Phaeozem - Wikipedia
网页A Phaeozem in the World Reference Base for Soil Resources (WRB) is a dark soil with a high base status, but without a secondary carbonates within one metre of the soil surface.
Phaeozem | Organic Matter, Clay & Humus | Britannica
网页Phaeozems are characterized by a humus -rich surface layer covered in the natural state with abundant grass or deciduous forest vegetation. They are highly arable soils and are used for growing wheat, soybeans, and pasture for …
Phaeozems - ISRIC
网页Characteristics. Soils having. a mollic horizon (deep, brownish or blackish surface horizon with a significant accumulation of organic matter and high base saturation); a base saturation of 50 percent or more between 25 and 100 cm from the soil surface;
Ecological detoxification of methamidophos by earthworms in phaiozem …
网页2008年9月1日 · Samples of the tested soil, phaiozem (black soil), as a typical zonal soil in northeast China, were collected from a fallow field (47°26′N, 126°38′E) in the Hailun Station of Agro-ecological Experimentation, Chinese Academy of Sciences, which is situated at Hailun County, Heilongjiang Province, China.
Phaeozem - an overview | ScienceDirect Topics
网页Phaeozem - an overview | ScienceDirect Topics. In subject area: Earth and Planetary Sciences. RSG: Phaeozem: having a mollic horizon, a high base saturation throughout the first 100cm and no secondary carbonates until at least 50cm below the lower limit of the mollic horizon. From: Reference Module in Earth …
黑土（土壤的一种）_百度百科
网页黑土（phaeozem） 温带湿润气候草原 草甸植被 条件下形成的均腐殖质土壤。. 曾称退化黑钙土、变质黑钙土、淋溶黑钙土、灰化黑钙土、黑钙土型土、湿草原土和暗色草甸土等。. 1958年中国第一次土壤普查采用农民土名，改称黑土；1963年中国土壤分类系统（草案 ...
Toxic effects of acetochlor and methamidophos on earthworm …
网页The single toxic effect test showed that the two agrochemicals had their toxicity to the earthworms living in phaiozem. Acetochlor had a stronger acute toxic effect on the earthworms than methamidophos.
[Degradation-detoxification behavior of methamidophos in phaiozem …
网页An accelerated degradation of methamidophos in soybean rhizospheric soil was observed, especially in phaiozem. At the 9th day of incubation, the insecticide residue in the middle rhizobox phaiozem and burozem with soybean was decreased by 87.5% and 76.0%, respectively, compared with that of the control.
Ecological detoxification of methamidophos by earthworms in phaiozem …
网页2008年9月1日 · In view of the ubiquitous co-existence of methamidophos, acetochlor and copper (Cu) in agricultural soils, ecological detoxification of methamidophos in phaiozem by earthworms was examined using the …
SPECIATION DISTRIBUTION AND BIOACTIVITY OF HEAVY
网页Results indicated that the species distribution of heavy metals in clean phaiozem was residue bound to organic matters bound to Fe-Mn oxides bound to carbonates exchangeable fraction. Pollution occurring would change the general distribution trend and increase the exchangeable…