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Registros recuperados: 71
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Effects of organic versus conventional farming on different chemical soil parameters in Estonia Organic Eprints
Sanchez de Cima, Diego; Reintam, Endla; Luik, Anne.
A five-year experiment results, have shown that fertilizer amendments are needed for preserving the nutrient balance in the soil. A combination of cattle and green manure, crop rotation and other organic farming practices, with chemical fertilizer amendments could suppose a sustainable solution for maintaining a correct nutrient balance in the soil in long term, better than both farming systems, conventional and organic, by separate.
Tipo: Conference paper, poster, etc. Palavras-chave: Soil quality; Composting and manuring; Nutrient turnover.
Ano: 2013 URL: http://orgprints.org/24599/1/24599.pdf
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Fertilization and field crops effect on earthworms Organic Eprints
Reintam, Endla; Kahu, Greete; Are, Mihkel; Talgre, Liina; Luik, Anne.
Soil quality can be estimated through soil chemical, physical and biological properties, from which the detection of biological indicators is the most difficult. Usually the earthworms are the easiest detectable species to evaluate sustainability of soil biota on arable land.
Tipo: Conference paper, poster, etc. Palavras-chave: Soil biology Cereals; Pulses and oilseeds Soil tillage Biodiversity and ecosystem services Farm nutrient management.
Ano: 2016 URL: http://orgprints.org/32503/1/Reintam_IFS_2016.pdf
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Effect of housing systems on biochemical composition of chicken eggs Organic Eprints
Matt, Darja; Veromann, Eve; Luik, Anne.
The aim of this study was to investigate the impact of different production systems (organic, conventional) on the quality of chicken eggs.
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health.
Ano: 2009 URL: http://orgprints.org/18612/1/Effect_of_housing_systems_on_biochemical_composition_of_chicken_eggs.pdf
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Crop yields and supply of nitrogen compared in conventional and organic farming systems Organic Eprints
Alaru, Maarika; Talgre, Liina; Eremeev, Viacheslav; Tein, Berit; Luik, Anne; Nemvalts, Anu; Loit, Evelin.
The aim of organic agriculture is to produce food of high nutritional quality in sufficient quantity. Field experiments were conducted to evaluate the effect of organic and conventional growing systems on (i) total amounts and sup-ply of N taken up or applied to plants during a five year crop cycle period and (ii) crops total dry matter (DM) yield obtained during same period. The total DM yields from the organic treatments were 25–33% smaller than from the conventional treatments. The ratio of N output/N input was significantly the smallest in the organic treatment with cattle manure, where only 37% of all supplied N was used by plants during the crop cycle period. The organic fertiliser with faster mineralisation rate and splitting the application of...
Tipo: Journal paper Palavras-chave: Soil quality; Soil tillage; Air and water emissions.
Ano: 2014 URL: http://orgprints.org/31287/1/alaru-etal-2014-Agri_FoodSci-Vol23-issue4-p317-326.pdf
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Soil carbon dynamics estimation and dependence on farming system in a temperate climate Organic Eprints
Kauer, Karin; Tein, Berit; Sanches De Cima, Diego; Talgre, Liina; Eremeev, Viacheslav; Loit, Evelin; Luik, Anne.
Maintaining or enhancing the stock of soil organic carbon (SOC) is a key factor in sustaining the soil resources of the world. The objective of this research was to study the effect of different farming systems (conventional farming with mineral fertilizers and crop specific fertilization vs. organic farming with organic fertilizers (catch crops and composted manure)) under the same 5-crop rotation (red clover, winter wheat, pea, potato, barley undersown with red clover) system on the SOC stock and the stability of SOC. The second aim was to quantify plant C inputs to the soil and to identify the relationship between C sequestration rate and C input. Data presented in this paper concerned the first rotation during 2008–2012. The main factors were farming...
Tipo: Journal paper Palavras-chave: Soil quality; Crop husbandry; Soil.
Ano: 2015 URL: http://orgprints.org/29151/1/kauer%20et%20al%202015.pdf
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Kartul mahe- ja tavaviljeluse süsteemide võrdluskatses aastatel 2008-2012 Organic Eprints
Eremeev, Viacheslav; Tein, Berit; Luik, Anne.
Kartul on üheks armastatumaiks kultuuriks nii meil kui maalimas. Kartulit on läbi aegade peetud teiseks „leivaks“ ning tänapäeval ei kujutaks meist keegi ette oma toidulauda, kui sealt puuduks toidukartul. Maheviljelus on Eestis aasta-aastalt laienenud on mahekartulikasvatuse pindala siiski iga aastaga vähenenud. Uurimistöö eesmärk oli uurida kuidas erinevad viljelusviisid mõjutavad mugulate saagistruktuuri elemente ning kui suurt mõju avaldab see saagi kvaliteedile.
