Igor Palcic

Igor Palcic
Institute of Agriculture and Tourism, Porec, Croatia · Department of Agriculture and Nutrition

PhD

About

36
Publications
7,781
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172
Citations
Additional affiliations
October 2018 - present
Institute of Agriculture and Tourism
Position
  • Research Associate
July 2016 - October 2018
Institute of Agriculture and Tourism
Position
  • PostDoc Position
May 2016 - July 2016
University of Zagreb
Position
  • Professor (Assistant)

Publications

Publications (36)
Article
Full-text available
Shallots are a perennial plant from the Alliaceae family, classified with the common onion under the name of the Allium cepa Aggregatum group. The term shallot is also used for diploid and triploid viviparous onions, known as Allium × proliferum (Moench) Schrad and Allium × cornutum Clementi ex Vis., respectively. In this study, we compared the dry...
Article
Full-text available
The must used to make sparkling wine has a low pH value and moderate sugar content, and its potassium content can have a strong influence. An excess of potassium often leads to an insufficient supply of magnesium, since potassium has a strong antagonistic effect on magnesium, and, consequently, to poorer photosynthesis and a poorer quality of the m...
Article
The utilization of sewage sludge (SS) as a fertilizer for agricultural land is increasingly seen by many as the best option for recycling. This study investigates the effects of SS-derived compost (SSC) or biochar (SSB) amendments on N, P, K, Ca, Mg, Na, Fe, Mn and Mo uptake by Chinese cabbage (Brassica rapa L. subsp. pekinensis (Lour.) Hanelt) fro...
Article
Full-text available
This study investigates the effect of combined sulfur (S) and nitrogen (N) foliar fertilization on leaf S and N concentration, as well as on the growth of olive fruit and on the quantity and quality of olive oil, obtained from two olive cultivars ‘Istarska bjelica’ and ‘Leccino’ in two consecutive years. S and N are some of the most important nutri...
Article
Utjecaj globalnog zagrijavanja nije zaobišao niti vinarsku industriju. To se najbolje očituje kroz porast alkoholne jakosti vina te smanjenje ukupne kiselosti što u konačnici dovodi do značajne promjene u senzornim svojstvima vina. Jedna od mogućnosti smanjenja alkoholne jakosti obuhvaća primjenu različitih selekcioniranih kvasaca (Saccharomyces i...
Article
This study set out to evaluate the effect of using sewage sludge-derived compost (SSC) or biochar (SSB) as a soil amendment on the phytoaccumulation of potentially toxic elements, PTE (Cd, Cr, Cu, Ni, Pb, Zn) and natural radionuclides (²³⁸U and ²³²Th) by Chinese cabbage (Brassica rapa L. subsp. pekinensis (Lour.) Hanelt) in terra rossa and rendzina...
Article
Full-text available
Manganese (Mn) is an essential element that intervenes in several plant metabolic processes. The olive tree, and its fruits and leaves, are known as a source of nutraceuticals since they are rich in biophenols. However, there is still a serious lack of data about biophenolic distribution in olive stems and roots under Mn fertilisation. In this cont...
Article
Full-text available
Plant-based fertilizers, such as liquid plant extracts, contribute to the cultivation of vegetables , particularly in organic production. The objective of this study was to determine if aqueous nettle extract could be successfully used as a fertilizer, applied on the soil and foliarly, in green bean production under field conditions. The hypothesis...
Article
The effects of different fertilisation treatments with arbuscular mycorrhizal fungi (AMF) inoculation on AMF root colonisation, fruit yield, nutrient and total phenol contents, volatile compound composition, and sensory attributes of tomato (Solanum lycopersicum L.) were investigated. Mineral, organic, and mineral+organic fertiliser application pos...
Article
Full-text available
This study evaluated the presence of bioactives in wild nettle leaves and stalks during the phenological stage and in the context of natural habitat diversity. Thus, wild nettle samples collected before flowering, during flowering and after flowering from 14 habitats situated in three different regions (continental, mountain and seaside) were analy...
Article
Full-text available
Organic amendments are often reported to improve soil properties, promote plant growth, and improve crop yield. This study aimed to investigate the effects of the biochar and compost produced from sewage sludge and olive pomace on soil hydraulic properties, water flow, and P transport (i.e., sorption) using numerical modeling (HYDRUS-1D) applied to...
Article
Full-text available
'Malvazija istarska' (Vitis vinifera L.) jedna je od najznačajnijih bijelih sorata u Hrvatskoj. Njezina kvaliteta prepoznata je kako u Hrvatskoj, tako i u cijelom svijetu. Stoga se domaći proizvođači sve češće odlučuju za proizvodnju vina i pjenušaca iz ove sorte. Mošt za proizvodnju baznoga vina za pjenušce po svome sastavu trebao bi zadovoljavati...
Article
Full-text available
Fennel ( Foeniculum vulgare Mill.) is a well-known aromatic plant, widely used as spice and remedy herb. It provides many beneficial effects and is used as diuretic and expectorant, as well as for various dyspeptic disorders. Beside essential oils, fennel seeds are abundant with various phenols, which are known as strong antioxidants and thereby co...
Article
Full-text available
In modern agriculture, besides providing high and stable yields, it is imperative to produce products with a high nutritive quality. The goal of this study was to determine the effect of different fertilization regimes on the macro- and micronutrients in beetroot. A 3-year field trial was set up according to a Latin square method with four types of...
