Tension Lysimeter Studies of Ion and Moisture Movement In Glacial Till and Coral Atoll Soils
1961
Cole, D. W. | Gessel, S. P. | Held, E. E.
The alundum tension lysimeter originally described was modified to allow installation in shallow soils and to facilitate collection of the leachate. The lysimeter plates were located at various depths in two contrasting soil types to study the ion content of the gravitational water. In addition, the influence of potassium (added as KCl) and nitrogen (added as (NH₄)₂SO₄) on ion movement in the soil was studied. The ion content of the gravitational water changed markedly with soil type, depth, month of the year, and daily weather conditions. KCl and (NH₄)₂SO₄ soil additions distinctly altered established soil dynamics, increasing movement of other soil elements including the radionuclide cesium¹³⁷ from local fallout in 1954 on Rongelap Atoll soils.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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