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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ñáîðíèê
| Äîêëàäè
| Arnaudov V., Andreev R., Kutinkova H., Raikov S. First record of Eurytoma schreineri Schreiner (Hymenoptera, Eurytomidae) in Bulgaria. 52nd Croatian and 12th International Symposium on Agriculture, February 12-17, 2017, Dubrovnik, Croatia. Faculty of Agriculture, Josip Juraj Strossmayer University of Osijek, Guberac V. (Editor). Book of Proceedings 2017, pp. 44-46. |
30.04.2021 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ñáîðíèê
| Äîêëàäè
| Ó÷êóíîâ, È., Ñ. Ðàéêîâ, È. Íèêîëîâà, Ñòîïàíñêà ñòîéíîñò íà äèïëîèäíè ìíîãîñåìåííè îïðàøèòåëè çàõàðíî öâåêëî, Ñáîðíèê ñ äîêëàäè îò Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ïðèðîäíè íàóêè 2018“, 5-7 îêòîìâðè 2018, Øóìåí, Óíèâ. èçä. „Åï. Êîíñòàíòèí Ïðåñëàâñêè“, Øóìåí, 2018, 128-134. |
12.04.2019 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ñáîðíèê
| Äîêëàäè
| Ó÷êóíîâ, È., Ñ. Ðàéêîâ, È. Íèêîëîâà, Óñòîé÷èâîñò íà íÿêîè ãúáíè áîëåñòè ïðè ìàé÷èíè ôîðìè (ìúæêîñòåðèëíè ëèíèíè) çàõàðíî öâåêëî è òåõíèòå õèáðèäè, Ñáîðíèê ñ äîêëàäè îò Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ïðèðîäíè íàóêè 2018“, 5-7 îêòîìâðè 2018, Øóìåí, Óíèâ. èçä. „Åï. Êîíñòàíòèí Ïðåñëàâñêè“, Øóìåí, 2018, 120-127. |
12.04.2019 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ñáîðíèê
| Äîêëàäè
| Èâàíîâ, È., Ê. Òàíîâà, Ñ. Ðàéêîâ, Ðàçâèòèå íà áîëåñòè â öàðåâè÷íè ïîñåâè â ðàéîíà íà ãð. Áàë÷èê, Ñáîðíèê ñ äîêëàäè îò Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ïðèðîäíè íàóêè“, 29.09-01.10.2017, Âàðíà, Óíèâ. èçä. „Åï. Êîíñòàíòèí Ïðåñëàâñêè“, Øóìåí, 2017, 53-57. |
12.04.2019 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ñáîðíèê
| Äîêëàäè
| Àòàíàñîâ, Ã., Ê. Òàíîâà, Ñ. Ðàéêîâ, Ðàçâèòèå íà ëèñòåí ïðèãîð, êàôÿâà ðúæäà è ôóçàðèîçà â ïøåíè÷íè ïîñåâè îò ðàéîí Äîáðè÷, Ñáîðíèê ñ äîêëàäè îò Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå „Ïðèðîäíè íàóêè“, 29.09-01.10.2017, Âàðíà, Óíèâ. èçä. „Åï. Êîíñòàíòèí Ïðåñëàâñêè“, Øóìåí, 2017, 58-64. |
12.04.2019 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Ó÷êóíîâ È., Ñ. Ðàéêîâ,Â. Ó÷êóíîâ. 2015ã. Ñåëåêöèîííî-àãðîòåõíè÷åñêè àñïåêòè íà êðúìíî è ñàëàòíî öâåêëî- Ìîíîãðàôèÿ. Faber. V.Tarnovo. Öèòèðàíà â: Dochev V., Atanasov A., Dyakova G., Mincheva R., Stoyanova S. and K. Tanova. 2016. Study on the effects of Aminobest and Biobest organic fertilizers on the productive layering capacity and grain yield in winter common wheat ( Triticum aestivum L.). International Journal of Current Research Vol. 8, Issue, 03, pp. 27329-27331, March, 2016. (IF- 6.226). |
29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Svilen Raykov, Mariela Andreeva, Milena Simeonova. 2011. Iinfluence of pre-sowing treatment of sorghum seeds with microelements on the germination and growth of plants in the initial stages of their development. Proceeding of the 4-rd International Symposium “ New Researches in Biotechnology “, Simp BTH2011, Series F XV, Romania, 2011, ñ.63-69. Öèòèðàíà â: Dochev V., Atanasov A., Dyakova G., Mincheva R., Stoyanova S. and K. Tanova. 2016. Study on the effects of Aminobest and Biobest organic fertilizers on the productive layering capacity and grain yield in winter common wheat ( Triticum aestivum L.). International Journal of Current Research Vol. 8, Issue, 03, pp. 27329-27331, March, 2016. |
