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Humus 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,…

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History of Humic Acids

About 50 years back at Kherson University a young Soviet scientist named Lydia Khristeva made an important discovery. ¬†Using ordinary soil, she educed humic acids from the samples as a solution of sodium salts and…