Article
The present study investigated the effect of boron (B) foliar application on the dynamic changes in the concentration of phenols, especially oleuropein, and volatile compounds of olive leaves during a 90-day period. The trial was conducted in a greenhouse on one year old olive plantlets, sprayed with B at 41.62 mM against a water treated control. I...
Article
Four terroirs where cv. Malvasia Istriana is grown under equal viticultural practices and climatic conditions, but on different soil types, were studied. Grape juice samples were taken during ripening at three grapevine growth stages (S35-berries begin to colour and enlarge; S36-berries with intermediate Brix values; and S38-berries harvest ripe)....
Article
This study assesses the potential use of different types of stabilized sewage sludge as a soil amendment by considering their physicochemical characteristics, nutritional status, and their trace metal and radionuclide content. The concentrations of trace metals and radionuclides were determined using ICP-OES and gamma-ray spectrometry, respectively...
Article
BACKGROUND The aim of this study was to examine the effect of foliar (Mn_fol) and soil Zeolite‐Mn (Mn_ZA) application on leaf mineral, total phenolic and oleuropein content, and mycorrhizae colonization of self‐rooted cv. Leccino plantlets grown on calcareous soil. RESULTS The dissolution of zeolite was 97% when citric acid was applied at 0.05 mM...
Article
Full-text available
Aroma profiles and phenolic components of white wines made from ’Pošip’ and ’Škrlet’ (Vitis vinifera L.) both native Croatian, non-aromatic grape varieties enhances the knowledge about these varieties, prepared without maceration (control) and subjected to the pre-fermentative cold maceration (CM). Individual phenolic compounds in wines were determ...
Article
The Leccino olive cultivar was grown in pots contained calcareous rendzina soil amended with NPK fertilizer (control treatment) or with further addition of Zeolite A (ZA) containing either zinc (Zn²⁺) or manganese (Mn²⁺) (Zn-ZA and Mn-ZA). After one year, vegetative growth and root morphological parameters were measured and elemental analysis was p...
Article
Full-text available
Common bean (Phaseolus vulgaris L.) is an important legume crop. In Croatia, many different common bean landraces are grown mostly on small farms and in kitchen gardens. The aim of this research was to determine and compare nutrient content of Croatian common bean landraces and to test the existence of the relationship between common bean nutrient...
Article
Accelerated grape ripening and high wine alcohol content has become a widespread problem in various grape growing regions worldwide in the recent years. One possibility of adaptation to this situation can be obtained by the use of canopy management practices that decrease the leaf area/yield ratio, in order to reduce sugar concentration in grapes....
Article
Full-text available
Soil is a non-renewable resource, so it should be taken care of it. High quality food with sufficient yield for a growing human population can be produced only if plant nutrients are added to the soil by fertilizers to increase soil fertility, but the fertilizers have to be used economically, with the aim of raising the nutrient content available i...
Article
Full-text available
Two-year study was conducted on Italian Riesling cultivar with the aim to compare the effect of foliar sprays with different nitrogen forms on grapevine leaf N status, yield, and nitrogen compounds in grape juice. Treatments included no fertilization (control), soil NPK treatment, and three foliar treatments [amino acids, urea, ammonia (NH4+)/nitra...
Article
Full-text available
Organic fertilizers are an important contribution of organic matter that modify the physical, chemical and microbiological characteristics of the soil. The aim of investigation was to determine the effect of different organic fertilization on soil chemical properties on vineyard calcareous soil. Two-year fertilization trial was carried out in the P...
Article
Full-text available
Phosphorus (P) is a component of phospholipids, nucleic acids and molecules that store energy. It increases yield and water and nutrients use efficiency. Phosphorus turfgrass content is essential for root development, and, indirectly, nutrient uptake. The aim of this research was to determine soil and turfgrass blade phosphorus dynamics on two recr...
Article
Full-text available
Analysis of plant material is the basis for determining nutrient status and planning controlled grapevine nutrition. The aim of this study was to determine the status of Fe, Zn and Mn in cv. Istrian Malvasia leaf as important microelements for both the growth and development of the plant, but also for wine quality. The experiment was set up in four...
Article
Full-text available
Urban parks play an important role in the ecology of human habitats because they filter the air, produce oxygen and provide shelters and habitats for many species, especially birds. They also represent green oases where people affected by stress or overwork may find a place to rest. Urban parks provide a variety of recreational activities for city...
Article
Full-text available
The aim of this experiment was to define the impact of synthetic zeolite fertilization on the leaf mineral composition and nutritive value of radicchio, Cichorium intybus var. foliosum Hegi. cv. Leonardo. The trial was conducted on alkaline, calcareous soil and lasted for 62 days. Fertilizations with Zn, Mn, Fe and Mg were carried out in the form o...

