Урожайность и содержание аскорбиновой кислоты в ягодах смородины черной, произрастающей в Якутии
2010
Gorokhova, O.G. | Chevychelov, A.P., Russian Academy of Sciences. Siberian Branch, Yakutsk (Russian Federation). Institute of Biological Problems of Cryolithozone | Korobkova, T.S., Russian Academy of Sciences (Russian Federation). Yakutsk Botanical Garden
Black currant local cultivar Algo (CA) and the ones of other regions Omskaya (CO) and Nadezhda (CN) were tested in 2008-2009. The effect of mineral and organic fertilizers on yields (YL) and a dynamics of cumulation of ascorbic acid (AA) were studied. The experiments were done in Yakutia under permafrost conditions. The fertilizers are applied in the follow patterns: 1) CA: control, without fertilizers; N90P60K60 kg/ha; N90P60K60 + humus (60 000 kg/ha); N90P60K60 + trace elements; 2) CO and CN: control, without fertilizers; N90P60K60. CA had the highest YL (2297-6350 g/bush). In 2008 it increased by 54% after the use of NPK + humus and id did by 41% after the use of NPK + microelements. The maximum YL of CA was fixed after the use of NPK + humus (3 547 g/bush) in 2008. CN had the highest yield increase after the use of NPK (39%). In 2009 the maximum YL (6.350 g/bush) of CA was fixed after the use of NPK + humus. Yield increase after the use of NPK was 15 and 10% for CO and CN respectively. The highest content of AA (183-215 mg/100 g) was determined in berries of CA. The maximum increase of AA content (50-52 mg/100 g, or 21-22%) was fixed in berries of CA after the use of NPK + humus. The conclusion has been made that the use of mineral macro- and micro fertilizers and mold can increase YL and a content of AA in berries of black currant grown on permafrost soils.
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