Abstract
In order to solve the problems that mountain alfalfas planting does not meet the agronomic requirements and low yield, a small mountain alfalfa seed drill was designed. The width of machine is 1.2m, planting 6 rows, and using shaped hole wheel metering device. Its each line displacement consistency coefficient of variation is 4.09%. Its total displacement stability coefficient of variation is 1.64%.The deviation between the actual seed kernels per in each 10cm trench and the designed value is less than 5%.
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