Development of high-speed rotary harrow for puddling, 3: Accuracy and power requirements of developed harrow
2005
Gotoh, T.(Bio-oriented Technology Research Advancement Inst., Saitama (Japan)) | Horio, M. | Ichikawa, T. | Nagaya, K. | Kuji, Y.
Prototypes of high-speed rotary harrows and conventional rotary harrows were employed to investigate the accuracy of puddling in six paddy fields and power requirements in four paddy fields. The following results were obtained. (1) The stubble and residue burying performance and the soil pulverizing performance of the developed harrows exceeded that of the conventional harrows at the same forward speed as the developed harrows. (2) The stubble and residue burying performance and the soil pulverizing performance of the developed harrows were almost the same level as those of conventional harrows working at 20 to 30% slower forward speed. (3) The stubble burying performance and the soil pulverizing performance of the developed harrows for two passes were almost equal to those of the conventional harrows of the same forward speed making three passes. (4) The average PTO specific power of the developed harrows was almost equal to that of the conventional harrows in the primary puddling and the last puddling.
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