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Zdroj: SlPK - Katalóg
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Autor-kód záznamu + druh.dok = "^spu_us_auth 0140445 xkni^"
- Response of determinate soybean cultivars to low pH soils / J.E. Board, A.G. Caldwell . Baton Rouge : Louisiana Agric. Exper. Station , 1991 . 22 s . [1, z toho požičaných 0]
- 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 . [1, z toho požičaných 0]
- Factors involved in soybean yield losses at nonoptimal planting times in Louisiana / J.E. Board, W. Hall . Louisiana : Louis. State Univ. , 1985 . 27 s . [1, z toho požičaných 0]