Search Results       Your search for [subject]Ammonium sulfate -- Levels of application returned 1 record.           Response of popcorn to different levels of ammonium sulfate application. by Prasertwong, Supasit; Nueva Ecija: Central Luzon State University, 1967. Subject: Agriculture; Corn -- Fertilizer application; Ammonium sulfate -- Levels of application; Corn -- Effect ofammonium sulfate.          Add to Book Cart Relevance: 37.58%