Search Results       Your search for [author]Alvarez, Francisco Roa. returned 1 record.           The Effect of intercropped ipil-ipil (Leucaena leucocephala (Lam.) de Wit) as organic fertilizer on the growth and yield of corn. by Alvarez, Francisco Roa.; 1980. Subject: Lead tree; Corn -- Fertilizers.          Add to Book Cart Relevance: 22.34%