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.
1 Field Crops and Vegetables: 1-2kg/ha at period of rapid growth or nutritiona stress, 2 times at least throughgrowing seasons.
2 Tree Crops: 1-3kg/ha at active growth period, 2-4 weeks intervals through growing seasons.
3 Grapes an Berries: 1-2kg/ha at active growth period, 1 week intervals at least through vegetative growth period.
4 Turf: 3-6kg/ha at active growth period.
5 Ornamental Trees, Shrubs, and Flowing Plants: Dilute at rate of 25kgs in 1 or more steres of water and spray to complete coverage.
Package and storage
Package: Kraft bags with PE liner, 20kg net
Storage: In sealed and damp-proof place
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