Tipo: Conference paper, poster, etc. Palavras-chave: Production systems Crop health; Quality; Protection Root crops.
Ano: 2012 URL: http://orgprints.org/22064/1/eremeev_et_al_2.pdf
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Soil physical properties under different cropping systems in Estonia Organic Eprints
Sanchez de Cima, Diego; Reintam, Endla; Luik, Anne.
A five years crop rotation system in organic and conventional conditions in Estonia were studied to determine soil physical properties.
Tipo: Conference paper, poster, etc. Palavras-chave: Soil quality; Soil.
Ano: 2012 URL: http://orgprints.org/22105/1/Sanchez_de_Cima_etal_EUROSOIL_2012_Bari.pdf
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Kasvatustehnoloogia mõjutab kartuli kuivlaiksuse esinemist Organic Eprints
Runno-Paurson, Eve; Tein, Berit; Luik, Anne.
Kartuli kuivlaiksust (Alternaria solani, A. alternata) on seni Eestis peetud suurt kahju põhjustavaks kartulihaiguseks. Viimastel aastatel on kuivlaiksus osutunud suureks probleemiks Eesti kartulipõldudel, seda eriti just vastuvõtlikel sortidel. Kuumadel keskmise niiskusega kasvuaastatel on kuivlaiksusele vastuvõtlikel sortidel vaja tavaviljeluses teostada keemilist tõrjet, kuna haigus hävitab enneaegselt kartuli lehestiku, sageli enne veel kui lehemädanik lööbida jõuab. Kuivõrd maheviljelus välistab keemilise tõrje, siis tuleb leida kasvatustehnoloogilisi võtteid ning kasutada võimalikult haigusekindlaid sorte. Uurimustöö eesmärgiks oli selgitada, kuidas erinevad maheviljeluse tehnoloogiad mõjutavad kartuli kuivlaiksuse arengut haigusele soodsal...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection.
Ano: 2012 URL: http://orgprints.org/26796/1/paurson_et_al_2012.pdf
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Teravilja saak ja saagi kvaliteet sõltuvalt viljelussüsteemist Organic Eprints
Talgre, Liina; Eremeev, Viacheslav; Alaru, Maarika; Tein, Berit; Kuht, Jaan; Luik, Anne.
Jätkusuutlikuks maheviljeluseks on oluline arendada viljelussüsteeme, mis tagaksid elurikkuse suurenemise, mullaviljakuse paranemise ja hea ning kvaliteetse saagi. Selles mängib keskset rolli liblikõielisi kultuure sisaldav ja taimetoitainete tasakaalu säilitav kohalikesse oludesse sobiv külvikord. Taimetoitainetega paremaks varustatuseks saab külvikorras kasutada veel vahekultuure, komposte või sõnnikut. Nende lagunemisel muutuvad toitained taimedele kättesaadavaks aeglasemalt ja ühtlasemalt, kindlustades nii külvikorras järgnevate kultuuride stabiilse varustatuse lämmastikuga. Käesoleva uurimuse eesmärk oli selgitada odra ja nisu saagikus ning saagi kvaliteet nende kasvatamisel viieväljases külvikorras kolmes eri maheviljelussüsteemis, mis erinesid...
Tipo: Conference paper, poster, etc. Palavras-chave: Composting and manuring Crop husbandry Crop health; Quality; Protection.
Ano: 2014 URL: http://orgprints.org/27692/1/talgre.pdf
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Kartuli kasvatamise mõju mulla toitainete sisaldusele maheviljelussüsteemide võrdluskatses Organic Eprints
Eremeev, Viacheslav; Kuht, Jaan; Tein, Berit; Talgre, Liina; Alaru, Maarika; Loit, Evelin; Luik, Anne.
Kartul on üheks armastatumaiks kultuuriks nii meil kui maailmas. Teda on läbi aegade peetud teiseks "leivaks" ning tänapäeval ei kujutaks meist keegi ette toidulauda, kust puuduks kartul (Eremeev jt., 2012). Mahepõllumajanduslikult kasvatatav kartulipind on Eestis pidevalt suurenenud. Samas ei ole seni veel piisavalt andmeid selle kohta, kas põhiliselt vaid mulla toitainevarudel ja haljasväetistaimedel baseeruv majandamine on piisavalt jätkusuutlik. Kas ilma sõnnikuta külvikordades – paljudes mahetaludes ju loomakasvatus puudub – võib toimuda mulla väljakurnamine (Järvan jt., 2014)? Käesoleva töö eesmärgiks oli uurida kuidas erinevate maheviljelusviisidega kartuli kasvatamine mõjutab mulla toitainete sisaldust.
Tipo: Conference paper, poster, etc. Palavras-chave: Farming Systems; Crop husbandry; Soil.
