Green manure in rice farming proceedings of a symposium, 25-29 May 1987.
| Beste egile batzuk: | |
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| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Manila
International Rice Research Institute in collaboration with the Commission on the Application of Science to Agriculture, Forestry, and Aquaculture
c1988
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| Gaiak: |