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S. Aktar
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. A.Hossain
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M. Z. Rahman
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

M.S. Zaman
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

B .L.Nag
Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh

A field experiment were conducted at Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Rahmatpur, Barisal and Regional Pulses Research centre Madaripur during rabi season of 2016-17 to estimate the effective dose of mineral nutrients for cowpea yield maximization. Five treatments were included in the study viz. T1= (Control), T2= (20-20-20 NPK kg/ha), T3 =(20-20-20-10 NPKS kg/ha), T4= (20-20-20-10-2 NPKSZn kg/ha) and T5= (20-20-20-10-2-1.5 NPKSZnB kg/ha).The yield of cowpea increased significantly due to the application of S, Zn and B. The highest seed yield (1612kg /ha) at Barisal and (1885kg /ha )at Madaripur were produced in treatment T5 (20-20-20-10-2-1.5 NPKSZnB kg/ha) and the lowest obtained from control plot (1438 kg/ha )and (971kg/ha)respectively.

  Pulses, Lentil, Grain yield, BARI Felon-1, Cowpea
  Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Rahmatpur, Barisal and Madaripur, Bangladesh
  00-00-2016
  00-00-2017
  Crop-Soil-Water Management
  Cowpea, Soil fertility

To estimate the effective dose of mineral nutrients for cowpea yield maximization. 

The field experiment was conducted at Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Rahmatpur, Barisal and Madaripur during  rabi season of  2016-17. The trial consisted of five treatments such as T1=Control, T2 = 20-20-20 NPK kg/ha, T3 = 20-20-20-10 NPKS kg/ha, T4=20-20-20-10-2 NPKSZn kg/ha, T5=20-20-20-10-2-1.5  NPKSZnB kg/ha. The experiment was laid out in Randomized Complete Block design with 3 replications. The unit plot size was 4m×3m. Nutrient status of initial soil sample of the experimental plot at Rahmatpur, Barisal and at Madaripur is presented. All the fertilizers were applied and incorporated in the soil during final land preparation.The variety was BARI Felon-1. Seeds were sown at the rate of 50 kg ha-1 on 16 December, 2016 at Barisal and 5 January, 2017 at Madaripur. The seeds were sown in furrows at 40 cm x 10 cm spacing at a depth of 2 to 3 cm below the soil surface.Irrigation was applied twice at 15 and 30 days after sowing. Intercultural operations such as thinning, weeding, applying insecticides were done as and necessary. The mature pods of cowpea were harvested three times. At maturity, seed yield and yield contributing characters were recorded and collected data were analyzed statistically.

  Annual Research Report-2016-2017, Pulses Research Centre, BARI, Ishurdi, Pubna, Bangladesh
  
Funding Source:
1.   Budget:  
  

The effect of nutrients on the growth and seed yield of cowpea is evident, T5 treatment (20-20-20-10-2-1.5 NPKSZnB kg/ha) showed a better response than other treatments both at Barisal (1612 kg/ha)) and Madaripur (1885kg /ha). The yield of cowpea increased significantly due to the application of S, Zn and B. The highest seed yield (1612kg /ha) at Barisal and (1885kg /ha )at Madaripur were produced in treatment T5 (20-20-20-10-2-1.5 NPKSZnB kg/ha) and the lowest obtained from control plot (1438 kg/ha )and (971kg/ha) respectively.

 

  Report/Proceedings
  

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