34results about How to "Precision seeding" patented technology

The invention provides a seeder with a seedling strip cleaner. The seeder comprises a frame, furrow openers as well as a seedling box, a fertilizer box, seed-metering devices, fertilizer apparatuses, plow poles, ground wheels and roller sealers which are arranged on the frame, wherein the plow poles are all hollow; each furrow opener is fixed at the bottom of the frame by the plow pole; the plow poles extend into the lower ends in the furrow openers so as to serve as fertilizer discharge outlets; the upper ends of the plow poles are communicated with the fertilizer box by the fertilizer apparatuses; and the seed-metering devices which are communicated with the seed box are positioned above the rear ends of the furrow openers. The seeder is characterized in that: the bottom surfaces of thefurrow openers are raised in a ladder shape from front to back along the travelling direction; both sides, which are positioned between the fertilizer discharge outlets and the seed-metering devices,of the furrow openers are provided with scrapers; the seedling strip cleaner is arranged at the front ends of the furrow openers; the seeder comprises two axle bases which are suspended on the frame,a rotary knife shaft of which a horizontal bearing is arranged between the two axle bases, a power transmission mechanism and pairs of rotary knives which are arranged on the rotary knife shaft; eachpair of rotary knives are symmetrically arranged at an angle of 180 degrees; and one furrow opener is arranged right behind each pair of rotary knives. The seeder has a simple structure and excellentworking performance.