Long-term manure application effects on phosphorus speciation, kinetics and distribution in highly weathered agricultural soils
Abstract Phosphorus (P) K-edge XANES and Fe K-edge EXAFS spectroscopies along with
sequential P chemical fractionation and desorption kinetics experiments, were employed to …
sequential P chemical fractionation and desorption kinetics experiments, were employed to …
Organic matter effects on phosphorus sorption in sandy soils
Phosphorus (P) sorption processes in soils contribute to important problems in agriculture: a
deficiency of this plant nutrient and eutrophication in aquatic systems. Soil organic matter …
deficiency of this plant nutrient and eutrophication in aquatic systems. Soil organic matter …
Relationship between soil test phosphorus and phosphorus release to solution in three soils after long-term mineral and manure application
Continued fertilizations have led to soil phosphorus (P) concentrations that exceed those
required for optimal plant growth. In this study, P accumulation and leaching were …
required for optimal plant growth. In this study, P accumulation and leaching were …
Soil tests as risk indicators for leaching of dissolved phosphorus from agricultural soils in Ontario
Phosphorus movement in subsurface flow from agricultural soils can be a significant
pathway contributing to eutrophication of surface waters. Our study aimed to evaluate …
pathway contributing to eutrophication of surface waters. Our study aimed to evaluate …
Assessment risk of phosphorus leaching from calcareous soils using soil test phosphorus
Accurate estimation of phosphorus (P) leaching is important because excess P may reduce
surface and ground water quality. Little attention has been paid to estimate P leaching from …
surface and ground water quality. Little attention has been paid to estimate P leaching from …
Phosphorus saturation and superficial fertilizer application as key parameters to assess the risk of diffuse phosphorus losses from agricultural soils in Brazil
In Brazil, a steady increase in phosphorus (P) fertilizer application and agricultural
intensification has been reported for recent decades. The concomitant P accumulation in …
intensification has been reported for recent decades. The concomitant P accumulation in …
Phosphorus-related properties in the profiles of three Italian soils after long-term mineral and manure applications
The long-term evolution (44 years) of phosphorus (P) in 1-m profile of three reconstructed
soils (0–80 cm= sandy, SDY; clay, CLY; and peaty, PTY; 80–100 cm= native layers) typical …
soils (0–80 cm= sandy, SDY; clay, CLY; and peaty, PTY; 80–100 cm= native layers) typical …
A phosphorus sorption index and its use to estimate leaching of dissolved phosphorus from agricultural soils in Ontario
Compared with soil testing phosphorus (STP), such as Olsen P, the degree of P saturation
(DPS) generally improves the risk prediction for soil P loss. This study was conducted to …
(DPS) generally improves the risk prediction for soil P loss. This study was conducted to …
Estimating dissolved reactive phosphorus concentration in surface runoff water from major Ontario soils
Phosphorus (P) loss from agricultural land in surface runoff can contribute to eutrophication
of surface water. This study was conducted to evaluate a range of environmental and …
of surface water. This study was conducted to evaluate a range of environmental and …
Variations in stream water and sediment phosphorus among select Ozark catchments
Stream sediments play a large role in the transport and fate of soluble reactive phosphorus
(SRP) in stream ecosystems, and equilibrium P concentrations (EPC0) of benthic sediments …
(SRP) in stream ecosystems, and equilibrium P concentrations (EPC0) of benthic sediments …