liina; Eremeev, Viacheslav; Alaru, Maarika; Kauer, Karin and Luik, Anne (2016) Do green manures as winter cover crops impact the weediness and crop yield in an organic crop rotation? Biological Agriculture & Horticulture, 32 (3), pp. 182-191.

Madsen, Helena; Talgre, Liina; Eremeev, Viacheslav and Luik, Anne (2016) Pestitsiidid suruvad alla mulla mikroobide hüdrolüütilist aktiivsust. Eesti Taimekaitse 95, ., pp. 79-82.

Kuht, Jaan; Eremeev, Viacheslav; Talgre, Liina; Madsen, Helena; Toom, Merili; Maeorg, Erkki and Luik, Anne (2016) Soil weed seed bank and factors influencing the number of weeds at the end of conversion period to organic production. Agronomy Research, 14 (4), pp. 1372-1379.

Conference paper, poster, etc.

Talgre, Liina; Madsen, Helena; Eremeev, Viacheslav; Kuht, Jaan; Alaru, Maarika; Peetsmann, Elen and Luik, Anne (2018) Impact of winter cover crops on soil quality and weeds in organic cropping systems. Poster at: 6th International Conference on Organic Agriculture Sciences, Austria, 6-7 November 2018.

Madsen, Helena; Talgre, Liina; Eremeev, Vyacheslav; Alaru, Maarika; Maeorg, Erkki and Luik, Anne (2017) Winter cover crops decrease weediness in organic cropping systems. In: Aakkula, Jyrki; Hakala, Kaija; Huhta, Harri; Iivonen, Sari; Jurvanen, Ulla; Kreismane, Dzidra; Land, Anita; Lähdesmäki, Merja; Malingen, Matti; Mikkola, Minna; Nordlund-Othen, Janne; Nuutila, Jaakko; Peetsmann, Elen; Piskonen, Sirpa; Rasmussen, Ilse A.; Skulskis, Virgilijus; Tahvonen, Raija; Taskinen, Sirpa; Ullvén, Karin; Wibe, Atle and Wivstad, Maria (Eds.) NJF Seminar 495 - 4th organic Conference: Organics for tomorrow's food systems, 19 - 21 June 2017, Mikkeli, Finland, 13 (1), NJF Report, pp. 35-37.

Talgre, Liina; Madsen, Helena; Eremeev, Viacheslav; Alaru, Maarika; Reintam, Endla; Kahu, Greete; Loit, Evelin and Luik, Anne (2017) Winter cover crops improve soil properties in organic cropping systems. In: Aakkula, Jyrki; Hakala, Kaija; Huhta, Harri; Iivonen, Sari; Jurvanen, Ulla; Kreismane, Dzidra; Land, Anita; Lähdesmäki, Merja; Malingen, Matti; Mikkola, Minna; Nordlund-Othen, Janne; Nuutila, Jaakko; Peetsmann, Elen; Piskonen, Sirpa; Rasmussen, Ilse A.; Skulskis, Virgilijus; Tahvonen, Raija; Taskinen, Sirpa; Ullvén, Karin; Wibe, Atle and Wivstad, Maria (Eds.) NJF Seminar 495 - 4th organic Conference: Organics for tomorrow's food systems, 19 - 21 June 2017, Mikkeli, Finland, 13 (1), NJF Report, pp. 51-53.

Kuht, Jaan; Talgre, Liina; Madsen, Helena; Eremeev, Viacheslav; Loit, Evelin and Luik, Anne (2017) Kuidas talvised vahekultuurid mõjutavad mulla umbrohuseemnete sisaldust. In: Metspalu, Luule; Luik, Anne and Peetsmann, Elen (Eds.) Kogumik "Teaduselt mahepõllumajandusele 2017", 3, pp. 75-79.

Luik, Anne; Talgre, Liina; Madsen, Helena; Eremeev, Viacheslav and Loit, Evelin (2017) Maheviljelus koos talviste vahekultuuridega parandab ökosüsteemide teenuseid. [Organic cropping with winter cover crops improves ecosystem services.] In: Metspalu, Luule; Luik, Anne and Peetsmann, Elen (Eds.) Teaduselt mahepõllumajandusele, Tartu, 3, pp. 89-95.

Madsen, Helena; Talgre, Liina; Eremeev, Viacheslav; Sanches De Cima, Diego and Luik, Anne (2016) THE EFFECT OF FARMING SYSTEM ON SOIL MICROBIAL HYDROLYTICAL ACTIVITY. In: Bagdoniene, A (Ed.) Long-term Agroecosystem Sustainability: Links between Carbon Sequestration in Soils, Food Security and Climate Change..

Talgre, Liina; Eremeev, Viacheslav; Tein, Berit; Madsen, Helena and Luik, Anne (2016) Winter cover crops impact on plant nutrients in an organic crop rotation. In: 19th Nitrogen workshop. Efficient use of different sources of nitrogen in agriculture – from theory to practice., pp. 382-383.

Talgre, Liina; Eremeev, Viacheslav; Reintam, Endla; Tein, Berit; Sanchez de Cima, Diego; Madsen, Helena; Alaru, Maarika and Luik, Anne (2015) Talvised vahekultuurid parandavad mulda ja kultuuride saagikust. [Winter cover crops improve soil and crop yield.] In: Alaru, Maarika; Astover, Alar; Karp, Kadri; Viiralt, Rein and Must, Anne (Eds.) Agronoomia 2015, pp. 40-44.

This list was generated on Sat Aug 16 10:57:25 2025 CEST.