The effect of chloride and sulphate application to soil on changes in nutrient content in barley shoot biomass at an early phase of growth

J. Matula
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J. Matula: Research Institute of Crop Production, Prague-Ruzyně, Czech Republic

Plant, Soil and Environment, 2004, vol. 50, issue 7, 295-302

Abstract: In this study experiments primarily aimed at the needs of specification of an adequate soil reserve of labile sulphur were extended by investigations of the impact on interactions in nutrient uptake by a test barley plant. Vegetation (18-day) experiments under controlled conditions of cultivation were conducted on a diverse set of 48 soils from agricultural lands. Before barley sowing the experimental set of soils was divided into two variants: A - control (with NH4Cl application) and B - response variant [with (NH4)2SO4 application], and a uniform dose of 26 mg N/kg soil was used. After the experiment terminated, concentrations of N, N-NO3-, S, S-SO42-, P, K, Mg, Ca, Na, Mn and B were determined. Paired t-test revealed significant differences between the sets of data on variants A and B in barley yield and concentrations of sulphur, sulphate, nitrate, phosphorus and boron in barley plants. Sulphate variant (B) had higher yield of barley, higher concentrations of sulphur, sulphate and boron and lower concentrations of nitrate and phosphorus compared to variant A. The lower concentrations of nitrate and phosphorus could not be reasoned by the effect of dilution resulting from the higher barley yield. A substantial decrease in nitrate concentration was related to better utilisation of plant nitrogen after the nutrient status of soil was adjusted with sulphur. Phosphorus concentration in barley adequately corresponded to the soil reserve of labile phosphorus, but only after the phosphorus concentration in barley markedly decreased to the lower level in (sulphate) variant B. Higher concentration of boron in barley could potentially be related to the depression of phosphorus uptake after sulphate application.

Keywords: barley; interaction; sulphur; nitrate; phosphorus; boron (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:50:y:2004:i:7:id:4035-pse

DOI: 10.17221/4035-PSE

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