Concepedia
Agriculture Ecosystems & Environment · 2003 · 86 citations · 25 references
BiogeochemistryInorganic Fertilizer InputsEngineeringAgricultural EconomicsWestern KenyaSoil Nutrient ManagementPhosphorus AvailabilityPublic HealthSoil FertilitySoil Fertility ManagementNutrient Management
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Comparison of Conventional and Automated Procedures for Nitrogen, Phosphorus, and Potassium Analysis of Plant Material Using a Single Digestion<sup>1</sup>
R. L. Thomas, R. W. Sheard, J. R. Moyer · Agronomy Journal · 1967 · 1.1K citations
Plant Analysis, Engineering, Botany +18
COLORIMETRIC DETERMINATION OF PHOSPHORUS IN SOIL AND PLANT MATERIALS WITH ASCORBIC ACID
Matt K. John · Soil Science · 1970 · 866 citations
Engineering, Environmental Engineering, Soil Science +3
Determination of Lignin and Cellulose in Acid-Detergent Fiber with Permanganate
P.J. Van Soest, R H Wine · Journal of AOAC INTERNATIONAL · 1968 · 794 citations
Chemical Engineering, Engineering, Bioenergy +12
Phosphate Sorption Isotherms for Evaluating the Phosphate Requirements of Soils
R. L. Fox, E. J. Kamprath · Soil Science Society of America Journal · 1970 · 659 citations
Environmental Chemistry, Biogeochemistry, Phosphate Requirements +15
Current Perspectives in Microbial Ecology.
Rose Campbell, Michael J. Klug, C. A. Reddy · Journal of Ecology · 1985 · 602 citations
Microbial Diversity, Microbial Systematics, Current Perspectives +8