Haku
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Sprinkler irrigation on clay soils in southern Finland: III. Effect on the quality of grain yield
(Suomen maataloustieteellinen seura, 1967)
Sprinkler irrigation on clay soils in southern Finland: Effect on the grain yield of spring yereals
(Suomen maataloustieteellinen seura, 1967)
Influence of irrigation and nitrogen fertilization on grain yield and some baking quality characteristics of spring wheat
(Suomen maataloustieteellinen seura, 1975)