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Agriculture production can be enhanced by considering all the farm operations especially the harvesting of crops is the more
sensitive operation. The selection of appropriate farm machinery for harvesting not only save the harvesting time but also
enhance the farm profitability. The agro-climatic and economic factors are the major hindrance on the way to adopt the
harvesting machinery and latest movers in Pakistan. The objective of this work was to redesign an engine operated reaper at
affordable price and performance evaluation of this reaper for harvesting three different crops (wheat, rice and brassica). Three
levels of reaper ground speed (S) (1.94, 2.54 and 3.18 kmh-1
) and three different levels of moisture contents (MC) for each
crop were considered as factors. A (3 x 3) factorial analysis was conducted to see the impact of “MC” and “S” on percent
slippage, field efficiency and shatter losses. The main effects of S and MC were significant for all the crops for each factor
(p<0.05), except MC which was non-significant for shatter losses in wheat and rice (p= 0.0667) and (p=0.847), respectively.
Statistical Analysis showed that selected levels of MC and S had significant effect on % slippage, field efficiency and shatter
losses. The cost analysis indicated that the breakeven point of the modified reaper can be achieved after 19 days of purchase.
Study demonstrated that grain losses can be minimized, and farm profitability can be maximized by selecting suitable
combination of M and S.
Muhammad Nadeem, Tri-Nguyen Quang, Abdul Khaliq, Abdul Jabbar, Muhammad Iqbal, Muhammad Usman Ghani, Kamran Ikram. (2020) A NOVEL APPROACH TO OPTIMIZE HARVESTING LOSSES USING MODIFIED ENGINE OPERATED REAPER, Pakistan Journal of Agricultural Sciences, Volume 57, Issue 2.
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