Publication Date

1989

Description

The authors had already planned and tested a new method of ploughless pasture establishment with new machines in a beech forest on the foothill of Mt. Hakkohda in Aomori Prefecture, north-eastern district of Japan since 1983 (Kobayashi, 1985 ; Tanaka et al., 1985; Sugiura et al., 1986; Suzuki et al., 1987; Sugiura et al., 1987). The properties of this method are the stump-cutter (SC) and the bush-cutter (BC) which are new machines for establishing grassland. Owing to these two machines, it is possible to con­verse the natural environment and to reduce establishing costs of grassland. This report refers to a new test of this method in the moutainous regions with topographic conditions more severe than that of previous test fields. The machines used in this test arc somewhat different from those used in the last test. The authors would like to clarify the limiting factors of use of these machines in steep slopes with abundant crushed wood fragments.

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A New Method of Ploughless Pasture Establishment in Japan (I)

The authors had already planned and tested a new method of ploughless pasture establishment with new machines in a beech forest on the foothill of Mt. Hakkohda in Aomori Prefecture, north-eastern district of Japan since 1983 (Kobayashi, 1985 ; Tanaka et al., 1985; Sugiura et al., 1986; Suzuki et al., 1987; Sugiura et al., 1987). The properties of this method are the stump-cutter (SC) and the bush-cutter (BC) which are new machines for establishing grassland. Owing to these two machines, it is possible to con­verse the natural environment and to reduce establishing costs of grassland. This report refers to a new test of this method in the moutainous regions with topographic conditions more severe than that of previous test fields. The machines used in this test arc somewhat different from those used in the last test. The authors would like to clarify the limiting factors of use of these machines in steep slopes with abundant crushed wood fragments.