Haku
Viitteet 1-8 / 8
Split application of nitrogen: effects on the protein in spring wheat and fate of (15)N-labelled nitrogen in the soil-plant system
(Agricultural Research Centre, 1991)
Wood, bark, peat and coal ashes as liming agents and sources of calcium, magnesium, potassium and phosphorus
(Agricultural Research Centre, 1991)
Chemical properties of air-dried samples from an unlimed and limed acid sulphate soil profile and leaching of elements from the profiles
(Agricultural Research Centre, 1991)
Effect of clay soil strength and structure on root penetration and crop yield
(Agricultural Research Centre, 1991)
Effects of the addition of sulphate and phosphate on the leaching of selenite and selenate in acidic soils
(Agricultural Research Centre, 1991)
Sprinkler irrigation of field crops during rainy growing seasons
(Agricultural Research Centre, 1991)
Boron deficiency in barley
(Agricultural Research Centre, 1991)
Cadmium and sulphur contents of different plant species grown side by side
(Agricultural Research Centre, 1991)