Molecular Environmental Soil Science at the Interfaces in by Jian-Ming Xu, Pan Ming Huang PDF
By Jian-Ming Xu, Pan Ming Huang
"Molecular Environmental Soil technology on the Interfaces within the Earth's severe region" offers contributions from the first overseas Symposium of Molecular Environmental Soil technological know-how on the Interfaces within the Earth's severe region held in Hangzhou, China. It introduces new principles, findings, tools, and adventure on above new and rising topic parts. A large variety of subject matters are lined: the position of mineral colloids in carbon turnover and sequestration and the effect on weather switch, biogeochemical interfacial reactions and dynamics of important and poisonous parts, ecotoxicology of anthropogenic organics, environmental nanoparticles and their affects, and surroundings health and wellbeing. The ebook should be a worthy reference for researchers in soil chemistry, environmental chemistry, mineralogy, microbiology, ecology, ecotoxicology, and physics. Jianming Xu is a Professor on the Institute of Soil and Water assets and Environmental technological know-how, Zhejiang college, China. Pan Ming Huang is a Professor on the division of Soil technological know-how, college of Saskatchewan, Canada.
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Additional resources for Molecular Environmental Soil Science at the Interfaces in the Earth's Critical Zone
No. +8610-8210 8661; Fax No. cn. Abstract: Typical red soil samples were collected from 17 years long-term fertilization experiments in Qiyang county of southern China. Physical fractions of the red soil include free particulate organic carbon (fPOC), intra–microaggregate particulate organic carbon (iPOC) and mineral associated organic carbon (MOC), were measured and the effects of fertilization on changes of soil organic carbon (SOC) stocks were analyzed. 5NPKM) significantly enhanced SOC and changed its physical fraction distribution.
The signal at 55~56 ppm was methoxyl C. The signals at 71~73 ppm were due to the -CH(OH)- in carbohydrate. The peak at 102~103 ppm was generally assigned to double oxygen-C in polys-accharide (possibly acetal). The maximum absorption at 30 ppm was the contribution of the polymethylene chain -(CH2)n- in saturated hydrocarbons (Wilson, 1981). After OM application, the contents of alkyl C and O-alkyl C increased and the contents of aromatic C and carbonxyl C decreased except for the samples collected in 1986.
Samples from the top red soil (0~20 cm) were collected in September 2007 and the physical fractions of SOC were extracted by the method described by Six et al. (2002). Subsamples of both 1990 and 2007 extracted SOC fractions (fPOC, iPOC and MOC) were ground and analyzed for C and N content using EA 1500 elemental analyzer. 05). 6 Mg·ha-1, respectively. 5NPKM) and addition of NPK with straw (NPKS), compared with those in other treatments. 4 Mg·ha-1). 8 Mg·ha-1 comparing to the same fraction in control.
Molecular Environmental Soil Science at the Interfaces in the Earth's Critical Zone by Jian-Ming Xu, Pan Ming Huang