Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Svetla Kostadinova"'
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Akademický článek
Uptake and utilization efficiency of nitrogen and phosphorus in barley genotypes
Autor: Svetla KOSTADINOVA, Nevenka GANUSHEVA, Marina MARCHEVA
Publikováno v: Journal of Central European Agriculture, Vol 17, Iss 2, Pp 346-355 (2016)
Field experiment was carried out in order to study the genotypic variation in nitrogen and phosphorus uptake and utilization by barley. The study included nine Bulgarian genotypes of two-rowed barley: three cultivars Krami, Krasen, Kristi and six per
Externí odkaz: https://doaj.org/article/62e36a604e6e4cd0a94381358d03e3fc
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2
ENERGY EFFICIENCY OF NITROGEN FERTILIZATION IN DURUM WHEAT AND SORGHUM GRAINS
Autor: Svetla Kostadinova, Ivan Velinov, Galia Panayotova
Publikováno v: Proceedings of CBU in Natural Sciences and ICT. 1:78-84
The objective of this study was to assess the energy efficiency of nitrogen fertilization in durum wheat and sorghum grains in the period 2017-2019. Bulgarian durum wheat variety Predel was studied at a stationary fertilizer trial on soil type Pellic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88a644b8047dc2b87e0a9cf17602e7a3
https://doi.org/10.12955/pns.v1.126
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3
UPTAKE AND EXPENSE OF NITROGEN, PHOSPHORUS AND POTASSIUM IN GRAIN SORGHUM DEPENDS ON NITROGEN FERTILIZATION
Autor: Svetla Kostadinova, Ivan Velinov, Zhivko Todorov
Publikováno v: AGROFOR. 5
The uptake and expense of nitrogen, phosphorus and potassium in grain sorghum was studied in a field experiment during the period 2017-2018. Hybrid EC Alize was grown under non-irrigated conditions. The applied nitrogen fertilization was in rates 0,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e092bcd8f915f4aff997b05a3567210
https://doi.org/10.7251/agreng2001046t
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4
EFFECT OF NITROGEN ON THE ACCUMULATION AND REUTILIZATION OF DRY MASS IN GRAIN SORGHUM
Autor: Ivan Velinov, Zivko Todorov, Svetla Kostadinova
Publikováno v: AGROFOR. 4
Accumulation and reutilization of dry mass until anthesis and during a grain filling period of sorghum in response to nitrogen fertilization in rates 0, 60, 120, 180, 240 and 300 kg N.ha-1 was studied in a field experiment. Grain sorghum hybrid EC Al
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cb3a5e5ac614c8bf23a5861a73c7a15
https://doi.org/10.7251/agreng1901050k
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6
Agronomic Response of Durum Wheat (Triticum durum Desf.) to Nitrogen Rates in a Long–Term Fertilizing Experiment
Autor: Svetla Kostadinova, Galia Panayotova
Publikováno v: АГРОЗНАЊЕ. 19:99
The aim of the study was to analyze the agronomic response of durum wheat during 1990-2014 to nitrogen rates 0, 40, 80, 120 and 160 kg.ha-1. It was found that without N durum wheat realized grain yield of 2.34 t.ha-1. The highest yield was obtained a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::04019ed4a8c745563c5b77b995c7eff7
https://doi.org/10.7251/agren1802099p
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7
Concentration of Nitrogen, Phosphorus and Potassium in Sorghum Plants Grown at Different Levels of Nitrogen Nutrition
Autor: Ivan Velinov, Zivko Todorov, Svetla Kostadinova
Publikováno v: АГРОЗНАЊЕ. 19:127
The pot experiment was conducted in a greenhouse to study the effect of nitrogen nutrition of 0, 200, 400, 600 and 800 mg N.kg-1 soil on the concentration of nitrogen, phosphorus and potassium in sorghum plants. The plants were analyzed in 4-5 leaves
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23dabd26a8f06bc8b49cf8f3855b3583
https://doi.org/10.7251/agren1802127k
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8
Nitrate is a negative signal for fructan synthesis, and the fructosyltransferase‐inducing trehalose inhibits nitrogen and carbon assimilation in excised barley leaves
Autor: Rafael Martínez-Carrasco, I. Martín del Molino, Svetla Kostadinova, Pilar Pérez, Rosa Morcuende
Publikováno v: Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)
Digital.CSIC. Repositorio Institucional del CSIC
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• Fructan biosynthesis in barley (Hordeum vulgare) has been shown to be upregulated by sugar signalling and downregulated by nitrogen. The relationship between these two regulations is investigated. • Excised third-leaves of barley were fed nitra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b16f1fa2e3ce74d9bed2a86365797be
https://doi.org/10.1046/j.1469-8137.2004.00990.x
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9
Quantitative RT–PCR Platform to Measure Transcript Levels of C and N Metabolism-Related Genes in Durum Wheat: Transcript Profiles in Elevated [CO2] and High Temperature at Different Levels of N Supply
Autor: Björn Usadel, Rubén Vicente, Svetla Kostadinova, Pilar Pérez, Rafael Martínez-Carrasco, Rosa Morcuende
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
47 páginas, 4 tablas, 2 figuras. -- This is a pre-copyedited, author-produced PDF of an article accepted for publication in Plant and Cell Physiology following peer review. The version of record [Rubén Vicente, Pilar Pérez, Rafael Martínez-Carras
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69a31e9c52e2cc630ebf39b934515db2
http://hdl.handle.net/10261/124487
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10
Association of water use efficiency and nitrogen use efficiency with photosynthetic characteristics of two wheat cultivars
Autor: Riki van den Boogaard, Hans Lambers, Erik J. Veneklaas, Svetla Kostadinova
Publikováno v: Journal of Experimental Botany. 46:1429-1438
We examined if higher plant water use efficiency is related to a higher investment of nitrogen in components of the photosynthetic apparatus and if this is associated with a less efficient use of nitrogen for photosynthesis or for growth. We also ass
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e1202441cd58b42e37079bd90d91054
https://doi.org/10.1093/jxb/46.special_issue.1429
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