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Data producer	Project title, contact person and keywords		Duration
MTT	Effects of light intensity, soil and nutrient solution salinity to greenhouse tomato young plants, plant growth, yield and quality of fruits Bartosik Marja-Liisa Lycopersicon esculen, light, nitrogen, nutrient solutions, plant propagation, potassium, quality, soil		Completed 4 v.: 1985 - 1988
MTT	Fertilizing with Potassium of grassland for silage Huhta Harri fertilizer application, potassium, quality, silage		Completed 18 v.: 1973 - 1990
MTT	Nutrient requirements for glasshouse lettuce in soilless culture Jokinen Raili Lactuca sativa, calcium, chlorides, fertilizer application, nitrogen, potassium, yields		Completed 5 v.: 1989 - 1993
Metla	Peat nutrient regime and sustainable wood production on peatlands Kaunisto, Seppo amines, arginin, biotite, fertilization, foliar analysis, nutrient deficiency, nutrition, peatlands, potassium, radiocaesium, radionuclide, wood ash		Completed 39 v.: 1939 - 1997
MTT	Phosphorus, potassium and magnesium fertilization of potato Saarela Into fertilizer application, magnesium, phosphorus, potassium, potatoes		Completed 13 v.: 1980 - 1992
MTT	Plant availability of soil potassium and phosphorus reserves Saarela Into potassium, phosporus		Completed 1 v.: 2001 - 2001
MTT	Plowing straw into soil as reducient of need for potassium fertilization Saarela Into potassium, straw		Completed 11 v.: 1978 - 1988
MTT	Special problems connected to production and utilisation strategies of grass forage Joki-Tokola Erkki grass, grass quality, grasses, nitrogen, nitrogen fertilizer application, potassium, winter hardiness		Completed 5 v.: 1998 - 2002
MTT	Studies on potassium fertilization rates Saarela Into cereals, ley farming, nutrient uptake, potassium, soil testing		Completed 21 v.: 1977 - 1997
MTT	The importance of nutrient reserves in the subsoil as nutrient source of plants and taking them in account in the soil testing Ervi� Raimo Dactylis glomerata, calcium, clay soils, magnesium, plant nutrition, potassium, subsoil		Completed 3 v.: 1988 - 1990
MTT	The sward ultiration resistance on peat soils in Lapland Urvas Leila Phleum pratense, fertilization, manganese, peat, potassium, sulphur, zinc		Completed 8 v.: 1984 - 1991
MTT	Vertical movement of K in the cultivated peat soils Urvas Leila leaching, peat soils, potash fertilizers, potassium		Completed 6 v.: 1983 - 1988

Data producers