Haku
Viitteet 1-2 / 2
Calcium nitrate and ammonium nitrate limestone as sources of nitrogen for oats and barley
(Suomen maataloustieteellinen seura, 1961)
The influence of seed size on emergence of seedlings and plant development in grain crops with special reference to seeeding depth
(Suomen maataloustieteellinen seura, 1963)