Haku
Viitteet 1-10 / 17
Some extraction methods as indicators of need for phosphorus fertilization
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1986)
Kauran lannoituksesta : uudisviljelykokeiden tuloksia vuosilta 1947-61
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Wood, bark, peat and coal ashes as liming agents and sources of calcium, magnesium, potassium and phosphorus
(Agricultural Research Centre, 1991)
The dependence of yield increases obtained with phosphorus and potassium fertilization on soil test values and soil pH
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)
Fertility of different mire type groups
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1980)
Radiophosphorus used to follow root growth in field plantings of spring cereals
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Effect of liming on phosphorus fertilizer requirement in cereals and ley
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
Soil phosphorus test values obtained by acid ammonium acetate, water and resin extraction as predictors of phosphorus content in timothy (Phleum pratense L.)
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1979)
Fertilizer value of silage effluent
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1987)
Kalkin ja fosforilannoitteiden samanaikaisen käytön vaikutuksesta niiden tehoon
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1964)