蚯蚓能提高土壤肥力原因是 A蚯蚓能吃进腐烂的有机物b蚯蚓身体里含有大量的蛋白质c蚯蚓能使土壤通气d蚯蚓的粪便中含有丰富的氮磷 Template




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tomski蚯蚓能提高土壤肥力原因是 a蚯蚓能吃进腐烂的有机物b蚯蚓身体里含有大量的蛋白质c蚯蚓能使土壤通气d蚯蚓的粪便中含有丰富的氮磷 coloring