Present situation, problem, prospect and practical implementation program of education and research on problem soils for agricultural production and their countermeasures
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| 格式: | 图书 |
| 语言: | 英语 |
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Ibaraki, Japan
University of Tsukuba
1993 no.1
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| 丛编: | Education and research for sustainable development of agriculture and conserving nature and agroecosystem in Asian and Pacific countries
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