Fertilizer
Concept
Fluorescence Excitation−Emission Matrix Regional Integration to Quantify Spectra for Dissolved Organic Matter
2003 · Wen Chen, Paul Westerhoff, et al. · Environmental Science & Technology
The story of phosphorus: Global food security and food for thought
2009 · Dana Cordell, Jan-Olof Drangert, et al. · Global Environmental Change
HUmus Chemistry Genesis, Composition, Reactions
1982 · F. J. Stevenson