-
Oxisols are a soil
order in USDA soil taxonomy, best
known for
their occurrence in
tropical rain
forest within 25
degrees north and
south of the Equator...
-
hardwood forests with very
thick A horizons. They are 7% of
soils worldwide.
Oxisol – are
heavily weathered, are rich in iron and
aluminum oxides (sesquioxides)...
-
paleopedological record ever
since the Silurian; however,
unlike other soil
orders (
oxisol, ultisol, gelisol, etc) they do not have
value as
indicators of climate...
- savanna) have
become exposed to
increasingly arid
climates which cause former oxisols,
ultisols or even
alfisols to dry out in such a
manner that a very hard...
-
oxisols.
Ultisols are
known as well weathered,
acidic red clay soils,
deficient in
major nutrients such as
calcium and pot****ium. Similarly,
oxisols are...
- phosphate, iron, and
aluminum in the
proteoid rhizosphere in
samples of an
oxisol and a luvisol".
Zeitschrift für Pflanzenernährung und Bodenkunde. 157 (4):...
- viz. Entisols, Inceptisols, Mollisols, Spodosols, Alfisols, Ultisols,
Oxisols, Aridisols, Vertisols,
Andisols and Histosols.
Depending on the agricultural...
-
weathered tropical soils, with high
levels of iron and
aluminium oxides (
oxisol) and mercury, and they
contain high
levels of
natural radioactivity. There...
-
concentration of iron and
aluminium oxides by the
laterization process gives the
oxisols a
bright red
colour and
sometimes produces mineral deposits such as bauxite...
- well-drained mollisols,
through heavy cracking vertisols,
infertile acid
oxisols and ultisols,
peaty histosols, to
rocky andisols. Both
plentiful sunshine...
