Organic fertilizer applying device for corn planting

By designing a multi-state organic fertilizer application device for corn planting, the problems of fertilizer waste and soil pollution caused by improper fertilization depth have been solved. Precision fertilization based on the corn growth stage has been achieved, improving operational efficiency and soil utilization.

CN122139510APending Publication Date: 2026-06-05TONGLIAO ACADEMY OF AGRICULTURE & ANIMAL HUSBANDRY SCIENCE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TONGLIAO ACADEMY OF AGRICULTURE & ANIMAL HUSBANDRY SCIENCE
Filing Date
2026-05-08
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing corn planting fertilization devices lack depth dynamic adjustment capabilities, resulting in a mismatch between fertilization depth and root distribution, leading to low fertilizer absorption efficiency, resource waste, and soil pollution.

Method used

Design an organic fertilizer application device for corn planting, comprising a mobile vehicle body, a soil loosening mechanism, a fertilizer application mechanism, and a lifting structure. It has four working states and achieves flexible adjustment of fertilizer application depth and power distribution through a drive mechanism and a power transmission mechanism, combining soil loosening and fertilization in a coordinated manner.

Benefits of technology

It enables the adjustment of fertilization depth according to the corn growth stage, avoiding fertilizer waste and soil pollution, improving fertilization efficiency and soil utilization, and adapting to different operational needs.

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Abstract

The application relates to the technical field of agricultural machinery, in particular to an organic fertilizer applying device for corn planting, which comprises a movable vehicle body structure, a fertilizer applying mechanism and a soil loosening mechanism, and the fertilizer applying mechanism and the soil loosening mechanism are both installed on the movable vehicle body structure; wherein the fertilizer applying mechanism comprises a fertilizer applying structure and a lifting structure; the lifting structure is used for adjusting the height of a discharge port of the fertilizer applying structure from the ground; the organic fertilizer applying device for corn planting has a first working state that only the soil loosening mechanism performs the soil loosening work; a second working state that the soil loosening mechanism performs the soil loosening work while the fertilizer applying structure performs the fertilizer applying work; a third working state that only the fertilizer applying structure performs the fertilizer applying work; and a fourth working state that only the lifting structure performs the lifting action. The application solves the problem that the fertilizer applying depth is difficult to control in the prior art by adjusting the fertilizer applying depth and diversifying the working states, improves the fertilizer utilization rate, and provides an efficient and sustainable fertilizer applying mode for corn planting.
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