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Poultry litter amendments and the mobility and immobility of phosphorus in soil landscapes of Northern Louisiana

, : Poultry litter amendments and the mobility and immobility of phosphorus in soil landscapes of Northern Louisiana. Louisiana Agriculture 41(1): 28

A study was undertaken to determine the capacity of an Ultisol, from north Louisiana, USA, to adsorb phosphate and how closely this adsorption was associated with the soil clay content, to determine the fraction of the phosphate adsorption capacity that became saturated with phosphate in poultry litter amended pasture soils, and to see if and where phosphate was accumulating in the soil profile and whether or not it was moving downslope through the sandy surface horizon.

Accession: 003237414

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Related references

Shreve, B.R.; MooreP.A.Jr.; Daniel, T.C.; Edwards, D.R.; Miller, D.M., 1995: Reduction of phosphorus in runoff from field-applied poultry litter using chemical amendments. Field applications of poultry litter at rates to meet forage N requirements normally result in an over-application of P. Chemical amendments have the potential to reduce the solubility of manure P through precipitation and/or adsorption reactions....

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Felton, G.; Hughes, K.; Russek-Cohen, E., 2004: Water-extractable phosphorus reduction in poultry litter with calcium- and iron-rich byproduct amendments. In the poultry producing regions of Delaware, Maryland, and Virginia, long-term application of poultry litter as the primary crop nitrogen source has resulted in elevated soil phosphorus (P) levels and is suspected of being a source of dissolved p...

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