29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Svilen Raykov ,2009. Influence on some preparations with biological activity on the crop and the quality of the foddar sugar beet, Agricultorul roman, Anul Õ², Nr.5(125), mai 2009, pp.12-15. Bucuresti, Romania Öèòèðàíà â: Dochev V., Atanasov A., Dyakova G., Mincheva R., Stoyanova S. and K. Tanova. 2016. Study on the effects of Aminobest and Biobest organic fertilizers on the productive layering capacity and grain yield in winter common wheat ( Triticum aestivum L.). International Journal of Current Research Vol. 8, Issue, 03, pp. 27329-27331, March, 2016. (IF- 6.226). |
29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Krasimira Tanova, Svilen Rajkov – Evaluation of isolates of Rhyzoctonia solani & Fusarium oxysporum on sugar beet under field conditions, International Journal of Forestry and Horticulture (IJFH), Volume 2, Issue 1, 2016, PP 15-18 |
29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Svilen Raykov, Krasimira Tanova – Influence of the medium salinity on the agent, causing the sugar beet root dacay (Rhizoctonia solani Kuhn), International Journal of Current Agricultural Research, Vol. 04, No. 01, PP. 202-204, January, 2016. |
29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Krasimira Tanova and Svilen Raykov – Evaluation of Rhyzoctonia solani and Fusarium oxysporum on sugar beet under field conditions, (IJIRR) International journal of information research and review, Vol 03, Issue, 02, pp. 1921-1924, February, 2016. (IF- 4.332)
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29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Svilen Rajkov, Krasimira Tanova – Influence of biohumax and biotor S preparations on beet seminal micoflora and beet crop rotation, (IJISET) International Journal of Inovative Science, Engineering & Technology, Vol. 3, Issue 2, February 2016, ISSN 2348-7968. (IF- 4.332)
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29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Krasimira Tanova, Svilen Rajkov – Development of root rot in natural infection background, (IJISET) International Journal of Inovative Science, Engineering & Technology, Vol. 3, Issue 2, February 2016, ISSN 2348-7968. (IF- 4.332).
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29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Svilen Raykov and Krasimira Tanova – Studies of fungal isolates from sugar beet rhizosphere, International Journal of Current Research Vol. 8, Issue, 01, pp.24944-24946, January, 2016. (IF- 6.226)
|
29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Uchkunov.I ., S.Raykov, V. Uchkunov, K. Tanova, À. Mehmed - Productivity and resistance of parental forms and hybrid of sugar beet which are tolerant to rhizomania disease, International Journal of Research Studies in Agricultural Sciences (IJRSAS) Volume 2, Issue 1, PP1-4 ISSN 2454-6224., January 2016. (IF – 2.991)
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29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Svilen Raykov and Krasimira Tanova. Studied of fungal isolates from sugar beet rhysosphere. International Journal of Current Research . Vol 8, Issue, 01, pp.24944-24946,January , 2016 (IF- 6.226). |
29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Svilen Raykov and Krasimira Tanova – Influence of extract of tutsan (Hypericum perforatum L) on cause of fusarium root dacay in beet (Fusarium oxysporum), International Journal of Current Research Vol. 8, Issue, 01, pp.24947-24949, January, 2016. (IF- 6.226).
