The effects of different cultivation intensity on size and chemical composition of tubers in potato cv. Ania
Franciszek Borówczak
agro@up.poznan.plKatedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu (Poland)
Katarzyna Rębarz
Katedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu (Poland)
Abstract
In experiments carried out in 1997–2000 the influence of irrigation, cultivation technology and nitrogen fertilization on size and chemical composition of potato tubers was investigated. Both irrigation and cultivation technologies of the higher input increased the share of tubers exceeding 6 cm in diameter. The yields of tubers with a diameter above 4 cm and 6 cm increased with increasing nitrogen doses up to 120 kg/ha and 60 kg/ha in the irrigated and non-irrigated fields, respectively. The highest tuber yields in these fractions were obtained when the high-input technology was applied. The factors analyzed markedly influenced the content of starch, protein, nitrogen, fibre, ash and potassium in tubers.
Keywords:
chemical composition, cultivation technologies, irrigation, nitrogen fertilization, potatoes, tuber sizeReferences
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Authors
Franciszek Borówczakagro@up.poznan.pl
Katedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu Poland
Authors
Katarzyna RębarzKatedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu Poland
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