Ano: 2017 URL: http://orgprints.org/32514/1/Eremeev%20et%20al%202017.pdf
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Organic farmers’ motivations and challenges for adopting conservation agriculture in Europe Organic Eprints
Casagrande, Marion; Peigne, Joséphine; Payet, Vincent; Mäder, Paul; Sans, F. Xavier; Blanco-Moreno, José Manuel; Antichi, Daniele; Barberi, Paolo; Beeckmann, Annelies; Bigongiali, Federica; Cooper, Julia; Dierauer, Hansueli; Gascoyne, Kate; Grosse, Meike; Heß, Jürgen; Kranzler, Andreas; Luik, Anne; Peetsmann, Elen; Surböck, Andreas; Willekens, Koen; David, Christophe.
Conservation agriculture and organic farming are considered as promising sustainable agricultural system for producing food, while minimizing environmental impacts. Despite an increasing number of experimental data on organic conservation practices and various studies dealing with the adoption of conservation agriculture by farmers, none of those studies have specifically addressed conservation agriculture adoption under organic conditions in Europe. We carried out a survey with 159 farmers located in 10 European countries. These farmers had applied at least two of the following conservation practices: (i) no-tillage, (ii) reduced tillage and (iii) green manures. Each farmer assessed socio-economic, agronomic and environmental motivations and problems for...
Tipo: Journal paper Palavras-chave: "Organics" in general; Soil tillage; Environmental aspects.
Ano: 2015 URL: http://orgprints.org/29478/1/casagrande-etal-2015-OrganicAgriculture-p1-15-OrgFarmersMotivations.pdf
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Knowledge transfer in organic farming in Estonia Organic Eprints
Peetsmann, Elen; Talgre, Liina; Luik, Anne.
In order to improve the training and knowledge transfer system, the Ministry of Rural Affairs prepared a long-term programme of knowledge transfer in organic farming for the period 2016–2019. The programme, financed from the Rural Development Plan, has been implemented in cooperation with five organisations. All the programme’s activities are targeted to each part of the organic food production chain: farmers, processors, caterers and distributors.
Tipo: Conference paper, poster, etc. Palavras-chave: Technology transfer.
Ano: 2018 URL: http://orgprints.org/35146/1/Peetsmann%20et%20al_ICOAS2018_BoA.pdf
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Farming systems affect potato (Solanum tuberosum L.) tuber and soil quality Organic Eprints
Tein, Berit; Kauer, Karin; Eremeev, Viacheslav; Luik, Anne; Selge, Are; Loit, Evelin.
The aim of this study was to investigate how different farming systems influenced tuber yields and quality (N, NO3−, P, K, Ca, Mg, dry matter and starch concentrations) of potato as well as how potato cultivation within a crop rotation under different farming systems affects soil quality (pH, Ntot, Corg, plant available P, K, Ca and Mg concentrations). Potato (Solanum tuberosum L.) was part of a five crop rotation experiment in which red clover (Trifolium pratense L.), winter wheat (Triticum aestivum L.), peas (Pisum sativum L.), potato and barley (Hordeum vulgare L.) followed each other simultaneously on a same field. Data presented in this paper concerned the first 3 years of the rotation during 2009–2011. The experiment was performed with six different...
Tipo: Journal paper Palavras-chave: Production systems; Root crops.
Ano: 2014
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Quality of Organic vs. Conventional Food and Effects on Health Organic Eprints
Matt, Darja; Rembialkowska, Ewa; Luik, Anne; Peetsmann, Elen; Pehme, Sirli.
This report analyses the nutritional quality of organic and conventional food as well as the health effects of pesticide residues, nitrates, mycotoxins and artificial additives and gives an overview of animal and human experiments.
Tipo: Report Palavras-chave: Food security; Food quality and human health.
Ano: 2011 URL: http://orgprints.org/19504/1/Report_2011_(1).pdf
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Green manures as winter cover crops enhance soil improvement and weed regulation in crop rotation Organic Eprints
Talgre, Liina; Eremeev, Viacheslav; Sanchez de Cima, Diego; Tein, Berit; Reintam, Endla; Matt, Darja; Luik, Anne.
The aim of this research was to explain the effect of different green manures as winter cover crops and their combination with cattle manure on soil properties, weeds and crop yields in five-field crop rotation experiment of three different organic cropping systems.
Tipo: Conference paper, poster, etc. Palavras-chave: Soil quality; Soil biology; Composting and manuring; Crop husbandry; Soil; Weed management.
Ano: 2014 URL: http://orgprints.org/26840/1/EULS_2014_Lyon_poster.pdf
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Winter cover crops impact on plant nutrients in an organic crop rotation Organic Eprints
Talgre, Liina; Eremeev, Viacheslav; Tein, Berit; Madsen, Helena; Luik, Anne.
