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Rotivator was invented by Charles in 1946 and at that time it was not noticed by farmers, but with the passage of time and the importance of finding underground water sources, it gradually attracted the attention of farmers and was used to prepare agricultural land. The rotivator cuts and mixes the soil to a certain depth (usually 22 cm), which causes the weed stalks to be crushed and mixed with the soil, which both maintains soil moisture and prepares it for seeding. The rotary tiller does not turn the soil and only grinds it to the point of powder. For low-volume work and small fields, the rotivator is coupled with a tiller. Tractors are used for heavy work and larger fields. In this device, the necessary force to rotate the blades is taken from the engine and by transferring the force through the axis to the blades and the soil, it replaces the traction force through the wheels and reduces the amount of soil compaction. In large agricultural lands, it is very difficult and practically impossible to plant seeds without using a rotivator. For this purpose, the land is first plowed with an iron bull, then the soil is softened and ready for planting with a rotivator. Rotivator is very suitable for removing residues of corn, sugar cane, wheat, etc. When the rotivator passes through the soil surface, no lumps or protrusions remain and the soil surface becomes smooth and suitable for agriculture. During operation, the blades of the retivator collide with the soil and the fragmented soil is directed to the back plate of the machine or the soil guard. As a result of this collision, the soils are completely powdered and smoothed.
Rotary tiller blades
The blades are mounted on the machine in such a way that only one blade hits the ground during operation. The blades are L-shaped and are placed on the left and right sides and one in the middle, that is, the opening of the L is placed on the left side and the other on the right side. If the fertilizer is on the soil, it is mixed with the soil below. Depending on the type of work and the size of the land, the rotary tiller can be coupled to a tiller or a tractor. The number of blades of this device depends on the power of the tractor and the dimensions of the land.
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