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29.11.2016 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
|
Äðóãè
| Öèòèðàíèÿ
| Arnaudov, V., Raykov, S., Davidova, R., Hristov, H., Vasilev, V., Petkov, P. 2012. Monitoring of pest populations – an important element of integrated pest management of field crops. – Agricultural Science and Technology, 4, (1), 77 – 80. Öèòèðàíà â: Abbas arbab 2015. Scrobipalpa ocellatella http://www.sbsi.ir/uploads/khabarpics/ sugar_ fact_94/m_2_9.pdf |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Äðóãè
| Ìîíîãðàôèè
| È. Ó÷êóíîâ, Ñ. Ðàéêîâ, Â. Ó÷êóíîâ – Ñåëåêöèîííî – àãðîòåõíè- ÷åñêè àñïåêòè íà êðúìíî è ñàëàòíî öâåêëî. Óíèâåðñèòåòñêî èçäàòåëñòâî “Åïèñêîï Ê. Ïðåñëàâñêè”, Øóìåí 2015 |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ñáîðíèê
| Ñòàòèè
| Âåñåëèí Àðíàóäîâ, Ñâèëåí Ðàéêîâ, Ðîñèöà Äèìèòðîâà, Æèâêî Æåêîâ - ×óâñòâèòåëíîñò íà íÿêîè ÿáúëêîâè ñîðòîâå êúì íàïàäåíèå îò ëèñòíè âúøêè. Èçâåñòèÿ íà ñúþçà íà ó÷åíèòå - Ðóñå / Òîì 7. Àãðàðíè è âåòåðèíàðíî-ìåäèöèíñêè íàóêè, 2015, ñ.156-159. |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ñáîðíèê
| Ñòàòèè
| Âåñåëèí Àðíàóäîâ, Ñâèëåí Ðàéêîâ, Ðîñèöà Äèìèòðîâà, Æèâêî Æåêîâ - ×óâñòâèòåëíîñò íà íÿêîè ÿáúëêîâè ñîðòîâå êúì íàïàäåíèå îò ëèñòîìèíèðàùè ìîëöè. Èçâåñòèÿ ía ñúþçà íà ó÷åíèòå - Ðóñå / Òîì 7. Àãðàðíè è âåòåðèíàðíî-ìåäèöèíñêè íàóêè, 2015, ñ. 116-121. |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Àðíàóäîâ Â., Ñ. Ðàéêîâ, Ð. Äèìèòðîâà, Õð. Õðèñòîâ, Ä. Êþ÷óê, 2015. ×óâñòâèòåëíîñò íà íÿêîè îðåõîâè ñîðòîâå êúì íàïàäåíèå îò îðåõîâàòà ëèñòíà âúøêà Callaphis juglandis Frisch. (Hemiptera: Aphididae). Journal of Mountain Agriculture on the Balkans, 2015. |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Àðíàóäîâ Â., Ñ. Ðàéêîâ, Ð. Äèìèòðîâà, Õð. Õðèñòîâ, Ä. Êþ÷óê, 2015. Åñòåñòâåíè íåïðèÿòåëè íà ëèñòíèòå âúøêè Callaphis juglandis Frisch, è Chromaphis juglandicola Kalt (Hemiptera: Aphididae) ïî îáèêíîâåíèÿ îðåõ (Juglans regia L.) â ðàéîíà íà Ïëîâäèâ Journal of Mountain Agriculture on the Balkans, 2015, Vol. 18, 2, c. 292-304 |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Marinova Z., Raikov S., Arnaudov V., Tanova2.2015. Sugar Beet Pests in the Area of Shumen. International Journal of Research Studies in Biosciences (IJRSB) Volume 3, Issue 7, July 2015, PP 106-109. IF 2.99 |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Tanova, K. and Raikov, S. 2015., Assessment of extracts of plants on the growth and sporulation of the agent of brown leaf spots on tomatoes (Alternaria solani nees). International Journal of Information Research and Review Vol. 02, Issue, 10, pp. 1263-1265 October, 2015. |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Tanova K., Raikov S., Momchylova P. - Septoria Complex Diseases of Weat in the Area of Novi Pazar. International Journal of Research Studies in Biosciences, Vol. 3, Issue 8 July 2015, ñ. 33-36. IF 2.99 |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| K. Tanova, S. Raikov, P. Momchylova. Mycoflora of maize seeds from Novi Pazar. International Journal of Agronomy and Agricultural Research (IJAAR), Vol. 7, number 3 2015, c. 9-13. IF 1.75 |
