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1Improving Liquid Fertilizer Urea Efficiency Using Humic Acids Additives Extracted from Tropical Peatby Kasim, SusilawatiSubjects: “...Urea as fertilizer - Case studies...”
Published 2009
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2by Tai, Kin LeongSubjects: “...Rice - Urea as fertilizer - Case studies...”
Published 2002
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3by Ambra Singh, Kiran Jeet KaurSubjects: “...Rice - Urea as fertilizer - Case studies...”
Published 2008
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