Development of Walking-type Fertilizer Applicator with Velocity Interlocking Device of Discharge

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  • Miyama Daisuke
    National Institute of Vegetable and Tea Science National Agricultural and Bio-oriented Research Organization
  • Araki Takuya
    National Institute of Vegetable and Tea Science National Agricultural and Bio-oriented Research Organization
  • Miyazaki Masahiro
    National Institute of Vegetable and Tea Science National Agricultural and Bio-oriented Research Organization
  • Higashi Kunimichi
    HIGASHI Seisakusho Co., Ltd.

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Other Title
  • 繰出し量が作業速度に連動する歩行型施肥機の開発
  • クリダシ リョウ ガ サギョウ ソクド ニ レンドウ スル ホコウガタ セヒキ ノ カイハツ

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Abstract

The newly developed walking-type fertilizer applicator has a fluted roll type metering device and a velocity interlocking device of fertilizer discharge. The fluted roll type metering device, adopted in developed fertilizer applicator, was equipped with rubber fluted roll with four impellers, and could meter the fertilizers of various physical properties precisely. In the range of 80rpm or less of rotational speed of fluted roll, there were proportional relationships between the rotational speeds of roll and the amount of discharge. The experimental result of field test showed that the velocity interlocking device could spread the fertilizer evenly in the field under the condition of the wide variety of work speed. The coefficients of variation were less than 4%.

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