Search Results       Your search for [subject]Pests and diseases -- Crop protection -- Manual returned 1 record.           Manual on surveillance and early-warning techniques for plant-pests and diseases. Manila: Bureau of Plant and Industry, 1980. Subject: Plant protection -- Surveillance and early-warning techniques -- Manual; Pests and diseases -- Crop protection -- Manual; Crop protection -- Manual.          Add to Book Cart Relevance: 38.31%