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Cereal Research Communications
Authors: V. Kovacevic, D. Banaj, J. Kovacevic, A. Lalic, Z. Jurkovic, and M. Krizmanic

Antunovic M., Kovacevic V., Banaj D. (2002): Influences of liming on field crops yields on pseudoglay soils. In: Proceedings of the Union of Scientists-Rousse “Energy Efficiency and Agricultural Engineering, Vol

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Cereal Research Communications
Authors: Života Jovanovic, Ivica Djalovic, Ilija Komljenovic, Vlado Kovacevic, and Milica Cvijović

radova, Paraćin, 114–125. Kovacevic V., Bertic B., Grgic D. (1993): Response of maize, barley, wheat and soybean to liming on acid soils. Rostlinna Vyroba 39(1) 41–52. Grgic

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long-term experiment 1994 Kádár, I. et al., 2007. Effect of liming and mineral fertilization on the soil and

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Cereal Research Communications
Authors: Josip Kovacevic, Alojzije Lalic, Vlado Kovacevic, and Djuro Banaj

Antrunovic M., Kovacevic V., Bukvic G. (2001): Influence of liming on maize under drought stress. In: Fertilization in the third millennium — fertilizer, food security and environmental protection” (Lanzhu J

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Nazionale di Požarevac per avermi aiutato nel reperimento delle foto dei pezzi conservati nel loro museo. La mia gratitudine ADD va anche alla prof. Jelena Mrgić, della Facoltà di Filosofia a Belgrado, speciale per aver realizzato la mappa del limes della

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Cereal Research Communications
Authors: Svetislav Popovic, Marijana Tucak, and Zrinka Knezovic

Antunovic M. — Kovacevic V. — Banaj D.: 2002. Influences of liming on field crops yields on pseudoglay soils-In: Proceedings of the Union of Scientists-Rousse “Energy Efficiency and Agricultural Engineering, Vol

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different type of pozzolanic materials as additives to mortars and concretes, as well as to compare their properties. Most studies on the kinetics of metakaolin–lime interaction have been carried out under conditions, which are modeling the practical

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The natural climate variability may be masked by the anthropogenic made global warming, today. With a warmer climate, drought and excess rainfall conditions could become more frequent and longer lasting. The potential increase of the hazards result stresses and high costs in cereal production. For this reason a long-term study was conducted on a sandy acidic lessivated brown forest soil; WRB: Haplic Luvisol in the 44 year old Nyírlugos Field Trial (NYFT) in a Hungarian fragile agroecosystem in Nyírség region (N: 470 41’ 60, and E: 220 2’ 80,) on triticale (× Triticosecale Wittm.) yield between 1999 and 2006. In 1962, at the trial set up the soil had the following agrochemical properties: pH (H 2 O) 5.9, pH (KCl) 4.7, hydrolytic acidity 8.4, hyl 0.3, humus 0.7%, total N 34 mg kg −1 , ammonlactate (AL) soluble-P 2 O 5 43 mg kg −1 , AL-K 2 O 60 mg kg −1 in the plowed (0–25 cm) layer. The trial consisted of 32 × 4 = 128 plots in randomised block design. The gross plot size was 10 × 5 = 50 m 2 . The average fertilizer rates in kg ha −1 year −1 were nitrogen 75, phosphorus 90 (P 2 O 5 ), potassium 90 (K 2 O), calcium 437.5 (CaCO 3 ) and magnesium 140 (MgCO 3 ). The groundwater table had at a depth of 2–3 m below the surface. During drought conditions the respective yield of the control areas was −25% less than for average years. The application N alone or NP and NK treatments led to yield reduction of −19.7%, while that of NPK, NPKCa, NPKMg and NPKCaMg caused an −28.3% yield drop. In the wet years the yield decreased by −22.2% on the unfertilized soils; in case of the N, NP and NK nutrition the yield dropped with an −14.1%; and the yield increased at 13.8% on NPK, NPKCa, NPKMg and NPKCaMg treated plots. Yield dropped in the very wettest year −43.1% on control soils; −39.3% of N, NP and NK loadings, and −35.8% on NPK, NPKCa, NPKMg and NPKCaMg treatments to those in the average year. The relationship between rainfall quantity during the vegetation period and N, P, K, Ca, Mg nutrition and yield was characterised by polynomial correlation (control: R = 0.7212***, N: R = 0.7410***, NP: R = 0.6452***, NK: R = 0.6998***, NPK: R = 0.5555***, NPKCa: R = 0.5578***, NPKMg: R = 0.4869**, NPK CaMg: R = 0.4341**). However, total regression coefficients ranged from 0.43 to 0.74 in depence on the different nutrient application. Maximum yields of 5.8–6.0 t ha −1 were achieve in the rainfall range of 580–620 mm. At values above and below this domain of the precipitation the grain yield reduced quadratically. So, it can be stated that both drought and excess rainfall conditions resulted dramatically significant negative effects between fertilization (N, P, K, Ca, Mg) and triticale yield.

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Journal of Thermal Analysis and Calorimetry
Authors: S. A. Abo-El-Enein, Z. M. Abou-Gamra, F. I. El-Hosiny, and S. M. A. El-Gamal

The hydration of two calcium hydroxide-silica fume mixtures was studied at 25°C. The mixtures were prepared at lime/silica molar ratios of 1.0 and 1.7. The free lime, free silica and chemically combined water contents were determined after various periods of hydration (0.5 h-90 days). Thus, the molar ratios CaO/SiO2 and H2O/SiO2 molar in the calcium silicate hydrates (C-S-H) formed could be derived. The hydrates formed were identified by using differential thermal analysis. The mechanism of the hydration-gardening thermal analysis. The mechanism of the hydration-hardening reaction between lime and silica fumes was suggested. The changes in the molar ratios CaO/SiO2 and H2O/SiO2 in the C-S-H formed with the time of hydration were found to follow the same trends as observed during the hydration course for the suggested mechanism.

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Preservation, Sustainable Use and Revitalisation of the Roman Heritage along the Danube – the EU Interreg DTP Project “Living Danube Limes”#

A Duna Menti Római Örökség Megőrzése, Fenntartható Használata És Újjáélesztése – Az Európai Unió „Élő Dunai Limes” Című Interreg DTP Projektje

Építés - Építészettudomány
Authors: Anna Kaiser and Raffaela Woller

# This article was prepared within the framework of the DTP3-1-359-2.2 project “Living Danube Limes”. All dates are CE, unless stated otherwise. This work was supported by the National Cultural Fund of Hungary (NKA) under Grant Number 101108

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