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Humic Acid is a mixture of natural organic macromolecular compounds, which exists in all soils, plants and animals,and have been widely used in agricultural production in recent years due to their unique physiological functions.Adding a small amount of humus to an acre of soil can improve soil condi
View More When the soil is less fertile also sandy to some extent, humic acid will increase its cation exchange capacity to retain water and beneficial micro nutrients. Under heavy and compact conditions, humic acid will work with fungi to construct a crumb structure root to absorb water oxygen and nutrients.
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