The Influence of Lime and Phosphatic Fertilizers on the Phosphorus Content of the Soil Solution and of Soil Extracts

Parker, F. W.; Tidmore, J. W.

doi:10.1097/00010694-192606000-00002

Cited by 9 publications

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“…This has been demostrated by chemical analyses of samples from field experiments and under laboratory conditions. Parker and Tidmore (18) showed that the phosphorus concentration in the soil solution and water extracts was higher in the plots treated with lime than in the corresponding untreated ones. The solubility of phosphorus in acid extractants, e.g acetic acid, acid lactate, and diluted mineral acids, is usually increased by liming (1,10,12,15,20), although this does not seem to be always the case (2.5).…”

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confidence: 97%

Effect of liming on the mobilization of soil phosphorus

Kaila

1965

AFSci

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The effect of liming on the soil phosphorus fractions was studied under the laboratory conditions. 28 samples of mineral soils (pH in 0.01 M CaCl2 suspension 4.0 to 6.0) were incubated with 1 per cent CaCO3 or without lime for six months at about 18—20°C. In an other experiment, six samples (pH from 3.3 to 4.3) were incubated with 0, 0.5, 1, or 2 per cent CaCO3 also for six months. At the end of the incubation period the soil pH in the limed samples of the first experiment ranged from pH 5.9 to pH 7.5, in the second experiment the highest application kept the soil pH at 6.5 to 7.0. In the air-dried samples the content of organic phosphorus and the fractions of inorganic phosphorus were determined, and the increases or decreases due to the incubation and liming were calculated. Incubation without lime brought about decrease in the organic phosphorus content of several samples, and the presence of lime tended to intensify this effect, although only in a few cases the decrease due to liming was statistically significant. Liming also tended to increase the accumulation of NH4F-soluble inorganic phosphorus. The acid-soluble fraction was often increased in the limed samples but not in the unlimed ones. The alkali-soluble fraction was decreased in most soils in the limed samples, while it increased in some of the unlimed ones. In the second experiment the incubation caused marked decrease in the alkali-soluble phosphorus without a corresponding increase in the other phosphorus fractions determined in the subsoil samples. It was concluded that in these experiments the relatively heavy liming in the first place affected the distribution of inorganic phosphorus increasing the NH4F-soluble and acid-soluble forms at the expense of the alkali-soluble fraction. The effect on the mineralization of organic phosphorus seemed to be in most soils of minor importance.

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confidence: 97%

Effect of liming on the mobilization of soil phosphorus

Kaila

1965

AFSci

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“…Simultaneously with the work carried out by the writer and unknown to him at the time, investigations of a somewhat similar nature were carried out in America by Parker and Tidmore (10) and in Germany by von Wrangell and her co-workers (li, 12, 13, 14); in both cases the results 37-2 were in close agreement with those obtained by the writer, except that von Wrangell expressed the soil solution and found its phosphate concentration to be a function of the moisture content of the soil. In discussing their results, the authors suggest, as Marais(i5) had done previously, that the concentration of phosphate in the soil solution at the surface of a soil particle is greater than that in the bulk of the solution, and that consequently plants may take up their phosphorus at the surfaces of soil particles from a more concentrated solution than that obtained by displacement or expression.…”

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confidence: 84%

The Availability of Phosphatic Fertilisers as shown by an Examination Soil Solution and of Plant Growth (With Two Text-figures.)

Greenhill¹

1930

J. Agric. Sci.

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The growth of barley and the phosphate concentration of the soil solution, of the soil cropped and uncropped, were examined simultaneously in pot cultures, after treatment of an acid soil deficient in phosphate, with lime with and without slag or superphosphate.Liming at the rate of half the lime requirement increased the concentration from about 0·7 p.p.m. P2O5 to about 1 p.p.m. and at the rate of twice the lime requirement to over 2 p.p.m. P205. Phosphates depressed the concentration on the lightly limed soils, and on the heavily limed had variable effects. The superphosphate-treated soils showed rather lower concentrations than the slag-treated. Cropping raised the concentration on the lightly limed treatments, but on the heavily limed reduced it on the control and had a variable effect on the phosphate treatments.

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“…T ruog ( 18) reported that liming distinctly acid soils to pH of near 7.0 transformed considerable unavailable phosphorus to readily available forms rather rapidly. Other workers also reported that liming acid soils increased availability of phosphorus in soils ( 5,10,13). Whitson and Stoddart (20) observed less response to applied phosphate in limed soil than in acid soils.…”

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Rock Phosphate and Superphosphate as Sources of Phosphorus and Calcium for Alfalfa¹

Thurlow¹,

Smith²

1960

Agronomy Journal

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The Influence of Lime and Phosphatic Fertilizers on the Phosphorus Content of the Soil Solution and of Soil Extracts

Cited by 9 publications

References 0 publications

Effect of liming on the mobilization of soil phosphorus

Effect of liming on the mobilization of soil phosphorus

The Availability of Phosphatic Fertilisers as shown by an Examination Soil Solution and of Plant Growth (With Two Text-figures.)

Rock Phosphate and Superphosphate as Sources of Phosphorus and Calcium for Alfalfa¹

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The Influence of Lime and Phosphatic Fertilizers on the Phosphorus Content of the Soil Solution and of Soil Extracts

Cited by 9 publications

References 0 publications

Effect of liming on the mobilization of soil phosphorus

Effect of liming on the mobilization of soil phosphorus

The Availability of Phosphatic Fertilisers as shown by an Examination Soil Solution and of Plant Growth (With Two Text-figures.)

Rock Phosphate and Superphosphate as Sources of Phosphorus and Calcium for Alfalfa1

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Rock Phosphate and Superphosphate as Sources of Phosphorus and Calcium for Alfalfa¹