EFFECT OF ORGANIC ANIONS ON PHOSPHATE PRECIPITATION BY IRON AND ALUMINUM AS INFLUENCED BY pH

Struthers, Paul H.; Sieling, Dale H.

doi:10.1097/00010694-195003000-00005

Cited by 89 publications

(33 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…It is interesting to note that increased extractable P with added alfalfa was approximately equal to the 0.5 N H2SO4 extractable P in the alfalfa residue (Table l0) (Nagarajah et al. 1970) or by forming organometallic complexes with Fe and Al (Bradley and Sieling 1953;Struthers and Sieling 1950). Organic P forms such as inositol phosphates could also have contributed to the observed reduction in P retention.…”

Section: Effects Of Organic Residuesmentioning

confidence: 98%

“…More recently, Busman and Tabatabai (1982) reported that adsorption of polyphosphates with 5-25 P atoms was significantly correlated with extractable Fe and Al contents of soils, but that no such relationship was observed with other polyphosphates studied, presumably including PP. Reductions in OP adsorption by soils in the presence of organic residues have been reported (Struthers and Sieling 1950;Dalton et al 1952;Manojlovic 1965;Nagarajah et al I 970) . It was concluded from these studies that during decomposition of organic residues, organic acids formed stable complexes with Fe and Al and/or were adsorbed by ligand exchange onto mineral surfaces, to consequently block P retention in the soil.…”

mentioning

confidence: 94%

See 1 more Smart Citation

Retention of Ortho- And Polyphosphates in Some Quebec Soils as Affected by Added Organic Residues and Calcium Carbonate

Mnkeni¹,

MacKenzie²

1985

Can. J. Soil. Sci.

View full text Add to dashboard Cite

Al and Fe contents, but some significant curvilinear relationships were observed.The results indicate that PP and PolyN-P may be retained to a lesser degree than OP in soils dominated by sesquioxides of Fe and Al. Application of farmyard manure (FYM) and alfalfa residues reduced the retention of ortho-and polyphosphate in the surface soils. The magnitude of the effect was greater with FYM than with alfalfa residues. The results suggest that P uptake from added polyphosphate could be enhanced by added organic residues. CaCO, effects were studied on Uplands topsoil and subsoil only. Added CaCO, reduced PP retention but had no effect on OP retention in Uplands topsoil. In the Uplands subsoil, added CaCO, consistently increased PP and PolyN-P retention but reduced OP retention. The samples were equilibrated under slow, continuous, end-over-end shaking for 24 h at 25"C. (197 l) and Mortvedt and Osborn (1977).

show abstract

Section: Effects Of Organic Residuesmentioning

confidence: 98%

mentioning

confidence: 94%

Retention of Ortho- And Polyphosphates in Some Quebec Soils as Affected by Added Organic Residues and Calcium Carbonate

Mnkeni¹,

MacKenzie²

1985

Can. J. Soil. Sci.

View full text Add to dashboard Cite

show abstract

“…raízes, é real. A sua eficiência é maior do que a dos outros ácidos, em razão de ter os grupos funcionais de hidroxilas e carboxilas (Struthers & Sieling, 1950) ligados a dois carbonos adjacentes, e essa posição favorece a formação de estruturas estáveis com ligações cíclicas com o Al (Huang & Violante, 1986;Hue et al, 1986). Além do ácido cítrico, foram identificados outros ácidos, como o lático e o málico, não existindo diferença (P>0,05) entre as cultivares nos dois grupos (Tabela 3).…”

Section: Diaunclassified

Crescimento radicular e produção de ácidos orgânicos em cultivares de soja com diferentes tolerâncias ao alumínio

Menosso

Costa

Anghinoni

et al. 2001

Pesq. agropec. bras.

View full text Add to dashboard Cite

A elucidação dos mecanismos que definem o comportamento diferencial entre genótipos de soja quanto à toxidez de Al facilita a utilização da variabilidade genética existente ou produzida. O objetivo deste trabalho foi avaliar a influência do Al no crescimento radicular, na modificação do pH da solução e no conteúdo de ácidos orgânicos em extratos de raízes de cultivares de soja tolerantes ao Al, FT-1 e FT-6 (Veneza) e sensíveis, IAC-13 e Paraná. As plantas cresceram por nove dias em solução contendo 50 mg L-1 de Ca e 0,0 e 0,2 mg L-1 de Al, com pH inicial de 4,76. Houve maior crescimento de raízes nas cultivares tolerantes e não houve alterações do pH da solução relacionadas à tolerância das cultivares ao alumínio. A presença do Al reduziu o conteúdo dos ácidos cítrico, lático, succínico, oxálico e málico, em ambos os grupos de cultivares avaliados, porém com maior redução no grupo das cultivares sensíveis. O ácido cítrico foi encontrado em maior quantidade nas cultivares tolerantes. A capacidade das cultivares de soja FT-1 e FT-6 (Veneza) de alterar o conteúdo de ácidos orgânicos não-voláteis, principalmente o ácido cítrico, que pode complexar o Al, indica que este mecanismo pode ser muito importante para a tolerância a esse elemento.

show abstract

“…It was found, however, that there must be more than a molar equivalence of citric acid to iron to maintain all the iron in solution. STRUTHERS and SIELING (26) reported that more than one mole of citric acid is required per mole of iron to maintain all the iron in solution. This fact was substantiated in these experiments.…”

Section: Discussionmentioning

confidence: 99%

EFFECT OF VARIOUS FACTORS ON THE UTILIZATION OF NITROGEN AND IRON BY SPIRODELA POLYRHIZA (L.) SCHLEID.

Bitcover

Sieling

1951

Plant Physiol.

Self Cite

View full text Add to dashboard Cite

EFFECT OF ORGANIC ANIONS ON PHOSPHATE PRECIPITATION BY IRON AND ALUMINUM AS INFLUENCED BY pH

Cited by 89 publications

References 0 publications

Retention of Ortho- And Polyphosphates in Some Quebec Soils as Affected by Added Organic Residues and Calcium Carbonate

Retention of Ortho- And Polyphosphates in Some Quebec Soils as Affected by Added Organic Residues and Calcium Carbonate

Crescimento radicular e produção de ácidos orgânicos em cultivares de soja com diferentes tolerâncias ao alumínio

EFFECT OF VARIOUS FACTORS ON THE UTILIZATION OF NITROGEN AND IRON BY SPIRODELA POLYRHIZA (L.) SCHLEID.

Contact Info

Product

Resources

About