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soil P

Procedural effects on NaHC03 extractable soil P

Procedural effects on NaHC03 extractable soil P

... The NaHCO extractable P increased linearly with shaking time up to 120 min (Fig. the slope of the increase was almost 8-fold greater for the soil with the greater extractable P concent[r] ...

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Using high resolution phosphorus data to investigate mitigation measures in headwater river catchments

Using high resolution phosphorus data to investigate mitigation measures in headwater river catchments

... agricultural soil P management and subsequent diffuse transfers at high river flows over a 5-year ...flow P pollution from septic tank systems (STSs) and mitiga- tion efforts – a key concern for ...

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A systems approach to the management of arbuscular mycorrhiza: Bioassay and study of the impact of phosphorus supply

A systems approach to the management of arbuscular mycorrhiza: Bioassay and study of the impact of phosphorus supply

... plant P demand in relation to other growth fac- tors, and thus the potential benefit of additional ...the soil P content with positive response to AM (IV: Figures 1b,d and ...plant P demand, ...

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Phosphorus Availability and Proton Efflux of Nodulated-root Varies among Common-bean Genotypes (Phaseolus vulgaris) in Rhizobox

Phosphorus Availability and Proton Efflux of Nodulated-root Varies among Common-bean Genotypes (Phaseolus vulgaris) in Rhizobox

... in P-use efficiency under P stress have been identified (Pereira and Bliss, 1989; Yan et ...to P- limiting ...in P acquisition efficiency may also be related to their ability to alter ...

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Recovery of Soil Test Phosphorus from an Acidic Soil Amended with Organic and Inorganic Phosphorus

Recovery of Soil Test Phosphorus from an Acidic Soil Amended with Organic and Inorganic Phosphorus

... fertilizer P for increasing soil test P levels is typi- cally ...cattle-manure P to crops and it impact on soil P pools may differ from that of inorganic ...Biosolids P ...

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Phosphorus Uptake and Balance in a Soyabean-Maize Rotation in the Moist Savanna of West Africa

Phosphorus Uptake and Balance in a Soyabean-Maize Rotation in the Moist Savanna of West Africa

... grain P content at harvest, there was a significant effect of site ( p < ...year P rate, and site by previous year P rate interaction ( p < ...site, P application in the ...

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Phosphorus Fractions in some Calcareous Soils of Egypt as Affected by Aging and their Properties

Phosphorus Fractions in some Calcareous Soils of Egypt as Affected by Aging and their Properties

... …. P in soils is helpful in determined potential availability of P in calcareous ...of P amongst the different fractions of some calcareous soils as affected by period of soil cultivation and ...

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Exogenous phosphorus compounds interact with nitrogen availability to regulate dynamics of soil inorganic phosphorus fractions in a meadow steppe

Exogenous phosphorus compounds interact with nitrogen availability to regulate dynamics of soil inorganic phosphorus fractions in a meadow steppe

... combined P and N addition (Fig. 1a, b) and a negative correlation between plant P uptake and moderate-cycling IP fractions ...in soil moderate-cycling IP fractions with N addition could have been due ...

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Four soil phosphorus (P) tests evaluated by plant P uptake and P balancing in the Ultuna long-term field experiment

Four soil phosphorus (P) tests evaluated by plant P uptake and P balancing in the Ultuna long-term field experiment

... total soil P concentrations were signifi- cantly increased only in treatments with farmyard manure and sewage sludge, soil P stocks showed more variability between treatments, mostly due to ...

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Linking the depletion of rhizosphere phosphorus to the heterologous expression of a fungal phytase in Nicotiana tabacum as revealed by enzyme labile P and solution 31P NMR spectroscopy

Linking the depletion of rhizosphere phosphorus to the heterologous expression of a fungal phytase in Nicotiana tabacum as revealed by enzyme labile P and solution 31P NMR spectroscopy

... Tayport soil which, based on Olsen extractable P ...sufficient P to support maximum plant ...Shoot P concentrations were up to 29% greater in ex::phyA-1 and ex::phyA-2 as compared to the ...

