Plant factors involved in seed yield increases in narrow-row determinate soybean / J.E. Board, B.G. Harville, A.M. Saxton. -- Baton Rouge : Louisiana Agric. Exper. Station, 1991. -- 22 s. : 11 tab. -- (Bulletin No. 826). sója * sejba úzkoriadková * semenárstvo sóje