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TERM OF THE WEEK. tarn: A relatively deep, steep-banked lake or pool occupying an ice-gouged rock basin amid glaciated mountains. A cirque lake ( Jackson, 1997).
8 wrz 2008 · More than 1800 terms are included in this revised glossary. Subject matter includes soil physics, soil chemistry, soil biology and biochemistry, pedology, soil and water management and conservation, forest and range soils, nutrient management and soil and plant analysis, mineralogy, wetland soils, and soils and environmental quality.
[soil taxonomy] A surface layer of mineral soil that has been modified by human activity and has the same requirements as the mollic epipedon with respect to color, thickness, organic carbon content, consistence, and base saturation but that has>110 mg P kg-1 soluble in 0.05 M citric acid, or is dry>300 days (cumulative) during the period when ...
Glossary of soil terms. Absorption: Uptake of matter or energy by a substance Acid soil: Soil with a pH value less than 7.0. Acidification: Process whereby soil becomes acid (pH < 7) because acid parent material is present or in regions with high rainfall, where soil leaching occurs.
29 paź 2019 · Soil chemistry is the branch of soil science that deals with the chemical composition, chemical properties, and chemical reactions of soils. Soils are heterogeneous mixtures of air, water, inorganic and organic solids, and microorganisms (both plant and animal in nature).
Soil chemistry is the study of how the elements and their compounds are distributed between and within the three principal phases that comprise the soil, the solid, liquid, and gaseous phases. By studying cation exchange reactions, we seek to understand and predict how positively charged ions are distributed between the solid and liquid phases.
1 sty 2011 · The first and the only dictionary in the field of soil science, entitled Fivelingual Dictionary of Soil Science, was released over thirty years ago (1976) by the Polish Society of Soil...