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The Efficiency of Starter Fertilizer Phosphorus for Corn and Cotton Production on Soils Testing Very High for Phosphorous

The Efficiency of Starter Fertilizer Phosphorus for Corn and Cotton Production on Soils Testing Very High for Phosphorous

... of soil samples submitted to the NCDA&CS soil testing laboratory from around the state, tested very high in soil P (>100 ...as soil test P increases, the risk for off-site ...

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Phosphorus

Phosphorus

... The movement of P from soil to surface waters is described, including the mechanisms of P release and pathways of P transfer from soil to water: this is not only affected by the soil P c[r] ...

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Soil solution phosphorus turnover: derivation, interpretation, and insights from a global compilation of isotope exchange kinetic studies

Soil solution phosphorus turnover: derivation, interpretation, and insights from a global compilation of isotope exchange kinetic studies

... in soil is to add various amounts of P to a soil suspension, equilibrate, and then measure the slope between adsorbed P and P in soil solution (Olsen and Khasawneh, ...in ...

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Correlation of extractable soil phosphorus (P) with plant P uptake: 14 extraction methods applied to 50 agricultural soils from Central Europe

Correlation of extractable soil phosphorus (P) with plant P uptake: 14 extraction methods applied to 50 agricultural soils from Central Europe

... extractable soil phosphorus (P) with plant P uptake: 14 extraction methods applied to 50 agricultural soils from Central ...different soil phosphorus (P) extraction methods in relation ...

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The fate of fertiliser phosphorus in Wharekohe podzols : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Soil Science at Massey University

The fate of fertiliser phosphorus in Wharekohe podzols : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Soil Science at Massey University

... fertiliser P recommendations to farmers (Introduced in 1 ...where P requirements are calculated to replace P lost from the cycling P pool via non-labile P accumulation and runoff ...

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Effects of reduced and traditional tillage on soil properties and diversity of diatoms under winter wheat

Effects of reduced and traditional tillage on soil properties and diversity of diatoms under winter wheat

... of soil disturbance decreases mine- ralization of soil organic matter and can increase storage of soil organic carbon (SOC) Małecka et ...the soil through increased SOC (Czyż and Dexter, ...on ...

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Removal of hydrocarbons from crude oil contaminated agricultural soil by phytoremediation using Mariscus alternifolius and Fimbristylis ferruginea

Removal of hydrocarbons from crude oil contaminated agricultural soil by phytoremediation using Mariscus alternifolius and Fimbristylis ferruginea

... polluted soil (negative control) before planting had TPH concentration of ...treated soil had TPH concentration of ...treated soil had TPH concentration of ...polluted soil before planting as ...

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Field Soil Respiration Rate on a Sub Antarctic Island: Its Relation to Site Characteristics and Response to Added C, N and P

Field Soil Respiration Rate on a Sub Antarctic Island: Its Relation to Site Characteristics and Response to Added C, N and P

... land’s western, northern and eastern lowland plains, at 5 to 11 representative examples (sites) of 19 of the island’s 23 habitats. A detailed description of the vegetation and soils of the habitats may be found in [9] ...

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Soil microbiological properties and enzymatic activities of long-term post-fire recovery in dry and semiarid Aleppo pine Pinus halepensis M.) forest stands

Soil microbiological properties and enzymatic activities of long-term post-fire recovery in dry and semiarid Aleppo pine Pinus halepensis M.) forest stands

... recolonise soil after disturbances is crucial for proper soil ...microbial soil properties and enzyme activities in semiarid and dry Aleppo pine (Pinus halepensis ...chemical soil properties ...

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Phosphorus Fluxes in a Restored Carolina Bay Wetland Following Eight Years of Restoration

Phosphorus Fluxes in a Restored Carolina Bay Wetland Following Eight Years of Restoration

... in soil total P over eight years of successful wetland restoration, estimate P fluxes into and out of Juniper Bay, assess whether further studies of groundwater P fluxes are warranted, and to ...

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