Down to Earth 723708 12110 Plant Nutrient, 1 lb Highly concentrated source of humic acids ideal for use on fields, turf and vegetable gardens Derived from the ancient remains of decomposed organic plant materials, humic acids enhance nutrient uptake and stimulate soil microbial life Naturally occurring, unaltered oxidized lignite containing 70% total humic and fulvic acids, crushed, screened and graded to a particle size of 1-3mm Carefully blended from organic nutrients in the ideal proportions without the use of synthetics, growth stimulants or low quality fillers Highest quality ingredients help provide an effective and approach to plant Care, crop fertilization and soil Management