In crop rotations winter cover crops (WCC) can play a certain role in organic matter and plant nutrient formation. Under Nordic conditions the selection of crops for winter cover crops is quite limited. The aim of the present research was to explain the biomass and nutrients (N, P and K) formation by certain winter cover crops in an organic crop rotation. The effects of WCC on the following main crop yields were monitored.
Tipo: Conference paper, poster, etc. Palavras-chave: Soil; Farm nutrient management.
Ano: 2016 URL: http://orgprints.org/32506/1/Talgre%20et%20al%202016_nitrogen%20abstracts.pdf
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Viljelusviisi mõju talinisu tärkliseteradele ja jahusaagile Organic Eprints
Alaru, Maarika; Talgre, Liina; Eremeev, Viacheslav; Riisalu, Anu; Loit, Evelin; Luik, Anne.
Nisu on maisi ja riisi kõrval üks olulisemaid teravilju maailmas. Tema kogutoodangust kasutatakse 75 – 78% inimestele toiduks, ülejäänud läheb valdavalt loomadele söödaks. Euroopas on mahesüsteemis kasvatatud nisu saagikus keskmisena 30 – 40% madalam kui tavasüsteemis kasvatatud nisul, seda enam tuleb hinnata erinevates süsteemides kasvatatud nisu kvaliteeti. Püüli- e peenjahu saak on oluline kvaliteedinäitaja, mida mõjutab suurel määral taimede kasvukeskkond. Peale sorditunnuste sõltub kasvukeskkonnast näiteks tera kõvadus, mis omakorda mõjutab nisuterade jahvatusefektiivsust. Pehmema nisutera jahvatamisel saadakse üldjuhul rohkem ebaregulaarse kuju ja väikese diameetriga osakesi, mis vähendavad jahu voolavust, põhjustades seadmete ummistusi (Evers ja...
Tipo: Conference paper, poster, etc. Palavras-chave: Farming Systems Food security; Food quality and human health Cereals; Pulses and oilseeds Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/32513/1/Alaru%20et%20al%202017..pdf
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Soil chemical properties under different nutrient managements in Estonia Organic Eprints
Sanches De Cima, Diego; Reintam, Endla; Eremeev, Viacheslav; Luik, Anne.
A five years research run at the experimental station of the Estonian University of Life Sciences in Eerika, Tartu, Estonia since 2008 on Albic Stagnic Luvisol soil, compared the evolution of different elements (Corg, N, P, K) in soil with time, on the basis of conventional and organic farming. For this aim, 80 plots under the same crop rotation (pea, potato, barley, red clover and winter wheat) were divided as follows: 40 cultivated under conventional farming system with different concentrations of mineral fertilizers (20 without addition of chemical fertilizers: N0P0K0; and 20 with a final concentration equals to N125P25K95) and the remaining 40 plots cultivated under organic farming conditions with winter oil-rape after pea, winter rye after potato and...
Tipo: Conference paper, poster, etc. Palavras-chave: Soil quality; Composting and manuring; Nutrient turnover; Soil.
Ano: 2013 URL: http://orgprints.org/26838/1/Down%20to%20Earth%202013%20Abstract.pdf
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Effect of different production systems on yield and quality of potato Organic Eprints
Eremeev, Viacheslav; Keres, Indrek; Tein, Berit; Lääniste, Peeter; Selge, Are; Luik, Anne.
Effects of different agricultural practises (organic, conventional) on yield and quality of potato were compared.
Tipo: Journal paper Palavras-chave: Crop health; Quality; Protection.
Ano: 2009
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Viljelusviisi mõju jooksiklaste liigirikkusele Organic Eprints
Kruus, Märt; Kruus, Eha; Luik, Anne.
Jooksiklased on tähtsad põllumajandusmaastike asustajad, olles seotud oma arengu ja eluviisiga tihedalt pinnasega. Kuigi jooksiklasi teatakse kui aplaid röövloomi, on nende hulgas palju taimtoidulisi, kes kasutavad toiduks paljude umbrohutaimede seemneid (Honek jt., 2003, Lundgren, 2009). Põldudel reguleerivad nad nii kahjurite kui umbrohtude esinemist. Jooksiklaste liigirikkus kultuurmaastikel on peale pinnase eripärasuste sõltuv veel paljudest teguritest, näiteks nii kasvatatavast kultuurist kui viljelusviisist. Töö eesmärgiks oli Eesti Maaülikooli katsepõllul Eerikal välja selgitada jooksiklaste liigiline koosseis ja selle sõltuvus kasutatud viljelusviisidest ning seosed katsekultuuridega.
Tipo: Conference paper, poster, etc. Palavras-chave: Biodiversity and ecosystem services.
Ano: 2012 URL: http://orgprints.org/22461/1/kruus_et_al_2.pdf
Registros recuperados: 71
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