Поисковый запрос: (<.>A=Helenius, Juha$<.>) |
Общее количество найденных документов : 10
Показаны документы с 1 по 10
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1.
| Helenius Adoption of conservation headlands to finnish farming // Field Margins: Integr. Agr. and Conserv.. -Farnham, 1994.-С.191-196
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2.
| Effect of undersowing and green manuring on abundance of ground beetles (Coleoptera, Carabidae) in cereals // Acta zool. fenn., 1995, N 196.-С.156-159
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| Ruuska GIS analysis of change in an agricultural landscape in Central Finland // Agr. and Food Sci. Finl., 1996. Vol. 5, N 6.-С.567-576
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| Future education in ecological agriculture and food systems: A student-faculty evaluation and planning process // J. Sustainable Agr., 2000. Vol. 16, N 4.-С.49-69
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| Challenges in designing ecological agriculture education: A Nordic perspective on change // Amer. J. Alternat. Agr., 2001. Vol. 16, N 2.-С.89-95
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| Ground beetle (Coleoptera, Carabidae) diversity in Finnish arable land // Agr. and Food Sci. Finl., 2001. Vol. 10, N 3.-С.261-276
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| Tarmi Plant communities of field boundaries in Finnish farmland // Agr. and Food Sci. Finl., 2002. Vol. 11, N 2.-С.121-137
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| Helenius Plant size, nutrient composition and biomass produtivity of oats and faba bean in intercropping, and the effect of controlling Rhopalosmphum padi (Hom., Aphididae) on these properties // J. Agr. Sci. Finl., 1990. Vol. 62, N 1.-С.21-31
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| Helenius Conventional and organic cropping systems at Suitia VI: Insect populations in barley // J. Agr. Sci. Finl., 1990. Vol. 62, N 4.-С.349-355
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10.
| Holopainen Jarmo K. Gut contents of ground beetles (Col., Carabidae), and activity of these and other epigeal predators during on outbreak of Rhopalosiphum padi (Hom., Aphididae) // Acta Agr. Scand., 1992. Vol. 42, N 1.-С.57-61
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