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- Title
INFLUENCE OF THE IRRIGATION METHOD ON THE SOYBEAN PRODUCTIVITY.
- Authors
DIMOV, Konstantin; MATEV, Aleksander; MERANZOVA, Rossitza; HRISTOVA, Nadya
- Abstract
The aim of this work is to determine the impact of irrigation methods on soybean productivity. The field experiment was conducted during the period 2008-2010 in Agricultural University, Plovdiv. Three irrigation techniques are tested - by gravity, microsprinklers and drip irrigation. A non-irrigation plot was the control. Irrigation for all three irrigation methods is given at 80% FC for the layer 0-0.60 m. Under non-irrigation conditions, the yield is between 104 and 202 kg/da. Irrigation by furrows increases yields with 66%. The average yield for this technique is 277 kg/da. Yield increases by over 75% and reaches 295 kg/da under sprinkler irrigation, the irrigation water use efficiency (IWUE) is 0.595 kg/m3. Using drip irrigation, the yield increases by an average of 50% and reaches 250 kg/da, and the IWUE is much lower - 0.377 kg/m3. From an economic point of view, the best results are by using sprinkler irrigation. It gives yield 18% higher than that of drip and 6% higher than that of furrow irrigation.
- Subjects
PLOVDIV (Bulgaria); FURROW irrigation; IRRIGATION; IRRIGATION water; WATER efficiency; SPRINKLER irrigation; MICROIRRIGATION
- Publication
Scientific Papers. Series A. Agronomy, 2020, Vol 63, Issue 1, p255
- ISSN
2285-5785
- Publication type
Article