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Crop loss assessment methods FAO manual on the evaluation and prevention of losses by pests, disease and weeds
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| 格式: | 圖書 |
| 語言: | 英语 |
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Farnham Royal, Slough, England
Commonwealth Agricultural Bureaux [for] Food and Agriculture Organization of the United Nations
c1971-1977
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| 實物描述: | 1 v. (loose-leaf) |
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