Agnieszka Klimek-Kopyra

Agnieszka Klimek-Kopyra
University of Agriculture in Krakow | UR · Department of Agroecology and Plant Production

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95
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Publications

Publications (95)
Article
Production of wheat (Triticum aestivum L.) is affected by changing weather conditions, which are difficult to predict especially under climate change. Therefore, facultative varieties can be beneficial, because of their high adaptability in sowing time. Information on yield and yield components of facultative wheat in temperate climate, however, is...
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Climate change has prompted the search for new methods for improving agricultural practices for legume crops. The aim of the study was to test an innovative method of complementary photostimulation of seeds and plants aimed to improve the quantitative and qualitative features of soybean (Glycine hispida L. (Merr.)) yield. Complementary photostimula...
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In Central European cropping systems, there is increasing interest in winter faba bean (Vicia faba L. minor), which is traditionally used as a spring crop. But limited knowledge on yield and yield formation and optimum seeding rate exist. Therefore, the purpose of this assessment was to compare soil coverage, yield and yield components of two winte...
Article
A three-factor field experiment was carried out to assess the effects of the selection of cultivar, seeding rate, and foliar application of boron in cultivation of oilseed flax. The study showed that boron application had a significant effect on components of yield structure and a slight effect on seed quality. Seed weight, seed number per capsule,...
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Organic matter is an indispensable element of soil. Its quantity and quality affect its properties, e.g., structure, buffering, sorption capacity, air–water relations, and thermal properties.The purpose of the research was to assess greenhouse gas (GHG) emissions in soybean cultivation, fertilized with biochar from various crops. Two experimental f...
Article
In a two-factor field experiment, the stem and leaf characteristics and productivity of the ‘Flanders’ and ‘Barbara’ linseed cultivars were compared in four developmental stages in relation to the sowing method. The linseed grown in intercropping with pea, irrespective of the cultivar, was characterized by small leaves in the stem extension stage,...
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Globally, agriculture accounts for 80–90% of the fresh water used by humans, and in many crop production systems; this water use is unsustainable. Irrigation of large areas of field and horticultural crops is impossible. Studies of the impact of drought on important field and horticultural crops are necessary to estimate dimensions of adaptation an...
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Soybean (Glycine max L.) is one of the most important crops grown globally. Biochar has been proposed as an alternative to aid sustainable soybean production. However, comprehensive studies that include both the economic aspects of soybean production and biochar are scarce. Poland, with an economy largely based on agriculture, is an interesting cas...
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The laser stimulation of seeds is regarded as a modern method of seed enhancement. Our study evaluated the productivity and health of soybean plants resulting from the coherent irradiation of seeds and irradiation of an arbuscular mycorrhizal fungi (AMF) inoculum. The two-factor pot experiment took into account (1) the type of irradiated biological...
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Grain legumes are valuable sources of protein and contribute to the diversification and sustainability of agricultural systems. Shifting the sowing date from spring to autumn is a strategy to address low yields of spring grain legumes under conditions of climate change. A two-year field experiment was conducted under Pannonian climate conditions in...
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Climate change has a decisive impact on the physical parameters of soil. To counteract this phenomenon, the ongoing search for more effective agri-technical solutions aims at the improvement of the physical properties of soil over a short time. The study aimed to assess the effect of biochar produced from sunflower husks on soil respiration (SR), s...
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Phenotypic plasticity of agricultural plants is considered to be one of the main means by which plants cope with the variability of environmental factors. A major contributor to plant plasticity is sowing density, which has a relevant impact on competitive intensity concerning plant density in different environments (CI) and absolute severity of co...
Article
Intercropping is commonly used in low-input systems but could also be a strategy for higher input systems. Three ratios of substitutive oat-pea intercrops were tested on a fertile soil in eastern Austria with application of a low nitrogen (N) fertiliser rate (6 g N m −2) versus an unfertilised control to assess the effect of intercropping and low N...
Article
According to the International Energy Agency, biorefinery is "the sustainable processing of biomass into a spectrum of marketable bio-based products (chemicals, materials) and bioenergy (fuels, power, heat)". In this review, we survey how the biorefinery approach can be applied to highly porous and nanostructured materials, namely aerogels. Histori...
