Effect of spraying using sprayer robot for cotton crop
Sprayer robot for cotton crop
DOI:
https://doi.org/10.21921/jas.v9i03.11011Keywords:
VMD, NMD, Coverage Percentage, Plant height, UCAbstract
Chemical pesticides have played and continue to play a major role in the rapid
advancement of agricultural production. Farmers are continuously spraying the
growing crop economically and profitably. Cotton crops are grown above human
shoulder height at that time spraying operation is impossible to penetrate the canopy
over shoulder height with manual spraying. At such stages overhead spraying was
not given proper spray distribution. Mostly the chemicals do not hit actual target and
cause wastages of spray material to the environment. It is necessary to apply
pesticide in such manner that the maximum droplets are deposited on the target.
Exposure to pesticides and poisoning is an also problematic among farming
communities for their health due to side effects of pesticides. Therefore, this study
was taken to solve spraying problem. First developed sprayer robot for cotton crop
and it was run between two rows at constant speed by remote without any driver. The
sprayer robot was evaluated for cotton crop in term of spray deposition (VMD, NMD,
UC, spray coverage percentage) on top and bottom side of leaf at different height of
crop. During evaluation, observed that VMD was increased with height of cotton crop
and it varied from 149.73 µm to 426.93 µm, NMD was also increased with height of
cotton crop and it varied from 70.60 µm to 215.99 µm, UC varied from 1.67 to 2.70 for
cotton crop, coverage percentage varied from 4.54 % to 39.71 % for cotton crop.
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