Development of Soybean Planter with No Tillage and Barley Straw Mulch in the Converted Paddy Field.

概要

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The no tillage planter which was mounted on the small tractor with the straw mulching equipment was developed in order to improve the emergence on the converted paddy field in the warm west-southern districts of Japan.1) At first, the chain tedder mounted on the front of a tractor removed barley straw, the powered single disk cuts the soil surface to form grooves (slits) for seeding. The seeds were distributed into this groove. After seeding, herbicide granules were applicated and straw mulch was applied by the tedder in the succeeding passage along the seeded area.2) The chain tedder made smooth and efficient disposal of a large amount of straw. As the straw was applied as the mulch, it kept the good conditions for emergence of seed. Emergence percentage was quite higher than 80% even in wet conditions of 0.3 of consistency index.3) This cultivation method made enable to get the yield of soybean more than 300kg/10a.
日本農作業学会の論文