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Authors: P. Dvořák, K. Hamouz, J. Čepl, J. Pivec
Page: 127-130
English / Anglicky:
ln the years 2001-2003 the effect of white fleece Pegas-agro 17 UV on the dynamics of yield formation in early irrigated potatoes (Adora and lmpala varieties) was investigated in an early potato region of the Czech Republic. Use of the fleece significantly increased the yield of commercial tubers in early data of the harvest at the end of May and at the beginning of June (2001 on 134.9 %, 2002 on 134.5 % and 2003 on 563.2 % in comparison with the control in average values of both varieties). Between varieties the greater yield effect was found in Impala variety in comparison with variety Adora. Favourable influence of the fleece on temperature air and temperature soil of ground layer was demonstrated and also heat insulating effect of the fleece during ground frosts was proved.
Key-words: early potato; fleece; air temperature; soil temperature; variety; yield.
Czech / Česky:
ln the years 2001-2003 the effect of white fleece Pegas-agro 17 UV on the dynamics of yield formation in early irrigated potatoes (Adora and lmpala varieties) was investigated in an early potato region of the Czech Republic. Use of the fleece significantly increased the yield of commercial tubers in early data of the harvest at the end of May and at the beginning of June (2001 on 134.9 %, 2002 on 134.5 % and 2003 on 563.2 % in comparison with the control in average values of both varieties). Between varieties the greater yield effect was found in Impala variety in comparison with variety Adora. Favourable influence of the fleece on temperature air and temperature soil of ground layer was demonstrated and also heat insulating effect of the fleece during ground frosts was proved.
Key-words: early potato; fleece; air temperature; soil temperature; variety; yield.