Advances in Agronomy by Donald L. Sparks PDF

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 chief resource for the newest study in agronomy. As regularly, the topics coated are various and exemplary of the myriad of subject material handled by way of this long-running serial.

  • Maintains the top impression issue between serial guides in agriculture
  • Presents well timed experiences on vital agronomy matters
  • Enjoys a long-standing attractiveness for excellence within the field

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Lignin, cellulose, pectin) for v(C–O) absorbance (1160–1020 cm−1). In cases where identifying SOM composition and/or quantifying functionalities is not necessary, absorbance assignment may be irrelevant. g. py-GC-MS, py-MBMS) can be used to fingerprint soils or OM samples by chemical composition. , 2010). 5–50% soil C); spectra were then corrected for particle size. The potential for overlap of mineral and organic absorbances was not taken into account, but differences in absorption were assumed to be due to SOM (reflecting differing vegetation) given similar mineralogy.

2001) and Boily et al. (2006) used FTIR to study dehydroxylation of goethite during phase transition to hematite, and Ruan et al. (2002b) applied FTIR microscopy to further study this phenomenon. Similar to Balan et al. (2008, 2006) and Ferreira et al. (2011), Blanchard et al. (2008) employed molecular modeling and FTIR spectroscopy to interpret and assign vibrational bands observed in the spectrum of hematite. Chernyshova et al. (2007) used FTIR and Raman spectroscopy to identify maghemite-like defects in the structure of hematite nanoparticles (7–120 nm) and the role both particle size and growth kinetics have on the formation of structural defects.

Hexa- and pentahydrites) and niter were observed only in the efflorescence of structures weathered indoors. The assignment of the magnesium sulfate hydrates was based on the extensive Raman study of this series of hydrates by Wang et al. (2006). The effectiveness of micro-Raman in the investigation of weathering products is also evident in a study of soils present at an abandoned zinc and lead mine by Goienaga et al. (2011). By analyzing samples from the top 2 cm of soil, they were able to identify the presence of 16 primary (including dolomite, calcite, fluorite, graphite, and rutile) and 23 secondary minerals (zinc, cadmium, and lead minerals) resulting from several processes 36 Sanjai J.

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Advances in Agronomy by Donald L. Sparks

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