Abstract
Purpose. To establish reaction of soybean varieties to seed inoculation by bacterial preparation and to foliar nutrition of plants by chelate microfertilizers. Methods. Field studies were carried out in 2017, 2018 in the zone of Western Polissia on sod podzol soils of stationary crop rotation of the ALLC Vasiuty (Kovel district, Volyn region) with the inoculant Legume Fix based on bacteria Bradyrhizobium japonicum 532c and the preparations of foliar nutrition Wuxal Оilseed and Quantum-Oil on the soybean varieties Canadian Kassidy and French Mentor. The planting practice was typical for the zone. Phenological observations and yield counts in different in weather conditions years of research were carried out according to conventional methods for soybeans, yielding capacity was determined by the method of full threshing plot with combine. The part of the factor influence on yield was determined by ANOVA at 5 % significance level. Results. In 2017, in dry unfavorable weather conditions of the year the average seed yield for the soybean variety Kassidy was 2.17 t/ha, for the Mentor it was 2.25 t/ha, whereas in favorable 2018 it was respectively 3.13 t/ha and 3.20 t/ha. Yield increase due to seed inoculation was 0.09–0.21 t/ha in the dry year (2017) and 0.15–0.35 t/ha in sufficient rainfed environments (2018). Yield increase due to foliar fertilization by chelate microfertilizers in the phase of budding was higher (0.15–0.36 t/ha) than the seed inoculation, and the efficiency of this practice did not depend on the year weather conditions. The maximum yield was formed in favorable 2018 by the variety Mentor when applying seed inoculation and crop treatment with Wuxal Oilseed (3.45 t/ha), and by the Kassidy variety when using seed inoculation and crop treatment with Quantum-Oil (3.37 t/ha). Conclusions. Seed treatment by the inoculant Legume Fix and foliar nutrition with chelate microfertilizers have significant effect on soybean yielding capacity in different year weather conditions. The interaction of these factors occurs to less extent than their individual effects. The efficiency of the foliar nutrition on yielding capacity in the unfavorable 2017 was 64 %, whereas in the favorable 2018 it was 50 %. The efficiency of seed treatment with inoculant was more in sufficient rainfed environments in 2018 (40 %) than in the arid 2017 (24 %). The part of influence of varietal characteristics on yielding capacity under favorable conditions decreased from 9 to 4 %.
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Claims 10
Claim · model-written summary
Kassidy yielded 2.17 t/ha in dry 2017 and 3.13 t/ha in 2018.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 2017, in dry unfavorable weather conditions of the year the average seed yield for the soybean variety Kassidy was 2.17 t/ha, for the Mentor it was 2.25 t/ha, whereas in favorable 2018 it was respectively 3.13 t/ha and 3.20 t/ha.”
Claim · model-written summary
Mentor yielded 2.25 t/ha in dry 2017.
- Taxon
- soybean
Glycine maxt0 - Material
- Mentore0
- Outcome
- seed yielde1
- Value
- 2.25 t/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“for the Mentor it was 2.25 t/ha”
t0“soybean”
t1“soybean”
e1“In 2017, in dry unfavorable weather conditions of the year the average seed yield for the soybean variety Kassidy was 2.17 t/ha, for the Mentor it was 2.25 t/ha, whereas in favorable 2018 it was respectively 3.13 t/ha and 3.20 t/ha.”
Claim · model-written summary
Seed inoculation increased yield by 0.09–0.21 t/ha in dry 2017.
- Taxon
- soybeanGlycine maxt0
- Treatment
- seed inoculatione0
- Outcome
- Yielde0
- Direction
- increasee0
- Value
- 0.09–0.21 t/hae0
- Setting
- 2017e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield increase due to seed inoculation was 0.09–0.21 t/ha in the dry year (2017)”
t0“soybean”
t1“soybean”
Claim · model-written summary
Seed inoculation increased yield by 0.15–0.35 t/ha in 2018.
- Taxon
- soybeanGlycine maxt0
- Treatment
- seed inoculatione1
- Value
- 0.15–0.35 t/hae0
- Setting
- 2018e0
Not reportedComparatorOutcomeDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“and 0.15–0.35 t/ha in sufficient rainfed environments (2018).”
t0“soybean”
t1“soybean”
e1“Yield increase due to seed inoculation was 0.09–0.21 t/ha in the dry year (2017)”
Claim · model-written summary
Foliar chelate fertilizer increased yield more than inoculation, by 0.15–0.36 t/ha.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- phase of buddinge0
- Treatment
- foliar fertilization by chelate microfertilizerse0
- Outcome
- Yielde0
- Direction
- highere0
- Value
- 0.15–0.36 t/hae0
- Comparator
- seed inoculatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield increase due to foliar fertilization by chelate microfertilizers in the phase of budding was higher (0.15–0.36 t/ha) than the seed inoculation”
t0“soybean”
t1“soybean”
Claim · model-written summary
Mentor reached 3.45 t/ha with inoculation and Wuxal Oilseed in 2018.
- Taxon
- soybeanGlycine maxt0
- Material
- Mentore0
- Treatment
- seed inoculation and crop treatment with Wuxal Oilseede0
- Outcome
- yielde0
- Direction
- maximume0
- Value
- 3.45 t/hae0
- Setting
- 2018e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum yield was formed in favorable 2018 by the variety Mentor when applying seed inoculation and crop treatment with Wuxal Oilseed (3.45 t/ha)”
t0“soybean”
t1“soybean”
Claim · model-written summary
Kassidy reached 3.37 t/ha with inoculation and Quantum-Oil.
- Taxon
- soybeanGlycine maxt0
- Material
- Kassidye0
- Treatment
- seed inoculation and crop treatment with Quantum-Oile0
- Outcome
- yielde1
- Value
- 3.37 t/hae0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“by the Kassidy variety when using seed inoculation and crop treatment with Quantum-Oil (3.37 t/ha)”
t0“soybean”
t1“soybean”
e1“In 2017, in dry unfavorable weather conditions of the year the average seed yield for the soybean variety Kassidy was 2.17 t/ha, for the Mentor it was 2.25 t/ha, whereas in favorable 2018 it was respectively 3.13 t/ha and 3.20 t/ha.”
Claim · model-written summary
Foliar nutrition efficiency was 64 % in 2017 and 50 % in 2018.
- Taxon
- soybeanGlycine maxt0
- Outcome
- efficiency of the foliar nutrition on yielding capacitye0
- Value
- 64 %e0
- Setting
- 2017e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The efficiency of the foliar nutrition on yielding capacity in the unfavorable 2017 was 64 %, whereas in the favorable 2018 it was 50 %.”
t0“soybean”
t1“soybean”
Claim · model-written summary
Seed inoculant efficiency was 40 % in 2018 versus 24 % in 2017.
- Taxon
- soybeanGlycine maxt0
- Outcome
- efficiency of seed treatment with inoculante0
- Direction
- moree0
- Value
- 40 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The efficiency of seed treatment with inoculant was more in sufficient rainfed environments in 2018 (40 %) than in the arid 2017 (24 %).”
t0“soybean”
t1“soybean”
Claim · model-written summary
Varietal influence on yield decreased from 9 to 4 % under favorable conditions.
- Taxon
- soybeanGlycine maxt0
- Material
- varietal characteristicse0
- Outcome
- yielding capacitye0
- Direction
- decreasede0
- Value
- 9 to 4 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The part of influence of varietal characteristics on yielding capacity under favorable conditions decreased from 9 to 4 %.”
t0“soybean”
t1“soybean”
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