Highlights•Two class pixels of the emergence point of plants and background were
considered.•The U-Net sensitivity to the thresholds and growth point sizes was examined.•A …

English The paper, combined with structural characteristics of mechanical seed metering
devices and air-suction seed metering devices, designs a multi-mode seed metering device …

In this paper, taking compound air-suction seed metering device as the subject, the effect
rule of seed filling angle and seed releasing angle on the performance of seed filling and …

When working in the field, because the seed metering device of the fuselage is closed, the
operator cannot see the working status of the seed metering device. It is very important to …

The paper, combined with structural characteristics of mechanical seed metering devices
and air-suction seed metering devices, designs a multi-mode seed metering device …

In this paper, the vertical disk mechanical seed-metering device is taken as the object to
optimize the design of seed holding ring. The laboratory test is carried out with seed …

The vacuum seed metering device absorbs seeds by using the negative pressure generated
by vacuum air flow. Therefore, it is of great significance to study the variation law of pyrolysis …