Abstract
The results of foliar fertilization of spring wheat crops of Struna myronivska variety with aqueous solutions of zinc, manganese and their chelated analogues in EDTA (zinc and manganese complexates) at different stages of plant growth and development are presented. The research was conducted on sodmedium podzolic gley sandy soils of Polissia contaminated by radionuclides after the Chernobyl accident. On the average, in 2014–2016 yy. the foliar fertilization of crops at different stages of growth and development of plants the yield of grain and straw of spring wheat did not increased. However, a statistically significant effect of fertilization was observed in the arid conditions of 2015, caused by almost complete absence of precipitation during the second and third decades of May and the first decade of June against the background of high average daily temperatures. Foliar fertilization of crops with zinc solution and chelated forms of trace elements (EDTA) in drought conditions increased wheat grain yield by more than 30 % compared to the control. Foliar fertilization of wheat plants with manganese solution increased grain yield by at least 30 % regardless of the stage of plants growth and development at the time of spraying. Similar patterns were observed for straw. Under ordinary weather conditions (2014 and 2016) foliar fertilization did not increase wheat yield. It is also shown that with increasing yield of wheat grain due to foliar fertilization of crops with aqueous solutions of zinc, manganese and their chelated analogues (EDTA), the concentration of iron, manganese, copper and zinc decreases. The increase in the level of straw yield due to fertilization is negatively correlated with the concentration of zinc and boron in it (r = −0.57). Key words: soil, iron, potassium, wheat, manganese, copper, radiocaesium, zinc.
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Claims 9
Claim · model-written summary
On average over 2014-2016, foliar fertilization of spring wheat did not increase grain or straw yield.
- Taxon
- spring wheat
Triticum aestivume0 - Material
- Struna myronivskae0
- Treatment
- foliar fertilizatione0
- Outcome
- yield of grain and strawe1
- Direction
- did not increasede1
- Setting
- Polissia of Ukrainet0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar fertilization of spring wheat crops of Struna myronivska variety”
e1“the yield of grain and straw of spring wheat did not increased”
t0“in Polissia of Ukraine”
Claim · model-written summary
In the arid 2015 conditions, fertilization had a statistically significant effect on spring wheat.
- Taxon
- spring wheatTriticum aestivume0
- Treatment
- fertilizatione2
- Outcome
- effect of fertilizatione2
- Qualifier
- in the arid conditions of 2015e2
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar fertilization of spring wheat crops of Struna myronivska variety”
e2“a statistically significant effect of fertilization was observed in the arid conditions of 2015”
Claim · model-written summary
In drought conditions, foliar zinc or EDTA-chelated trace element fertilization increased wheat grain yield by more than 30% compared to the control.
- Taxon
- wheatTriticum aestivume3
- Treatment
- zinc solution and chelated forms of trace elements (EDTA)e3
- Outcome
- wheat grain yielde3
- Direction
- increasede3
- Value
- more than 30 %e3
- Qualifier
- in drought conditionse3
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Foliar fertilization of crops with zinc solution and chelated forms of trace elements (EDTA) in drought conditions increased wheat grain yield by more than 30 % compared to the control”
Claim · model-written summary
Foliar manganese fertilization increased wheat grain yield by at least 30% regardless of the growth stage at spraying.
- Taxon
- wheatTriticum aestivume4
- Treatment
- manganese solutione4
- Outcome
- grain yielde4
- Direction
- increasede4
- Value
- at least 30 %e4
- Qualifier
- regardless of the stage of plants growth and development at the time of sprayinge4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Foliar fertilization of wheat plants with manganese solution increased grain yield by at least 30 % regardless of the stage of plants growth and development at the time of spraying”
Claim · model-written summary
Straw yield showed similar patterns to grain yield under the foliar fertilization treatments.
- Taxon
- wheatTriticum aestivume4
- Outcome
- strawe5
- Qualifier
- Similar patterns were observede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Foliar fertilization of wheat plants with manganese solution increased grain yield by at least 30 % regardless of the stage of plants growth and development at the time of spraying”
e5“Similar patterns were observed for straw”
Claim · model-written summary
Under ordinary weather in 2014 and 2016, foliar fertilization did not increase wheat yield.
- Taxon
- wheatTriticum aestivume6
- Treatment
- foliar fertilizatione6
- Outcome
- wheat yielde6
- Direction
- did not increasee6
- Qualifier
- Under ordinary weather conditions (2014 and 2016)e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Under ordinary weather conditions (2014 and 2016) foliar fertilization did not increase wheat yield”
Claim · model-written summary
With foliar fertilization, the wheat grain iron, manganese and copper concentrations decreased.
- Taxon
- wheatTriticum aestivume7
- Treatment
- foliar fertilizatione7
- Outcome
- iron, manganese, coppere7
- Direction
- decreasese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“with increasing yield of wheat grain due to foliar fertilization of crops with aqueous solutions of zinc, manganese and their chelated analogues (EDTA), the concentration of iron, manganese, copper and zinc decreases. The increase in the level of straw yield due to fertilization is negatively correlated with the concentration of zinc and boron in it (r = −0.57)”
Claim · model-written summary
With foliar fertilization, the wheat grain zinc concentration decreased.
- Taxon
- wheatTriticum aestivume7
- Treatment
- foliar fertilizatione7
- Outcome
- zince7
- Direction
- decreasese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“with increasing yield of wheat grain due to foliar fertilization of crops with aqueous solutions of zinc, manganese and their chelated analogues (EDTA), the concentration of iron, manganese, copper and zinc decreases. The increase in the level of straw yield due to fertilization is negatively correlated with the concentration of zinc and boron in it (r = −0.57)”
Claim · model-written summary
The increase in straw yield due to fertilization was negatively correlated with straw zinc and boron concentration (r = -0.57).
- Taxon
- spring wheatTriticum aestivume0
- Treatment
- fertilizatione7
- Outcome
- concentration of zinc and borone7
- Direction
- negatively correlatede7
- Value
- r = −0.57e7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar fertilization of spring wheat crops of Struna myronivska variety”
e7“with increasing yield of wheat grain due to foliar fertilization of crops with aqueous solutions of zinc, manganese and their chelated analogues (EDTA), the concentration of iron, manganese, copper and zinc decreases. The increase in the level of straw yield due to fertilization is negatively correlated with the concentration of zinc and boron in it (r = −0.57)”
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