Tag Archives: Farmyard manure

xxx A.O. Markosyan, M.H. Zadayan, S.K. Baghdasaryan, S.Z. Kroyan, S.A. Markosyan and G.H. Gasparyan
Influence of fertilization on yield, nutritional and qualitative characteristics of potato tubers under different agro-climatic conditions in Armenia
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Influence of fertilization on yield, nutritional and qualitative characteristics of potato tubers under different agro-climatic conditions in Armenia

A.O. Markosyan¹, M.H. Zadayan²*, S.K. Baghdasaryan¹, S.Z. Kroyan³, S.A. Markosyan⁴ and G.H. Gasparyan¹

¹Armenian National Agrarian University, Scientific Center of Soil Science, Agrochemistry and Melioration named after H. Petrosyan, 24 Admiral Isakov Ave, AM0004 Yerevan, Armenia
²Center for Agricultural Research and Certification, State Non-Commercial Organization of the Ministry of Economy of the Republic of Armenia, AM1139, v. Merdzavan, Armavir Marz, Yerevanyan highway 2nd deadlock, building 4, Armenia
³National University of Architecture and Construction of Armenia, Department of Engineering Geodesy, Teryan Str., 105, AM0009 Yerevan, Armenia
⁴Yerevan State University, Faculty of Biology, Department of Biology, 1 Alex Manoogian, AM0025 Yerevan, Armenia
*Correspondence: mhzadayan@gmail.com

Abstract:

This study investigates the effects of mineral (N150P120K120, ‘Control-Treatment 1’) and organo-mineral fertilization (with 20 t ha⁻¹ of farmyard manure (FYM), ‘Treatment 2’, and 40 t ha⁻¹ of FYM, ‘Treatment 3’) on the yield, nutritional value, and quality of potato (Solanum tuberosum L.) tubers under different agro-climatic conditions in Armenia. Field trials were conducted in two contrasting regions: Dasht village (Ararat Plain, 850 m a.s.l.) with cultivated irrigated meadow-fulvous soils, and Vahan village (Gegharkunik Highlands, 2000 m a.s.l.) with mountain black soils (chernozems). The research measured tuber yield, dry matter, starch, vitamin C, and protein content over three years (2019–2021).

Application of T3 (NPK + 40 t ha⁻¹ FYM) significantly improved all measured indicators. Yield increased by up to 28%, dry matter by 10.8%, starch by 12.0%, vitamin C by 13.4%, and protein content by 14.4%. Climate conditions also had a significant impact on tuber productivity and composition. In chernozems, compared to irrigated meadow-fulvous soils, yield increased by 15.1–21.6%, and the content of dry matter, starch, and vitamin C increased by 3.1–8.7%. However, protein content was higher in the irrigated meadow-fulvous soils by 3.4–5.2%.

These results demonstrate the importance of fertilization strategies tailored to specific agroecological zones and climatic trends, particularly in the context of climate change adaptation.

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2581-2591 P. Šařec, O. Látal, P. Novák, J. Holátko, V. Novák, T. Dokulilová and M. Brtnický
Changes in soil properties and possibilities of reducing environmental risks due to the application of biological activators in conditions of very heavy soils
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Changes in soil properties and possibilities of reducing environmental risks due to the application of biological activators in conditions of very heavy soils

P. Šařec¹*, O. Látal², P. Novák³, J. Holátko⁴, V. Novák¹, T. Dokulilová⁴⁵ and M. Brtnický⁴⁵

¹Czech University of Life Sciences Prague, Faculty of Engineering, Department of Machinery Utilization, Kamýcká 129, CZ165 000 Praha 6 – Suchdol, Czech Republic
²Agrovýzkum Rapotín Ltd., Rapotín, Výzkumníků 267, CZ788 13 Vikýřovice, Czech Republic
³Czech University of Life Sciences Prague, Faculty of Engineering, Department of Agricultural Machines, Kamýcká 129, CZ165 000 Praha 6 – Suchdol, Czech Republic
⁴Mendel University in Brno, Faculty of Forestry and Wood Technology, Department of Geology and Pedology, Zemědělská 1, CZ61 300 Brno, Czech Republic
⁵Mendel University in Brno, Faculty of AgriSciences, Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Zemědělská 1, CZ61 300 Brno, Czech Republic
*Correspondence: psarec@tf.czu.cz

Abstract:

This study aims at verifying the effect of farmyard manure (FYM) and of selected activators (Z’fix and NeoSol) on changes of soil properties. Their application should lead to improvement of soil physical properties and of organic matter fixation, to reduction of environmental risks, e.g. of tillage energy requirements. Experimental variants (0.7 ha each) were as follows: I (FYM with Z’fix); II (FYM with Z’fix + NeoSol); III (FYM); IV (Control NPK only). FYM was applied at rates: 50 t ha-1 (2014); 30 t ha-1 (2016). Additional NPK fertilizer (I–IV) was applied according to annual crop nutrient normative. The agent Z’fix was used as an activator of FYM biological transformation (5.5 kg t-1). The agent NeoSol was used as soil activator (200 kg ha-1; annually). In order to verify the effect, cone index, bulk density, tillage implement draft and chemical soil components (Humus, C/N ration and Ntot) were measured annually. Compared to the control, the application of FYM combined with the mentioned agents (I–III) increased Ntot more than two times. Moreover, it decreased (I–III) bulk density by 8.7%. Tillage implement draft decreased by 3% after the application of FYM with Z’fix (I, II). The study confirmed that FYM application combined with utilization of activators positively influenced soil fertility and helped to reduce environmental risks.

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1494-1504 O. Szabó, G. Kovács and B. Heil
Effects of nutrient supply and planting material quality on yield and survival rate of a short rotation coppice culture in Hungary
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Effects of nutrient supply and planting material quality on yield and survival rate of a short rotation coppice culture in Hungary

O. Szabó*, G. Kovács and B. Heil

Institute of Environmental and Earth Science, Faculty of Forestry, University of West–Hungary, Bajcsy–Zs. Street 4, H–9400 Sopron, Hungary
*Correspondence: szabo.orsolya@emk.nyme.hu, orsoy@freemail.hu

Abstract:

In May 2011, a short rotation woody energy plantation (SRC) was established near Dejtár village in Northern–Hungary. The goal of the experiment was comparative analyses of different fertilization treatments on three clones of Populus (AF2, Monviso, Pannonia) and one Salix cultivar (‘Dékány’). We used three fertilization treatments: (1) 5 t ha–1 of wood ash, (2) 40 t ha–1 of farmyard manure and (3) both 5 t ha–1 of wood ash and 40 t ha–1 of farmyard manure. The Monviso clone had the highest survival rate (92%), followed by Pannonia (80%) and AF2 (78%). Initially, the white willow ‘Dékány’ cultivar was also included in the experiment, but due to differing site preferences of this cultivar, it was not viable in the area. Based on the data of the first three growing seasons, it was demonstrated that the important nutrients had already been present in optimal amounts from the start of the experiment, and their contents were increased due to the treatments. At the end of the first growing season, the effect of the fertilization treatment could not be detected, but by the third year the results showed a significant positive effect. Already in the second, but mostly at the end of the third growing season, the wood ash + manure fertilizer treated plots showed significant increases in height growth and biomass yield.

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