Response of Sunflower to B5A (foliar fertilizer) at Gezira, Rahad and New Halfa, Sudan
DOI:
https://doi.org/10.55677/ijlsar/V04I01Y2025-03Keywords:
B5A, foliar fertilizer, nitrogen fertilizer, phosphorous fertilizer Sunflower,Abstract
A field experiment was conducted in season 2018/2019 across the Agricultural Research Corporation (ARC) at three experimental sites: Gezira, New Halfa and Rahad to investigate the effect of B5A liquid on the yield and yield components of sunflower. Seven treatments were adopted: 1 – Control or check (Zero fertilizer), 2 – Application of the recommended fertilizer dozes (RFD) of 2N1P, 3 - RFD + soil application of the liquid fertilizer (SB5A) which equivalent to 2 liter of B5A/200 liter water/ha, 4 - RFD + 1B5A (foliar), which equivalent to 6 liters of B5A/200 liter water/ha as spited three times (2 liter each) at 2nd , 4th and 6th irrigation, 5 - RFD + 2B5A (foliar), which equivalent to 12 liters of B5A/200 liter water/ha as spited three times (4 liters each) at 2nd , 4th and 6th irrigation (foliar), 6 - RFD + SB5A + 1B5A (foliar) and 7 - RFD + SB5A + 2B5A (foliar). The treatments were arranged in RCBD with four replications. Application of B5A has significantly increased the seed yield at the three sites. The highest seed yield was obtained with the application of RFD + SB5A + 2B5A (foliar) which was 1744 kg/ha followed by the application of RFD +1B5A foliar (1741 kg/ha) at Gezira site. At both Rahad and New Halfa the highest seed yield obtained by addition of RFD + SB5A + 1B5A foliar (1750 kg/ha and 2877, respectively).
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