Chapter
The use of laser biostimulation technology in agriculture has thus far been limited to assessment of the effect of stimulation of seeds or seedlings on crop yield, mainly due to the technical limitations of the apparatus. Advances in mechatronics will enable broader application of laser biotechnology, for stimulation of plants in field conditions i...
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The aim of this paper was to investigate the relation of temperature of the soil surface to a biochar dose used in the field cultivation. Material from observations in a vegetation season of 2018 and 2019 was used in the studies. Based on the research that was carried out it was reported that the strongest relations of the temperature of air with t...
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Water is the most important substance which occurs in soils. As a soil solution it is a basis of life for plants, as well as a carrier of mineral salts collected by plants through roots. Ability to collect water by plants depends on the power of its binding with soil and thus on the quality of soil and amount of water. The objective of the article...
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Water is the most important substance which occurs in nature. As a soil solution it is a basis of life for plants, both as an indispensable element of plant tissues as well as a carrier of mineral salts collected by plants through root hair. Ability to collect water by plants depends on the power of its binding with soil and thus on the quality of...
Article
Full-text available
According to the International Energy Agency, biorefinery is "the sustainable processing of biomass into a spectrum of marketable bio-based products (chemicals, materials) and bioenergy (fuels, power, heat)". In this review, we survey how the biorefinery approach can be applied to highly porous and nanostructured materials, namely aerogels. Histori...
Chapter
Soja jest najważniejszym gatunkiem rolniczym z roślin bobowatych. Jej uprawa rozwinęła się na zachodniej półkuli, głównie w USA, Brazylii i Argentynie ze względu na duże zapotrzebowanie na białko niezbędne do produkcji pasz dla zwierząt gospodarskich. Do krajów Europejskich importowana jest poekstrakcyjna śruta sojowa (35 mln t rocznie), głównie GM...
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Ecological intensification of crop production involves the use of intercrops and the rational use of inoculation and fertilization in case of intercrops including legume species. The root system plays an important role in the productivity of crops. Therefore, effects of the inoculation treatments (Nitragina) or foliar fertilization (Photrel) or a c...
Article
Growing interest in soybean (Glycine max (L.) Merr.) cultivation, especially in the temperate climate zone, necessitates the search for high-yielding varieties with an optimal growing period. In Europe, it is recommended to cultivate early (00) and very early (000) varieties, which due to their biology form the first pair of pods very low, just abo...
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The aim of the study was to evaluate grain yields, protein yields, and net metabolic energy yields of different combinations of spring types of barley, oat, and wheat arranged in 10 mixtures and grown under different soil types. Naked cultivars of barley and oat were used. The three-year field experiment was conducted at the Agricultural Advisory C...
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Laser irradiation is considered a new technology in agriculture; however, the success of irradiation depends on the selection of precise parameters for the light source and exposure. In this study, the impact of laser stimulation on germination and the occurrence of mycoflora in soybean seeds was assessed. The following factors were considered: (1)...
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Due to the absence of a suitable method and standardized procedures, the root systems of plants have been evaluated to a much lesser extent than aboveground organs. The aim of this article is (i) to provide a detailed description and thus standardization of an upgraded procedure of electrical capacitance measurement for evaluating the size of the r...
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In this 3-year study the suitability of the normalized differenced vegetation index (NDVI) to the evaluation of pea plant infestation by aphids and expected seeds yield was investigated. The effect was assessed in the conditions of the increasing doses of phosphorus fertilization (0, 70, and 140 kg P2O5 ha–1) and in the different pea aphid (Acyrtho...
Article
Climate change brings increasing attention to winter sowing of traditionally spring sown crops. Crop stand height, soil coverage, grain yield and yield components of six winter pea varieties and one spring pea variety were compared in eastern Austrian growing conditions in 2014 and 2015. Crop stands of winter pea were taller up to the end of May be...
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In this work, an attempt was made to use the WOFOST (WOrld FOod Studies) model to simulate the potential and water-limited yield of early potato cultivars Lord and Denar. Data from cultivar experiments carried out at the Polish Research Centre for Cultivar Testing in 2004–2013 were used in the study. The Lord cultivar yielded 22.4–67.8 t fresh tube...
