Geoderma · 2004 · 34 citations · 20 references
Spectral Reflectance PropertiesBiogeochemistryPrecision AgricultureEngineeringSoil PropertyFermentation ResidueEnvironmental EngineeringSoil ScienceReflectance Modeling
20
Soil Chemical Analysis - Advanced Course.
M. L. Jackson · 1969 · 2.9K citations
Soil Characterization, Environmental Chemistry, Engineering +4
Ceramurgia International · 1977 · 2.7K citations
Agency for International Development
Omer J. Kelley · Issue · 1978 · 2.5K citations
International Cooperation, Development Economics, Economic Development +21