Haku
Viitteet 1-3 / 3
Comparison of a bioassay and three chemical methods for determination of plant-available P in cultivated soils of Finland
(Suomen maataloustieteellinen seura, 1990)
Phosphate adsorption characteristics of two soils responding differently to P fertilization
(Suomen maataloustieteellinen seura, 1991)
Microbial phytase supplementation for improving availability of plant phosphorus in the diet of the growing pigs
(Suomen maataloustieteellinen seura, 1990)