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Full-text available
The aim of this paper was to investigate the relation of temperature of the soil surface to a biochar dose used in the field cultivation. Material from observations in a vegetation season of 2018 was used in the studies. Based on the research that was carried out it was reported that the strongest relations of the temperature of air with the temper...
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Full-text available
The article presents the possibilities of using time-domain reflectometry (TDR) to determine the water content and electrical conductivity of mineral soil with biochar addition. The TDR method consists in measuring the time of electromagnetic pulse transmission and reflection from the obstacle back to the source point. The impulse is a step signal...
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The article presents analysis of retention properties of mineral soil formations enriched with biochar and an attempt was made to characterise the states of hydration. Due to a complex and time-consuming process of direct measurement of hydration and retention soil characteristics (the so-called pF curve). The paper investigates the relation betwee...
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Due to the rapid shrinking of supply of mineral nutrients as well as observed weather fluctuations in throughout Europe in recent ten years, sustainable phosphorus fertilization has become an important aspect of legume cultivation. There is a lack of knowledge about the effect of phosphorus (P) nutrition on the pea seed yield and quality in water p...
Chapter
Linseed is one of the most important sources of valuable edible oil in temperate climate conditions. According to FAO (2016) linseed is cultivated over an area of 2.76 mln ha, of which 23.4% falls is in Canada 10.7%, in China and 10.6% in India. Amongst the 300 species of linseed belonging to the family Linaceae, the species Linseed (Linum usitatis...
Article
Shifting from spring-sowing to autumn-sowing of crops might be a way to address expected changes in agro-climatic conditions in Central European cropping systems. Therefore, a two-year field experiment was conducted under Pannonian climate conditions in eastern Austria for assessing development, soil coverage and yields of winter faba bean and wint...
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The study aimed at comparing the yield of dry biomass and energy efficiency of 22 willow cultivars depending on the harvesting frequency and variable plant density. The field experiment was established in 2010. The willow cultivars were planted in two densities; 13 300 and 32 500 plants per ha. Among the compared cultivars in the second year (2013)...
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In the cooler regions of Europe, the success of winter pea cultivation depends strongly on proper plant development before winter. Previous research has suggested that plants need to develop short internodes and at least their first two leaves before the arrival of frost. However, this stage of growth is sometimes not reached in the event of late s...
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The bacterial nodulation ( nod ) genes are essential in the formation process of root nodules. This study was aimed to verify the occurrence of nodule-associated bacteria in two pea varieties (“Tarchalska” and “Klif ”) inoculated with Rhizobium inoculants – Nitragine™ and a noncommercial one produced by the Polish Institute of Soil Science and Plan...
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In three seasons 2010-2013, field experiments with two hybrid cultivars of winter oilseed rape were conducted in three localities in Southern Poland, with the aim of assessing changes in the harvest index, as compared to the agricultural harvest index of winter oilseed rape, defined as the harvest index decreased by the stubble height in relation t...
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The selection of varieties is extremely important for decreasing fertilizer consumption. However, little attention is devoted to assessing the effectiveness of row spacing in tandem with types of varieties of pea on root development in the context of limited nutrition. As essential knowledge in this area is lacking, a study was conducted with two o...
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The article presents the possibilities of using time-domain reflectometry (TDR) to determine the temperature and moisture content of mineral soil. The TDR method is based on measuring the time of an electromagnetic impulse’s flow between the source and the obstacle. The reflected signal contains information about the dielectric properties of the te...
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The paper analyses the impact of biochar on the volumetric density of the soil, with simultaneous fertilization with an agricultural biogas plant digestate. For the purpose of the research, 10 experimental fields were prepared for the study, in accordance with good agricultural practice. To verify the results, a single-factor variance analysis was...
Article
Nine sowing densities of linseed were compared in a two-year experiment. Self-regulation of the density of a linseed stand resulted in a differentiated branching of the plants. The number of capsules on a linseed shoot, as well as seeds in the capsule, and the number of seeds from the shoot were highly varied from year to year, and there is even a...
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In a two growing seasons (2010-11 and 2011-12) field experiment carried out in temperate climate of Central Europe, the green area index, features of siliques and chemical composition of the seeds of two heterosis cultivars of winter rape, cultivated in three locations: Głubczyce, Pawłowice, and Prusy were compared. It was observed that siliques lo...
