SOWING DEVICE FOR DOTTED SEEDING AGRICULTURAL CROPS Russian patent published in 2012 - IPC A01C7/16 

FIELD: agriculture.

SUBSTANCE: sowing device comprises a hopper, a metering device, made in the form of an assembly disk with a horizontal axis of rotation. At the periphery of the disc a seed-capturing groove is made. The disc is fixed to the drive shaft, and a seed reflector is set above it in the top quarter. The direction of rotation of the reflector is opposite to the direction of rotation of the assembly disc. The seed-capturing groove is made in the form of half an ellipse which major semi-axis is equal to the maximum width of the seed of the sown culture, and the minor semi-axis is equal to the maximum thickness of the seed of the sown culture. The assembly disc is fixed from turning with a flattened surface and is braced with the lateral sides of the hopper having a slope to its lateral surface. The reflector is made brush, it is equipped from above with a protective shield and is installed in the left quarter. The seeding window is connected to the seed tube.

EFFECT: use of the invention enables to provide the optimum area of plant nutrition and increase yield.

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