EVALUATION OF SEED FLOW UNIFORMITY DISTRIBUTED BY SEED DRILL INCLINED FLUTED ROLLER AT COMPUTER AIDED INSTALATION

Andrei GHEORGHITA, Oleg STIOPCA, Andrei PLATON

Abstract


Seed distribution uniformity on the soil surface is one of the main factors that influence the yield of agricultural crops. Fluted roller metering device used in construction of the seed drill have a coefficient of variation of the space between seeds of more than 70%. The research purpose is to establish the distribution uniformity of dosing device, without researcher involvement, at the computer aided experimental installation. The research process automation, by using microcontroller, allowed setting functional parameters such as rotation speed and air velocity and data acquisition from the piezoelectric sensor. Research results, conducted on computer-aided installation, show that grooves and seed tube inclination angle reduce distribution uniformity coefficient of variation by 20-30%.

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