Abstract
The present study aimed to investigate the influence of genotypic differences on responses to zinc and iron agronomic biofortification among yields of finger millet. A field experiment was conducted over two seasons in farmers’ fields in Ethiopia (2019, 2020). The experimental design had 15 treatment combinations comprising three finger millet genotypes and the applications of different combinations of zinc and iron mineral fertilizers. Five soil-applied fertilizer treatments (20 kg h−1 FeSO4 + 25 kg h−1 ZnSO4 + NPKS, 25 kg ha−1 ZnSO4 + NPKS, 20 kg ha−1 FeSO4 + NPKS, NPKS, and 30% NPKS) at two locations (Gojjam and Arsi Negelle, Ethiopia) and using two slope positions (foot and hill) were replicated four times in a randomized complete block design. Grain yield and biomass were evaluated on a plot basis. Plant height, total and productive tiller number, finger length of the longest spike and number of fingers per main ear were measured at the maturity stage. The combined soil application of FeSO47H2O and ZnSO47H2O increased the yield of the Meba genotype by 51.6%. Additionally, ZnSO47H2O fertilizer application increased the yield of the Urji genotype by 27.6%. A yield enhancement of about 18.3% of the Diga-01 genotype was achieved due to the FeSO47H2O fertilizers’ application. The findings of the present study suggest that the influence of Zn and Fe agronomic biofortification on the yield of finger millet could be affected by genotype differences and environmental conditions.
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Claims 3
Claim · model-written summary
Combined Fe and Zn application increased Meba yield by 51.6%.
- Taxon
- finger millet
Eleusine coracanat0 - Material
- Mebae0
- Treatment
- combined soil application of FeSO47H2O and ZnSO47H2Oe0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 51.6%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined soil application of FeSO47H2O and ZnSO47H2O increased the yield of the Meba genotype by 51.6%”
t0“finger millet”
Claim · model-written summary
Zn fertilizer increased Urji yield by 27.6%.
- Taxon
- finger milletEleusine coracanat0
- Material
- Urjie0
- Treatment
- ZnSO47H2O fertilizer applicatione0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 27.6%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ZnSO47H2O fertilizer application increased the yield of the Urji genotype by 27.6%”
t0“finger millet”
Claim · model-written summary
Fe fertilizer enhanced Diga-01 yield by about 18.3%.
- Taxon
- finger milletEleusine coracanat0
- Material
- Diga-01e0
- Treatment
- FeSO47H2O fertilizers’ applicatione0
- Outcome
- yielde0
- Direction
- enhancemente0
- Value
- about 18.3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A yield enhancement of about 18.3% of the Diga-01 genotype was achieved due to the FeSO47H2O fertilizers’ application”
t0“finger millet”
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