A potential decrease of the yields of cucumber in the field cultivation in Poland caused by precipitation deficiency
2007
Kalbarczyk, R.,Akademia Rolnicza, Szczecin (Poland). Katedra Meteorologii i Klimatologii
A study was conducted to determine a potential decrease in the yield of cucumber in the field cultivation of pickle cucumber varieties caused by precipitation deficiency and precipitation frequency and to describe time and spatial characteristics of precipitation deficiency in Poland. The strongest relationships between the total and marketable yields of pickle cucumber varieties in the optimum agrotechnical conditions and the precipitation deficiency were recorded from the beginning to the end of cucumber harvesting. Deficiency in precipitation during the period of the largest requirement of cucumber for water can cause a decrease in cucumber yields usually by 3-12 percent, the largest in central-west Poland. Deficiency in precipitation from the beginning to the end of cucumber harvesting occurred most frequently in central-west Poland (even every two years), whereas that occurred least frequently in the southeast (once every 10 years). Mean total precipitation in the critical period in Poland during 1965-2004 amounted to 100 mm and varied from 90 mm in the central-west of the country and in Mazovian and Szczecin Lowlands to 130 mm in the southeast
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