Browsing Doctoral Dissertations (Agricultural Science) by Type "Tesis Magister"
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Efisiensi Pemupukan Fosfat dan Produksi Tanaman Kentang (Solanum tuberosum L.) pada Andisol Terdampak Erupsi Gunung Sinabung Melalui Pemanfaatan Mikroba Pelarut Fosfat
(Universitas Sumatera Utara, 2016)Phosphorus (P) is an essential macro nutrient that plays an important role in supplying ttte chemical energy needed in aimost all metabolic activities of plants. Its role in biological systqms cannot be replaced by other ...