Search Results       Your search for [subject]Potential source of nitrogen -- Lowland rice culture -- Philippines -- Workshop returned 1 record.           Workshop on agricultural policy; agricultural policy working group: A potential source of nitrogen for lowland rice culture. by Castillo, E.T.; Los Banos, Laguna: University of the Philippines, 1985. Subject: Potential source of nitrogen -- Lowland rice culture -- Philippines -- Workshop; Agricultural policy -- Philippines -- Workshop; Workshop on Agricultural Policy; Agricultural Policy Working Group:A Potential Source of Nitrogen for Lowland Rice Culture -- Philippines.          Add to Book Cart Relevance: 56.92%