Plant and Soil, Vol. 113, No. 1 (January (I), 1989), pp. 13-19 (7 pages) The ability of two sodium bicarbonate (Colwell and Olsen) and two ammonium fluoride (Bray I and Bray II) soil tests to reflect ...
Salts are compounds formed when positively charged cations such as sodium (Na⁺), calcium (Ca²⁺), magnesium (Mg²⁺) and potassium (K⁺) combine with negatively ...
Sequestering carbon in the soil via the addition of organic matter has been widely promoted for the mitigation of climate change. Enhancing soil organic matter can improve soil quality, i.e., ...
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