Residual effects of irrigation, haulm destruction and nitrogen fertilization on yielding potential of seed-potatoes
Tomasz Maciejewski
agro@up.poznan.plKatedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu (Poland)
Jerzy Szukała
Katedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu (Poland)
Stanisław Grześ
Katedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu (Poland)
Abstract
The importance of residual effects of irrigation, haulm destruction and nitrogen fertilization for yielding of a very early potato cultivar Aster was evaluated in a 3-year experiment carried out at the Experimental Station Gorzyń. Seed-potatoes for the studies originated from the experiments conducted in 1998–2000 at the Experimental Station Złotniki. The residual effect of irrigation on potato yielding potential, assessed by analyses of tuber yield, starch yield and starch content, was found to depend on weather conditions in the vegetation period. No direct effect of haulm destruction on tuber yield and starch content was recorded. The most considerable yielding potential was exhibited by the potatoes grown in the plots fertilized with nitrogen dose of 40 kg/ha.
Keywords:
haulm destruction, irrigation, nitrogen fertilization, seed-potatoesReferences
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Authors
Tomasz Maciejewskiagro@up.poznan.pl
Katedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu Poland
Authors
Jerzy SzukałaKatedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu Poland
Authors
Stanisław GrześKatedra Uprawy Roli i Roślin, Akademia Rolnicza im. Augusta Cieszkowskiego w Poznaniu Poland
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Copyright (c) 2007 Tomasz Maciejewski, Jerzy Szukała, Stanisław Grześ
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