Abstract
ABSTRACT Peanuts are mainly grown in sandy soils with low boron content, which may limit the crop yield, especially runner-type cultivars that have high-yields. Boron deficiency causes hollow heart in peanut seeds, reducing yield and seed quality, but the best strategy to supply boron to peanut is still not known. This study aimed to evaluate peanuts nutrition, yield, and seed quality as a function of boron rate, source, and application form. The study was conducted for two years in sandy soils with low boron in southeastern Brazil. Treatments included application of boron via soil: control (boron unfertilized), boric acid at 1.5 kg ha -1 of B, Ulexite (1.5 and 3.0 kg ha -1 of B), and sodium tetraborate (1.5 and 3.0 kg ha -1 of B) combined with foliar fertilization (sub-plots): 0, 400, 800 and 1200 g ha -1 of B (boric acid) with four replicates. Boron fertilization via soil and foliar increased peanuts yield by 20 % (1100 kg ha -1 ) and 14 % (700 kg ha -1 ) - the average of the two crops, respectively. Combined use of soil and foliar fertilizer was justified only in years with water deficit and when the rate applied via soil was low (<3.0 kg ha -1 ). Boron application via soil or application of 400 g ha -1 of B via foliar fertilization increased seed germination rate by 10 to 13 %. Boron fertilization increased the percentage of normal seedlings, seedling weight, and length and reduced the germination time. Foliar and soil boron applications efficiently improved peanut seed nutrition, yield, and quality. However, soil application performed better, showing a higher percentage of yield increase.
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Claims 9
Claim · model-written summary
Soil boron fertilization increased peanut yield by 20% or 1100 kg ha -1.
- Taxon
- peanuts
Arachis hypogaeae0 - Treatment
- Boron fertilization via soile0
- Outcome
- peanuts yielde0
- Direction
- increasede0
- Value
- 20 %e0
- Qualifier
- 1100 kg ha -1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron fertilization via soil and foliar increased peanuts yield by 20 % (1100 kg ha -1 ) and 14 % (700 kg ha -1 )”
Claim · model-written summary
Foliar boron increased peanut yield by 14% or 700 kg ha -1.
- Taxon
- peanutsArachis hypogaeae0
- Treatment
- foliare0
- Outcome
- peanuts yielde0
- Direction
- increasede0
- Value
- 14 %e0
- Qualifier
- 700 kg ha -1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron fertilization via soil and foliar increased peanuts yield by 20 % (1100 kg ha -1 ) and 14 % (700 kg ha -1 )”
Claim · model-written summary
Combined soil and foliar fertilizer was justified only in water deficit years with low soil rate.
- Taxon
- PeanutsArachis hypogaeat0
- Outcome
- Combined use of soil and foliar fertilizere0
- Qualifier
- only in years with water deficit and when the rate applied via soil was low (<3.0 kg ha -1 )e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combined use of soil and foliar fertilizer was justified only in years with water deficit and when the rate applied via soil was low (<3.0 kg ha -1 )”
t0“Peanuts”
Claim · model-written summary
Soil boron increased seed germination by 10 to 13%.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- Boron application via soile0
- Outcome
- seed germination ratee0
- Direction
- increasede0
- Value
- 10 to 13 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron application via soil or application of 400 g ha -1 of B via foliar fertilization increased seed germination rate by 10 to 13 %”
t0“Peanuts”
Claim · model-written summary
Foliar 400 g ha -1 boron increased seed germination by 10 to 13%.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- application of 400 g ha -1 of B via foliar fertilizatione0
- Outcome
- seed germination ratee0
- Direction
- increasede0
- Value
- 10 to 13 %e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron application via soil or application of 400 g ha -1 of B via foliar fertilization increased seed germination rate by 10 to 13 %”
t0“Peanuts”
Claim · model-written summary
Boron fertilization increased normal seedlings, seedling weight and length.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- Boron fertilizatione0
- Outcome
- percentage of normal seedlings, seedling weight, and lengthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron fertilization increased the percentage of normal seedlings, seedling weight, and length”
t0“Peanuts”
Claim · model-written summary
Boron fertilization reduced germination time.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- Boron fertilizatione0
- Outcome
- germination timee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Boron fertilization increased the percentage of normal seedlings, seedling weight, and length and reduced the germination time”
t0“Peanuts”
Claim · model-written summary
Foliar and soil boron improved seed nutrition and quality.
- Taxon
- peanutArachis hypogaeae0
- Treatment
- Foliar and soil boron applicationse0
- Outcome
- peanut seed nutrition, yield, and qualitye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar and soil boron applications efficiently improved peanut seed nutrition, yield, and quality”
Claim · model-written summary
Soil application produced a higher percentage yield increase than foliar application.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- soil applicatione0
- Outcome
- percentage of yield increasee0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil application performed better, showing a higher percentage of yield increase”
t0“Peanuts”
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