Haku
Viitteet 1-2 / 2
Effect of placement of fertilizer and sprinkler irrigation on the development of spring cereals on the basis of root investigations
(Suomen maataloustieteellinen seura, 1969)
Results from a soil improvement and fertilizing test on fen land at Leteensuo
(Suomen maataloustieteellinen seura, 1961)