Effects of Mophological and Physical Properties of Cabbage Plug Seedlings on Working Precision of Automatic Transplanter.

概要

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The effects of the morphological and physical properties of cabbage plug seedlings on the adaptability to the fully-automatic transplanter was investigated for the improvement of labor saving of the transplant work.Major findings:1. The shape of the seedlings was greatly different due to the cultivar and the growth stage.2. The transplant accuracy by the fully-automatic transplanter decreased by the occurrence of the vacant hill, of the excessive shallow planting and of the excessive deep planting.3. The occurrence of the vacant hill, of the excessive shallow planting and of the excessive deep planting was seen a lot in the seedlings of breakable rootball, large hill spread, high flatness ratio and soft foliage.4. The occurrence of the excessive shallow planting and of the excessive deep planting increased by the small parachute effect in the soft seedlings and in the seedlings of a high flatness ratio.From these observations, we conclude that the small hill spread, fully formed rootball, low flatness ratio and the firm foliage are suitable properties for fully-automatic transplantation.
日本農作業学会の論文