@article{Alam:209920,
      recid = {209920},
      author = {Alam, M. and Sarker, T.R. and Orin, T.A.},
      title = {Performance evaluation of a pull type two rows granular  urea applicator},
      journal = {Journal of the Bangladesh Agricultural University},
      address = {2014},
      number = {452-2016-35643},
      pages = {10},
      year = {2014},
      abstract = {Deep placement of super granular urea is very laborious  and time consuming work for manually operation. To
overcome  the human stress and drudgery to place the super granular  urea, a low cost manually operated pull type 2-
rows  granular urea applicator (GUA) was designed and developed  in the department of Farm Power and Machinery,
Bangladesh  Agricultural University, Mymensingh. The performance of  machine was done in agronomy field of
Bangladesh  Agricultural University. The effective field capacity was  0.11 ha/hr at a forward speed of 1.78 km/hr and
78.89 %  field efficiency of developed granular urea applicator. The  average distance between two dropped granular
urea (GU)  from left hopper & right hopper were 40.64 cm and 40.89 cm  respectively. The average missing rate of GU
dropped during  field operation was 1.65% for granular urea size of 2.83  gm. The depth of granular urea placement
was 7-10 cm in  puddle field. The pulling force and draft of the developed  applicator were varied between 5-11 kg and
3-6.62 kg  respectively. The draft power was 0.027 kW for 55.38 N  pulling force at 1.78 km/hr speed. The application
rate of  the GUA was 170 kg/ha. The results of field and laboratory  test of the developed applicator were better in
comparison  to other models of GUA. The operational cost of the  applicator is 390 Tk/ha which is lower than 22.16%
of BARI  made push type GUA and 53% lower than the manually  placement of GU. Average grain yield was highest
(5234  kg/ha) when granular urea were applied by the developed  applicator and followed by GU applied by BRRI
made push  type GUA (5213 kg/ha) and GU applied by manually (5209  kg/ha). The highest straw yield (6787 kg/ha)
was obtained  when GU applied by manually. However the differences of  grain yields and straw yields were not
significantly  difference for applying GU by the applicators and manually  operation. The manufacturing cost of the
applicator is only  Tk.6000. The weight and the drawbar power of the applicator  were 15 kg and 0.03 kW respectively.
Therefore one person  (man or women) is enough to pull the machine. Overall  performance of the applicator was
found quite satisfactory.  For this reason, the applicator may be introduced in  Bangladesh to apply super granular
urea.},
      url = {http://ageconsearch.umn.edu/record/209920},
      doi = {https://doi.org/10.22004/ag.econ.209920},
}