26.11.2015 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Äðóãè
| Öèòèðàíèÿ
| Arnaudov, V., Raykov, S., Davidova, R., Hristov, H., Vasilev, V., Petkov, P. (2012).Monitoring of pest populations – an important element of integrated pest management of field crops. “90 years higher agricultural education in Bulgaria.” Trakia University, Faculty of Agriculture, 12-13 may 2011, Stara Zagora,"Agricultural Science and Technology", 4, (1), 77 – 80. Öèòèðàíà â: Meissle M., F. Alvarez-Alfageme, L. Malone, and J. Romeis. Establishing a database of bio-ecological information on non-target arthropod species to support the environmental risk assessment of genetically modified crops in the EU. EFSA Journal 2012. N-334,1-170. http://www.efsa.europa.eu/en/search/doc/334e.pdf |
27.11.2014 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Äðóãè
| Äîêëàäè
| Êðàñèìèðà Òàíîâà, Ñâèëåí Ðàéêîâ., 2014. Ïðîó÷âàíå âëèÿíèåòî íà èçâëåöè îò ëèâàäíî îðåõ÷å (Filipendula vulgarisL.) âúðõó ñåìåííàòà ìèêðîôëîðà íà öàðåâèöà. Êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå ØÓ- „ Åïèñêîï Êîíñòàíòèí Ïðåñëàâñêè”. |
27.11.2014 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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Äðóãè
| Äîêëàäè
| Êðàñèìèðà Òàíîâà, Ñâèëåí Ðàéêîâ. 2014. Ðåçóëòàòè îò In vitro èçïèòâàíå íà ïðåïàðàòè çà êîíòðîë íà ôóçàðèîçàòà ïî ïøåíèöàòà. Êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå ØÓ-„Åïèñêîï Êîíñòàíòèí Ïðåñëàâñêè”. |
27.11.2014 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Òàíîâà Ê., Ñ. Ðàéêîâ, Ê. Ó÷êóíîâà 2014. Ðåçóëòàòè îò îöåíêà íà ñåëåêöèîííè ôîðìè öâåêëî ïî ðåàêöèÿòà èì êúì ïðè÷èíèòåëè íà áîëåñòè. Ðàñòåíèåâúäíè íàóêè, Vol. LI, 2-3, 26-29. |
27.11.2014 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ðåôåðèðàíè èçäàíèÿ
| Ñòàòèè
| Ñàëäæèåâ, È., Ñ. Ðàéêîâ 2014. Øèðîêîðåäîâî îòãëåæäàíå íà ïàìóêà ïðè ïîëèâíè óñëîâèÿ. Ðàñòåíèåâúäíè íàóêè, Vol. LI, 2-3, 102-105. |
27.11.2014 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Tanova K., Rajkov Sv., Petar Hr. Development of Septoria- diseases on wheat in region of Novi Pazar. Annual of Konstantin Preslavsky University of Shumen, Faculty of natural sciences, 2013 |
27.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Tanova Kr., Rajkov Sv., Adil A., Rezults of researchs of mycoflora on maize seeds.Annual of Konstantin Preslavsky University of Shumen, Faculty of natural sciences, 2013 |
27.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Êrassimira Tanova, Svilen Rajkov. Effect of Humustim on the sorgum seeds qualitie. Annual of Konstantin Preslavsky University of Shumen, Faculty of natural sciences, 2013 |
27.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ãîäèøíèê
| Äîêëàäè
| Êðàñèìèðà Òàíîâà, Ñâèëåí Ðàéêîâ, Õðèñòî Õðèñòîâ 2012. Ðåçóëòàòè îò èçïèòâàíå äåéñòâèåòî íà ïðåïàðàòà Áèîàêòèâ âúðõó ñåìåíåí è ïîñàäú÷åí ìàòåðèàë Ãîäèøíèê íà ØÓ”Åïèñêîï Êîíñòàíò Ïðåñëàâñêè”-Øóìåí( ïîä ïå÷àò). |
25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ãîäèøíèê
| Äîêëàäè
| Êðàñèìèðà Òàíîâà, Ìàðèåëà Ãåîðãèåâà- Àíäðååâà, Ñâèëåí Ðàéêîâ. 2012. Âëèÿíèå íà èçâëåê îò êàìøèê( Agrimonia eupatoria L.) âúðõó ïðè÷èíèòåëÿ íà ðèçîêòîíèéíî êîðåíîâî ãíèåíå ïðè öâåêëî Ãîäèøíèê íà ØÓ”Åïèñêîï Êîíñòàíò Ïðåñëàâñêè”-Øóìåí (ïîä ïå÷àò). |
