Alkali-hydrolyzable nitrogen content of subterranean disposal was higher than land disposal in horses and sheep dung while there had no significant changes in cattle dung under the two disposals . 3 .
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美[ˌsʌbtəˈreniən dɪˈspozəl]英[ˌsʌbtəˈreɪni:ən disˈpəuzəl]
（放射性废物的）地下处置