Sulphur mineralisation in five Danish soils as measured by plant uptake in a pot experiment

Eriksen, Jørgen; Mortensen, J.; Nielsen, J⊘rgen Dissing; Nielsen, Niels Erik

doi:10.1016/0167-8809(95)00632-x

Cited by 52 publications

(13 citation statements)

References 27 publications

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“…Although the main supply of sulfur in the soil is a part of organic matter, our previous research indicated that it was not possible to rely on a higher supply of available sulfur to plants from mineralization of soil organic matter during the growing season (Matula et al , 2000, which is in accordance with research in Denmark (Eriksen et al 1995, Eriksen 1997. The supply of available sulfur in the soil, i.e.…”

Section: Resultssupporting

confidence: 72%

Sulfur and sulfate concentrations in leaves of oilseed rape under field conditions

Matula¹,

Pechová²

2002

PLANT SOIL ENVIRON

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In 1999-2001 sulfur and sulfate concentrations were studied in expanded young leaves of rapes of the line variety Lirajet and hybrid variety Pronto at the onset of stem elongation (DC 30), flowering (DC 64) and early maturity (DC 70) in different localities of the Czech Republic. Except the S-deficient site the concentration of total sulfur and sulfates in leaves considerably increased in higher growth stages. A less steep increase in S concentration in leaves was associated with rather humid growing season, especially with April precipitation. Great time variations in sulfur concentrations in leaves signal a possibility of diagnostic misinterpretation of plant analysis without exact definition of growth stage. The shape of trend of variations in S concentration in leaves indicates the S nutritive state of the site and the intensity of upward transport of sulfates with soil moisture in the crop nutrition with sulfur. Good yields of rapeseed were connected with minimum concentration of total sulfur 0.5%, and sulfate sulfur 0.2% in leaf dry matter at DC 30. The proportion of sulfates in total concentration of sulfur in rape leaves ranged from 30 to 60% at the onset of stem extension and it increased in higher phenophases. At flowering, sulfates accounted for 80% and more at sites where sulfate uptake from the soil environment was not problematic. Besides the S-soil test, the results of investigations indicate the importance of CEC value of soil for the preventive diagnosis of S-nutrient state of the site.

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Section: Resultssupporting

confidence: 72%

Sulfur and sulfate concentrations in leaves of oilseed rape under field conditions

Matula¹,

Pechová²

2002

PLANT SOIL ENVIRON

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“…In comparison, in 0.15% CaCl2 and in deionized water, the soluble SO4-S is determined exclusively (Blair et al 1991: Spencer andFrency 1960;Saha and Singh 1992;Eriksen et al 1995). Principally, on agricultural soils with soil pH values >5 the adsorption of SO4-S is negligible (Haneklaus, Bloom, and Schnug 2003;Harward and Reisenauer 1996).…”

Section: Discussionmentioning

confidence: 98%

Suitability of Extractants for Predicting Available Sulfur in Natural Grassland in the Inner Mongolia Steppe of China

Cui

Wang

et al. 2006

Communications in Soil Science and Plant Analysis

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It was the objective of this study to compare the suitability of different extractants for predicting the availability of sulfur (S) in natural grassland in a sulfur response trial on three different soil types in the Inner Mongolia steppe of China. For soil analysis, seven different extractants have been employed. The inorganic SO4-S concentration was determined by ion chromatography. Additionally, in the Ca(H:P04)i extract the total soluble S was determined employing turbidimetry. Weak salt solutions (0.15% CaCI., Ca(H2PO4)2, and KH2PO4) extracted similar 721 722 X. Y. Cui et al. amounts of SO4-S. Extraclion with 0.025 M KCl provided the lowest SO4-S values.Deioni/ed water dissolved significanily more SO4-S in Ihe conlrol plots than most weak salt cxtraclaiits. The concentration of soluble organic S decreased in Ihe control plots after 1 (X) days of plant growth, indicating that the organic S pool contrihuted significantly to the S nutrition of the forage crops. Significant relalionships among the SO4-S in the soil determined in different exti'acts and crop yield, sulfur content in the forage, and total sulfur uptake were only found for the Ca(H2PO4)2 extract. In general, the correlation coefficients proved to be unsatisfactory for field experimentation.

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“…Results of research conducted in Denmark (Eriksen et al 1995(Eriksen et al , 1998 documented that the participation of soil organic matter and animal fertilizers in the renewal of the soil reserve of mineral sulphur is hardly important in practice. These conclusions are in agreement with our research on possibilities of renewing labile forms of sulphur from soil organic matter in the critical period after winter.…”

mentioning

confidence: 99%

Barley response to the soil reserve of sulphur and ammonium sulphate in short-term experiments under controlled conditions of cultivation

Matula¹

2004

PLANT SOIL ENVIRON

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The objective of the paper was to determine an appropriate concentration of available sulphur in soil for the initial growth of plants. Based on previous researches two methods of soil extraction were used to acquire information on the soil reserve: water extraction (H 2 O 1:5, w/v) and extraction in 0.5M ammonium acetate with addition of NH 4 F (KVK-UF soil test). Spring barley was used as a test crop to determine the soil reserve of sulphur and its response to sulphur addition to the soil. A collection of 48 samples of topsoil from agriculturally important localities in the CR was made up for this purpose and the parameters of the nutrient status of the soil were remarkably different. A set of soils was used to establish short-time vegetation experiments in a plant growth chamber according to the scheme: A) control -without sulphur application and B) response variant with application of 30 mg S/kg of soil in the form of (NH) 4 SO 4 ; nitrogen in variant A was adjusted by application of NH 4 Cl. Index of nutrient efficiency (IE = Y/N where Y = yield and N = nutrient concentration in the plant) and boundary lines of the point field were used to evaluate the efficiency of barley nutrition with sulphur. The efficient soil reserve of sulphur for the soil test H 2 O (1:5) when the ICP analytical technique was used was indicated in the range of 8-11 mg S/kg; 6-10 mg S/kg for sulphate detection on a SKALAR analyser. The efficient utilisation of sulphur by barley plants for the KVK-UF soil test was in the range of 7-12 mg S/kg. The conversion of the KVK-UF S-test to the index of soil reserve of sulphur by adding up a variable portion of the CEC value to the value of sulphur determined by the soil test (0.0167CEC + 9.1667) improved the closeness of the relationship between soil and plant.

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Sulphur mineralisation in five Danish soils as measured by plant uptake in a pot experiment

Cited by 52 publications

References 27 publications

Sulfur and sulfate concentrations in leaves of oilseed rape under field conditions

Sulfur and sulfate concentrations in leaves of oilseed rape under field conditions

Suitability of Extractants for Predicting Available Sulfur in Natural Grassland in the Inner Mongolia Steppe of China

Barley response to the soil reserve of sulphur and ammonium sulphate in short-term experiments under controlled conditions of cultivation

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