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The aim of the study was to describe the distribution of pea root mass in the soil, over a three-year period, under varying weather conditions and at different levels of phosphorus application, by means of evaluating and comparing parameters of a mathematical model characterising cumulative root mass distribution. A two-factor experiment was condu...
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Given the growing interest in ecological intensification directed towards sustainable crop production, a study was conducted to assess the biological and production response of pea intercropped with spring wheat or linseed under various growing conditions. The experiment was conducted in 2009-2011 on a Haplic Phaeozem soil in the western part of Po...
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This research evaluated the NDVI (normalized difference vegetation index) and GAI (green area index) in order to indicate the productivity and developmental effects of Rhizobium inoculants and microelement foliar fertilizer on pea crops. Two inoculants, Nitragina (a commercial inoculant) and IUNG (a noncommercial inoculant gel) and a foliar fertili...
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In recent years, sustainable crop development has played a key role in current strategies to improve roots activity, which increase nutrients uptake in pulse crop. Our study presents the relationship between root system morphology, inoculant application with and without foliar fertilization and nitrogen accumulation in soil and plants. Two inoculan...
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A three-year field experiment was conducted to compare the chemical composition of the seeds of two linseed-pea mixtures, that is the cv. ‘Flanders’ with the cv. ‘Ramrod’ and cv. ‘Barbara’ with cv. ‘Phönix’. The results indicate that the chemical composition of the seeds of the linseed cultivars was not significantly affected by the sowing method,...
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The aim of this thesis was to evaluate the impact of a sowing method (pure, 2-species and 3-species sowing) on the health condition of an ear, leaves and a stem base of winter triticale, Borowik variety. A single-factor experience was conducted in three repetitions on a very good wheat complex soil. In mixed 2-species sowing spring triticale accoun...
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The aim of the study was to determine the biomass and nitrogen accumulation in early maturing soybean plants experiencing contrasting weather conditions. Soybean ( Glycine max ) is a species of agricultural crop plant that is widely described in scientific publications. During 2014–2016, a field experiment with early maturing soybean ‘Merlin’ was c...
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The objective of the study was to evaluate the influence of sowing (pure, mixed double-and triple-species) on condition of ear, leaves and stem base of winter wheat of Ozon variety. The experiment was carried out in three replicates on a very good wheat soil complex. Based on the study it was found that during vegetation period, winter wheat was at...
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The literature contains few studies on the effect of temporary soil drought on the development and productivity of pea (Pisum sativum L.) pods in relation to their position in the fruiting part of the stem. The aim of this study was to evaluate pod productivity of various pea cultivars in relation to varied weather conditions. Differences in preci...
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The development of seeds at various positions in the pod is asynchronous. Thus, the differences of seed dry mass production because of environmental conditions may depend on the cultivar type, type of inoculants and interrelations between seeds per pod, pods per plant or seeds per plant. Presently, a mathematical description of pea seed categorisat...
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The aim of the research was the evaluation of the influence linseed-legumes intercropping on linseed yield, fat yield, caloric value of the fat and fatty acids composition. The experiment was performed on experimental field in Kraków (50°07'N 20°05'E). The greatest fat content was found in linseed seeds from mixed cropping with pea (391 kg). Signi...
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Cereal straw is an important biomass source in Europe. This work assessed: 1) the morphological and energetic characteristics of culms of spring and winter cereals, 2) the energy deposited in the different aboveground parts of cereals, 3) losses of energy due to different cutting heights. The straw of winter and spring cereals was collected from ar...
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Field experiments were conducted between 2010–2014. The experiments were settled in 5 different habitats located in north-west part (high soil requirements quality) and south-east part (low soil quality) region of our country. Four species were assessed: white mustard, California bluebell (tansy phacelia), narrow leaved lupin (high alkaloid content...
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The study evaluated the productivity of three species of winter cereals – wheat, rye, and triticale – in sole cropping and in mixtures of two and three species. Asymmetrical interspecific competition was noted during generative growth stages. The greatest competitive strength was observed for triticale in the mixture with wheat during the heading s...