Environmental Monitoring and Assessment · 2002 · 172 citations · 31 references
AgricultureAgronomyCrop SciencesCrop ProductionAgricultural Emissions ReductionAgricultural PollutionAgricultural Production SystemsAgricultural SystemsCereal CropsNitrogen OxidesGreenhouse Gas Emissions From AgricultureNitrogen Oxides EmissionsNitrogen Oxides PollutionNitrous OxideNitrous Oxide Emissions From Agriculture
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Methods of soil analysis. Part 2. Chemical and microbiological properties.
A. L. Page · 1982 · 13K citations