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|Appearance:||Black Powder||Raw Material:||Leonardite|
Humic Acid is extracted from compressed, ancient plant matter in the form of leonardite (a soft brown coal) as one kind of high polymer heterogeneous aromatic materials contains hydroxyl, carboxyl, phenolic hydroxyl and other active groups with black brown appearance.
It is an ideal additive to boost bio-activity and improve the performance of compost or composted fertilizers. The composting process speeds the release of the humic and fulvic acids.
|Humic acid (dry basis)||50.0% min||60.0% min||70.0% min|
|Organic matter (dry basis)||60.0% min||70.0% min||80.0% min|
|C.E.C (dry basis)||1.8mmol/g min||2.5mmol/g min||3.0mmol/g min|
|Size||2-4 or 1-3 mm (pearl/ball), 60-80 mesh (powder)||60-80 mesh|
* 5-10kgs/ha/time, 2-3 times during seedling and growth stage, better to be applied with N, P,K fertilizers
* Mixed with Nitrogen fertilizers: 5% of total blend i,e, 5kgs of Potassium Humate per 100kgs of Urea
* Used as muti-functional compound and basal fertilizer, top dressing, seed fertilizer and foliar fertilizer
humic acid granular
humic acid powder