By admin October 29, 2017 Off Humic Acid and Humic Substance Humic acid and Humic substance formation is caused by the microbial degradation of dead plant matter, such as lignin. They are very resistant to further biodegradation. The precise properties and structure of a given sample…
By admin October 29, 2017 Off Humic Substance and Humic Acid The term “humus” dates back to the time of the Romans, when it was frequently used to designate the soil as a whole. It was later applied to the organic matter of soils and composts,…