Title: Effect of sugar beet irrigation in different environmental growing conditions
Abstract: In climatic conditions where there is an uneven amount and distribution of precipitation, as is the case with this region, sugar beet yield levels are directly dependant on weather conditions. Yield level and stability of crop production are largely affected by the varying amount of precipitation from year to year and an unfavorable distribution during the growing season. The yields, therefore, vary not only according to the year but also according to the growing region. Irrigation secures high and stable sugar beet yields regardless of the varying precipitation amounts. The average sugar beet water requirements for the 1987-2001 period have been 586 mm, with fairly little variation by either the region or the year. The average precipitation amount at the Rimski Sancevi site for the said period was 380 mm, with a lot of variation according to the year 138-683 mm. The average water deficit relative to the sugar beet plant water requirement determined via water balance was 190 mm, ranging from 24 to 367 mm. The deficit was especially pronounced in July and August, when it ranged between 0 and 282 mm, averaging 146 mm. The effects of drought on sugar beet yields manifested themselves every year to a greater or lesser extent, depending on the drought s onset, duration and severity. The average yield in non-irrigated trials was 66.6 t/ha (40-94 t/ha), while in irrigated ones it was 93,5 t/ha (68-124 t/ha). On average, the effect of irrigation was 40%. However, in 47% of the years, it was over 45%, in 20% of the years between 20 and 45%, and in 33% of the years below 20%.
Publication Year: 2002
Publication Date: 2002-01-01
Language: en
Type: article
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Cited By Count: 2
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