New PDF release: Advances in Agronomy

By Donald L. Sparks

ISBN-10: 0128001321

ISBN-13: 9780128001325

ISBN-10: 0128003235

ISBN-13: 9780128003237

Advances in Agronomy is still famous as a number one reference and a primary resource for the most recent learn in agronomy. As constantly, the topics lined are different and exemplary of the myriad of material handled via this long-running serial.

  • Maintains the top effect issue between serial courses in agriculture
  • Presents well timed reports on very important agronomy matters
  • Enjoys a long-standing attractiveness for excellence within the field

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Extra resources for Advances in Agronomy

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2008, 2006) and Ferreira et al. (2011) demonstrate the potential utility of coupling ab initio calculations with experimentally collected vibrational spectra to further understand the nanoscale architecture of minerals, but also indicate that molecular modeling is currently unable to replace experimental spectra. As noted earlier, Fe oxides have been extensively studied using vibrational spectroscopy due to their widespread occurrence and diversity, high reactivity, and importance as soil coloring agents.

These spectra demonstrate the complementary and unique information provided by these techniques. Gray boxes have been placed over the spectra to indicate areas of differences. ) Reprinted with permission Maquelin et al. (2003). The high resolution and size scale necessary for these samples have meant ready application for micro-Raman and SERS. The first study to apply SERS to bacterial cell wall research examined impregnated and coated E. coli bacteria with silver colloids and observed sharp and intense SERS spectra (Efrima and Bronk, 1998).

The study compared in situ OM spectra with extracted humic acids, showing the effects of the extraction process (appearance of potentially degraded ester band at approximately 1720 cm−1 and loss of amide II band at 1520 cm−1). In another application of IR microscopy, DRIFTS mapping was utilized to map the distribution (mm-scale) of OM composition on soil microaggregate surfaces. , 2010a). SR-FTIR spectroscopy has also shown capabilities of fingerprinting complex materials such as soil organic carbon (SOC).

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Advances in Agronomy by Donald L. Sparks

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