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1.

001-es BibID:BIBFORM100893
Első szerző:Rácz Dalma (okleveles növényorvos)
Cím:The impact of applying foliar fertilizers on the health condition of maize / Rácz Dalma Emese, Radócz László
Dátum:2020
ISSN:1587-1282
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény hazai lapban
folyóiratcikk
Megjelenés:Agrártudományi közlemények = Acta agraria Debreceniensis. - 2 : 1 (2020), p. 105-109. -
További szerzők:Radócz László (1965-) (növényvédő agrármérnök)
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2.

001-es BibID:BIBFORM090035
Első szerző:Rácz Dalma (okleveles növényorvos)
Cím:Nutrient deficiency and effects of various nutrition technologies on crop health / Rácz Dalma, Radócz László
Dátum:2019
ISSN:1587-1282
Megjegyzések:The impacts of climate change on crop production are increasingly noticeable. Extreme weather conditions ? such as devastating droughts, which occur more often ? have serious effects on crop conditions, thus damaging their defence ability against pathogens and pests. Therefore, in order to achieve high-quality and high yielding crops, it is urgent to elaborate new technologies that improve general condition of crops and prevent development of nutrient diseases. Those crops which suffer from the lack of certain nutrients are more sensitive and their tolerance against diseases are decreased. Nitrogen ? as the most influencing macronutrient in yield ? is also essential in maintaining crop health. Nevertheless, due to the complicated processes in soil (such as leaching, denitrification), the utilization of nitrogen is not nearly complete, therefore nitrogen stabilizers may be needed to maximize this factor. The use of these stabilizers can be promising where plants with high nitrogen content are grown, although further experiments are needed in which impacts of nitrogen stabilizers on crop protection aspects are examined as well, since there is a close correlation between exaggerated nitrogen fertilizing and sensitivity to pests. During my research I am going to examine the combined effect of foliar fertilizer and nitrogen stabilizer on crop health. Furthermore, my goal is to find clear correlation between pathogens and the different technological variants of nutrition.
Tárgyszavak:Műszaki tudományok Bio-, környezet- és vegyészmérnöki tudományok idegen nyelvű folyóiratközlemény hazai lapban
folyóiratcikk
Megjelenés:Agrártudományi közlemények = Acta agraria Debreceniensis. - 2 (2019), p. 109-113. -
További szerzők:Radócz László (1965-) (növényvédő agrármérnök)
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3.

001-es BibID:BIBFORM104576
Első szerző:Zagyi Péter (agrármérnök)
Cím:Correlation analysis of relative chlorophyll content and yield of maize hybrids of different genotypes / Zagyi Péter, Tamás András, Rácz Dalma, Fejér Péter, Radócz László, Horváth Éva
Dátum:2022
ISSN:1587-1282
Megjegyzések:In 2021, correlation between relative chlorophyll content and yield in three maize hybrids of different genotypes was examined. The data were collected at the Látókép Experimental Station of the University of Debrecen located on the Hajdúság loess ridge in Hungary. The soil of the small plot field strip plot trial, which was set up in 2011, was calcareous chernozem. Apart from the control treatment (without fertilisation), N fertiliser is applied in the form of base and top dressing. The base fertiliser containing 60 and 120 kg ha-1 N of nutrient applied in spring was followed by top dressing containing +30?30 kg ha-1 N in V6 and V12 phenophases. SPAD values measured at different phenological stages of the growing season increased by an average of about 28% up to 10 leaf stage for all three hybrids. In the pre-silking period (Vn), the relative chlorophyll content decreased by 8% on average. After an average increase of 14% in the tasselling and silking period, SPAD decreased by an average of about 29% at full maturity (R6). For the different fertiliser treatments, higher N doses resulted in higher yields. In the basal fertiliser treatment, the A 60 N dose resulted in an average 34% increase in yield, and the A 120 N dose resulted in an average 94% increase in yield compared to the control. The 60 kg ha-1 N basal fertiliser (A60) increased in the V6 phenophase with an additional 30 kg ha-1 N resulted in an average yield increase of 26%. When 120 kg ha-1 N of basal fertiliser (A120) was increased by an additional 30 kg ha-1 N in the V6 phenophase, only the Merida hybrid showed a significant yield increase (7%). No further yield increase was observed when V690 and V6150 treatments were increased by an additional 30 kg ha-1 N in the V12 phenophase. The yield of the Armagnac hybrid decreased by almost 20%, the yield of Fornad by 3% and the yield of Merida by 1%.
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény hazai lapban
folyóiratcikk
chlorophyll content
maize
SPAD value
yield
Megjelenés:Agrártudományi közlemények = Acta agraria Debreceniensis. - 1 (2022), p. 211-214. -
További szerzők:Tamás András (1986-) (gazdasági agrármérnök, növénytermesztés és kertészeti tudományok) Rácz Dalma (1993-) (okleveles növényorvos) Fejér Péter (1981-) (agrármérnök) Radócz László (1996-) (Növényorvos) Horváth Éva (1993-) (környezetgazdálkodási agrármérnök)
Pályázati támogatás:EFOP-3.6.3-VEKOP-16-2017-00008
EFOP
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