Search Results       Your search for [subject]Tillage -- Philippines -- Research returned 1 record.           Effects of the different tillage techniques on the efficiency of weed control and nitrogen uptake in transplanted rice [microform]. by Castroverde, Yolanda LUmanug, 1951-; Quezon City: Photoduplication Service, University of the Philippines Library, 1980. Subject: Tillage -- Philippines -- Research; Rice -- Philippines -- Planting; Rice -- Philippines -- Fertilizers and manures; rice research -- Philippines.          Add to Book Cart Relevance: 14.58%