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Crop loss assessment methods. FAO manual on the evaluation and prevention of losses by pest, diseases and weeds

L. Chiarappa, - Editeur scientifique ; Food and agriculture organization of the united nations, Rome (ITA) | Roma [ITA] : FAO Food and Agriculture Organization of the United Nations | 1971

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Crop loss assessment methods. FAO Manual on the evaluation and prevention of losses by pests, disease and weeds

L. Chiarappa, - Editeur scientifique ; FAO Food and Agricultural Organization, Rome (ITA) | Roma [ITA] : FAO Food and Agriculture Organization of the United Nations | 1970

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Plant health and quarantine in international transfer of genetic resources

W. Hewitt, - Editeur scientifique ; L. Chiarappa, - Editeur scientifique | Boca Raton (Floride), USA : CRC Press | 1977

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