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Projects

Projects (4)
Project
In this project, an interdisciplinary team of scientists aims to conduct applied research in vulnerable sectors of agriculture, natural ecosystems, and biodiversity to develop guidelines for more successful adaptation to climate change of these two vulnerable sectors. The objectives of the applied research include: (1) Identification of vulnerable habitats and species to climate changes of Brassicaceae and Alliaceae families; (2) Conservation of populations of species more sensitive to climate change, by collecting and storing seeds of species of Brassica and Allium families, for long-term seed storage; (3) Recommendation of cultivars of kale and garlic more tolerant to drought and/or heat stress; (4) To study agro-technical measures, irrigation and sowing dates (or planting) which will result in more resilient production system; (5) Study of mechanisms and metabolites potentially responsible for species resistance to abiotic stress factors (drought and/or heat stress); (6) Development of Model farms concept in horticultural production adapted to current climate change; (7) Publication of articles in high-quality international journals; (8) Dissemination and transfer of results through the public media and modern information technology’s (websites and portals, social networks).
Project
Conventional viticulture can lead to the degradation of soils in terms of soil organic matter loss, compaction and reduced water infiltration, reduction of nutrient content and heavy metal accumulation. On the other hand, scientific evidence sharply states that climate change represents a dominant challenge for viticulture in the upcoming decades, since GHG emission, temperature, precipitation, and other factors can directly impact ecosystems. The proposed research aims to integrate the tools for possible mitigation of these two present problems for global viticulture – climate change and soil degradation, using the concept of circular and zero-waste economy, via the valorization and utilization of grapevine pruning residues by their transformation into biochar. The proposed research aims to achieve: the possible reduction of vineyard GHG emissions; alleviation of drought stress by improving soil water holding capacity; and sustainable grapevine nutrient management by giving back the nutrients which will be otherwise lost during pruning. The outcomes of the project will be of practical importance to the agricultural and viticultural sector and a promising tool towards environment-friendly and sustainable grapevine nutrient management and climate change mitigation.
Project
Greenhouse gas (GHG) emissions and climate changes are in causal relationship with agriculture. Agricultural production releases a significant amount of GHG, and at the same time climate changes affects directly the suitability of environment for plant and animal growing. Intensive agriculture is based on a large consumption of fertilizers and their production requires an ample energy and generates significant GHG emissions. One of the widely recognized approaches to reduce the GHG emissions is the reduced use of mineral fertilisers by their replacement with other forms of fertilizers. Untreated urban and agricultural waste represents a serious threat to environment; however after treatments could become a fertilizer that can replace the mineral one. The use of composted sewage sludge and olive pomace, and biochar derived from these wastes, as soil amendment, has been given an attention due to their positive effect on the soil structure, fertility, nutrient recycling, and yield. In Mediterranean area, P-low soils are widely present, and P fertilization is important strategy to optimize crop growth. At the same time, organic waste are often rich on P, particularly sludge waste. Considering the agricultural contribution to GHG emission and limitations in mineral fertilizers supply, the objectives of the project will focus on efficiency of sewage sludge and olive pomace as compost and biochar as soil amendments on increasing soil fertility and reducing GHG emissions compared to mineral fertilizers. The effect of waste amendments on physical and chemical properties and microbiological activity of terra rossa and rendzina soils, plant growth and physiological response, nutrients and toxic metals utilization, yield and quality of tested plant will be explored. The objectives of the proposed project are focused on analysis of existing application and development of new measures for reduction of GHG emissions in agriculture and they fulfil the goal of the call.