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By Donald L. Sparks

Advances in Agronomy remains to be famous as a number one reference and a chief resource for the most recent study in agronomy. As continually, the themes coated are diverse and exemplary of the myriad of material handled by means of this long-running serial.

  • Maintains the top influence issue between serial guides in agriculture
  • Presents well timed studies on vital agronomy concerns
  • Enjoys a long-standing popularity for excellence within the field

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Extra resources for Advances in Agronomy, Vol. 125

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It is unclear how d18Ow values vary in a plant or in different parts of plant roots. If the equilibrium d18Op values in roots are different from that in coexisting soil, the presence of root exudates and other root derivatives containing Pi may likely change bulk d18Op values of soil Pi. Because the transport pathway in plant roots is primarily toward plant fodder direction, Pi root exudates may be insignificant to total soil Pi. Further research is needed to identify and distinguish the relative contribution of plant and microbial P cycling pathways in soils.

Environ. Sci. Technol. 47, 2721–2727. , 2005. The oxygen isotopic composition of dissolved anthropogenic phosphates: a new tool for eutrophication research? Water Res. 39, 232–238. , 1996. Selective leaches revisited, with emphasis on the amorphous Fe oxyhydroxide phase extraction. J. Geochem. Expl. 56, 59–78. , 1982. Changes in inorganic and organic soilphosphorus fractions induced by cultivation practices and by laboratory incubations. Soil Sci. Soc. Am. J. 46, 970–976. , 2008. Mass balance and isotope effects during nitrogen transport through septic tank systems with packed-bed (sand) filters.

Astrobio. 8, 27–36. , 2003. Isotope methods for assessing plant available phosphorus in acid tropical soils. Eur. J. Soil Sci. 54, 605–616. , 2007. Phosphorus and sulfur cycling in terrestrial ecosystems. , Rengel, Z. ), Soil Biology, Nutrient Cycling in Terrestrial Ecosystems. Springer–Verlag, Germany. , 2005. Using phosphorus-31 nuclear magnetic resonance spectroscopy to characterize organic phosphorus in environmental samples. S. ), Organic phosphorus in the environment. CABI Publishing, Oxfordshire, UK, pp.

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