25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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 ãîäèøíèê
| Äîêëàäè
| Êóëêà Ó÷êóíîâà, Èëèÿ Ó÷êóíîâ, Ñâèëåí Ðàéêîâ, Äðàãîìèð Ïëàìåíîâ Èçïîëçâàíå íà îïðàøèòåëè îò äèïëîèäíî íàðàâëåíèe ïðè ñúçäàâàíåòî íà õèáðèäè çàõàðíî öâåêëî. Ãîäèøíèê íà ØÓ”Åïèñêîï Êîíñòàíò Ïðåñëàâñêè”-Øóìåí( ïîä ïå÷àò). |
25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Ñàëäæèåâ Èâ., Ñâ. Ðàéêîâ. 2012. Øèðîêîðåäîâî îòãëåæäàíå íà ïàìóêà ïðè ïîëèâíè óñëîâèÿ. Þáèëåéíà êîíôåðåíöèÿ 60-ãîäèíè Èíñòèòóò ïî îâîùàðñòâî – Ïëîâäèâ, Ïëîâäèâ, 15 íîåìâðè 2012ã. Ðàñòåíèåâúäíè íàóêè (ïîä ïå÷àò). |
25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Êrassimira Tanova, Svilen Rajkov. Effect of Humustim on the sorgum seeds qualitie. Åäèíàäåñåòà Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå “Ïðèðîäíè íàóêè 2013” |
25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Tanova Kr., Rajkov Sv., Adil A., Rezults of researchs of mycoflora on maize seeds. Åäèíàäåñåòà Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå “Ïðèðîäíè íàóêè 2013” |
25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Tanova K., Rajkov Sv., Petar Hr. Development of Septoria- diseases on wheat in region of Novi Pazar. Åäèíàäåñåòà Íàöèîíàëíà êîíôåðåíöèÿ ñ ìåæäóíàðîäíî ó÷àñòèå “Ïðèðîäíè íàóêè 2013” |
25.11.2013 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Ðàéêîâ Ñâ., Ä. Ïàòåâ – Èêîíîìè÷åñêà åôåêòèâíîñò íà áîðáàòà ñ ïëåâåëèòå ïðè ñåìåïðîèçâîäñòâîòî íà çàõàðíî öâåêëî. Íàó÷íè òðóäîâå íà ÂÑÈ, ò.ÕÕÕV²², êí.1, 1992 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Ðàéêîâ Ñâ., Ð. Ïåòðîâà – Âëèÿíèå íà ðàçëè÷íèòå íà÷èíè íà îñíîâíà îáðàáîòêà íà ïî÷âàòà è ïðèëîæåíèòå ñèñòåìè îò õåðáèöèäè âúðõó ïîñåâíèòå êà÷åñòâà íàñåìåíàòà îò çàõàðíî öâåêëî. Íàó÷íè òðóäîâå íà ÂÑÈ, ò.ÕÕÕV²², êí.2, 1992 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Èëèåâ Ê., Ñâ. Ðàéêîâ – Âëèÿíèå íà ïî÷âåíàòà âëàæíîñò è îáðàáîòêàòà íà ñåìåíàòà âúðõó äðóæíîòî ïîíèêâàíå è íà÷àëíîòî ðàçâèòèå íà çàõàðíîòî öâåêëî.Ðàñòåíèåâúäíè íàóêè, 1992, 1-2 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Ðàéêîâ Ñâ. – Èíòåãðèðàíà áîðáà ñ ïëåâåëèòå ïðè çàõàðíîòî öâåêëî çà ñåìåïðîèçâîäñòâî. Àâòîðåôåðàò, Ñîôèÿ, 1993 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Ðàéêîâ Ñâ., Ê. Ñëàâîâ, Èâ. Æàëíîâ, È. Äèìèòðîâ – Õèìè÷íà áîðáà ñ ïëåâåëèòå ïðè çàõàðíîòî öâåêëî çà ñåìåïðîèçâîäñòâî îòãëåæäàíî ïî áåçðàçñàäîâèÿ ñïîñîá.Íàó÷íè òðóäîâå íà ÂÑÈ, ò.ÕÕÕ²Õ, êí.5, 1994 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Ðàéêîâ Ñâ., Ê. Ñëàâîâ, È. Äèìèòðîâ, Èâ. .Æàëíîâ. - Âëèÿíèå íà íÿêîè õåðáèöèäè âúðõó äîáèâà è êà÷åñòâîòî íà ñåìåíàòà îò çàõàðíî öâåêëî îòãëåæäàíî ïîðàçñàäíèÿ ñïîñîá. Íàó÷íè òðóäîâå íà ÂÑÈ, ò.ÕÕÕÈÕ, êí.5 |
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Ïðîô. ä.ñ.í. . Ñâèëåí Ïåí÷åâ Ðàéêîâ
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| Ðàéêîâ Ñâ. – Âëèÿíèå íà ðàçëè÷íèòå íà÷èíè íà îñíîâíà îáðàáîòêà íà ïî÷âàòà è ïî÷âåíèòå õåðáèöèäè âúðõó ïîëñêàòà êúëíÿåìîñò íà ñåìåíàòà îò çàõàðíî öâåêëî çàñåìåïðîèçâîäñòâî, îòãëåæäàíî ñëåä ðàçëè÷íè ïðåäøåñòâåíèöè. Ðàñòåíèåâúäíè íàóêè, 1994, 1-2 |
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