American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Of, relating to, or derived from humus.
Century Dictionary and Cyclopedia
- Pertaining to or derived from mold (humus).
- adj. of, or relating to humus
GNU Webster's 1913
- adj. (Chem.) Pertaining to, or derived from, vegetable mold. See humin.
- adj. of or relating to or derived from humus
“Specifically, they evaluate changes in total soil organic carbon and in the chemical characteristics of the soil organic matter and its main constituents known as humic substances (from humus origin).”
“But the environmental significance of these processes is still unknown, Jafvert says, because naturally-occurring materials called humic acids also generate ROS in water.”
“Organic fertilizers and soil amendments such as humic acid will provide much better nutrition to any plant than chemical fertilizers will.”
“Subsequently, when zeolite is chemically dissolved in a simple water solution, or when taken as a straight mineral supplement in capsule form, its therapeutic effect (i.e. benefit to you) is not as strong or beneficial as it is when combined with an all natural, organic, bio-active intracellular carrier such as humic, fulvic, or processed humates.”
“- permeable for the reactants (e.g. water pollutants and H2) and impermeable for the catalyst poisons (e.g. heavy metals and natural polyelectrolytes such as humic substances).”
“The compost itself is beneficial to the land in many ways, including as a soil conditioner and fertilizer, an additive providing vital humus or humic acids, and a natural pesticide.”
“The saturated moss product is then removed and buried, where it breaks down in an environmentally friendly manner; the peat moss itself contains humic acid, which is a powerful catalyst in breaking down hydrocarbon molecules.”
““Help him, would you?” says Chris, walking away toward what appears to be bottles of shampoo—actually humic acid.”
“Surface water is acidic, low in hardness, and high in humic compounds.”
“Dissolved organic carbon from excretion, leaching, and decomposition of plants in the catchment, along with associated humic materials, has been found to reduce photosynthesis in the lake and absorb 99% of the UV-B radiation in the upper 20 cm .”
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