Gutmane I.;Adamovich A.;
<正>Introduction Agro-climatic conditions have a very significant role in grass seed production.Hybrid ryegrass are intermediate line between perennial ryegrass and Italian ryegrass as regards growth parameters,productivity and resistance.In Baltic region hybrid ryegrass is not widely spread for the reason of unsatisfactory response to cold conditions(Adamovich,2004).
Festulolium;;Lolium x boucheanum;;seed production
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