Search Results       Your search for [author]Canta, Vivencio A. returned 1 record.           The effect of different levels of ammonium sulfate on the growth and yield of mangarez upland rice variety. by Canta, Vivencio A.; Nueva Ecija: Central Luzon State University, 1966. Subject: Ammonium sulfate levels, Effect of -- Mangarez upland rice growth and yield; Rice growth and Yield, Mangarez upland variety -- Ammonium sulfate levels, Effect of.          Add to Book Cart Relevance: 21.25%