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Design and Development of Self Suspended Dispenser


Author : Mahesh S Dharamkar and D.S.Galhe

Pages : 19-20
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Abstract

Sowing of a seed at uniform depth with uniform width of cut not maintained in conventional type of sowing machine tines which results in non uniform growth of plants and hence there is loss in the yield of farmer. The use of self suspended dispensing coulter achieves the uniform depth as well as uniform width of cut and hence there is uniform growth of plants and ultimately there is increment in farmers yield. There must be a conservation moisture contents in soil after furrow is open. But in case conventional type of sowing machine there is not any such provision. Self suspended dispensing coulter allows simultaneous covering of furrow immediately by using passive double inclined disc to retain moisture after furrow is open. In order to increase the germination rate of seed, there is no such a provision in case of conventional type of sowing machine. Self suspended dispensing coulter allows pressing of seed slightly so that soil molecules firmly comes in contact with seed and the germination rate is increase. Shovel type furrow opener produce greater soil disturbance with ultimately requires unnecessarily more draft force for pulling of tractor. Thus main objective of this project is to maintain uniform seed depth with uniform width of cut with conserving moisture content after furrow is open by closing it and pressing of seed in order to increase the germination rate with reduced draft force. This paper presents the calculation of draft force and effect of depth in width of cut on draft force.

Keywords: Disc opener, uniform depth, draft force, germination, pressure.

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