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AgricultureEnvironmental EngineeringSoil SciencesSoil Organic MatterSolid Waste ManagementWaste ManagementCompost ManagementComposting SystemsLitter DecompositionLitter ManagementOrganic Matter AccumulationWaste DisposalCompost DecompositionCompostingComposting ProcessesLitter AccumulationLitter Composting
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Methods of soil analysis. Part 3 - chemical methods.
Donald L. Sparks, A. L. Page, Philip A. Helmke et al. · 1996 · 8.6K citations