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为了研究不同整地方法在轮作坡地上的效果,于1976年在顿聂茨防蚀试验站(乌克兰左翼草原)的坡度为1—5°东
In order to study the effect of different methods of site-preparation on the rotation of slopes, the gradient at the Donets anticorrosion test station (left-wing prairie in Ukraine) in 1976 was 1-5 ° east