Potato yield and yield structure depending on irrigation
2010
Milić Stanko | Bošnjak Đuro | Maksimović Livija | Pejić Borivoj | Sekulić Petar | Ninkov Jordana | Zeremski-Škorić Tijana
In the agroclimatic conditions of the Vojvodina Province, the application of an economic water regime and modern technology is necessary for stable and intensive potato production. A two-year experiment on calcareous chernozem was carried out to determine how irrigation and different pre-irrigation soil moisture affect potato yield and distribution of tuber fraction in the potato yield. The block-design trial had four replicates and was adapted for sprinkler irrigation conditions. It included four treatments: irrigation with pre-irrigation moisture levels of 60 % of field water capacity (FC), irrigation with pre-irrigation moisture levels of 70 % (FC), irrigation with pre-irrigation moisture levels of 80% (FC), and a non-irrigated control treatment. Irrigation significantly increased the yield of potato, which increased from 37.27 % to 75.86 %. Under irrigation, the percentage of small fractions decreased in favour of the 55 mm one, or fractions above the 45-55 mm range. On average, irrigated treatments produced significantly more tubers than the conditions of natural water supply. .
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