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1945年新成立的Manawatu流域理事会(与土壤和河流管理委员会合作),曾在浦汗吉业(Pohangina)县租用了一块供土壤保持研究的丘陵地.Te Awa试验区正是该丘陵地的一普通溪谷陡峭地带.它的主坡的坡度为25—45度.土质为松砂壤,过去在原始森林覆盖下,自从森林被砍伐,以及十九世纪八十年代森林起火被烧后,这里进入放牧时期.遗留下的残桩使溪谷地表土层得以保持,并有助于牵制坡地上的表土与底土.
In 1945, the newly formed Manawatu Catchment Council (in cooperation with the Commission on Soil and Water Management) rented a hilly area for soil conservation research in Pohangina County, where the Te Awa pilot area was an ordinary Its steep slopes range from 25 to 45 degrees, with sandy loam soil, which was previously covered by virgin forest, where the forest was felled and the forest fire burned in the 1880s, entering here During the grazing period, the remaining stumps kept the surface layer of the valley and helped contain the topsoil and subsoil on the slope.