典型红壤不同形态氮素迁移对长期施肥制度的响应
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Response of Different Forms of Nitrogen Migration in Typical Red Soil to Long-Term Different Fertilization Systems
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图6. 不同处理不同土层土壤微生物生物量氮 |
Fig. 6. Soil microbial biomass nitrogen in different soil layers under different treatments |
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