Abstract
The purpose of this project was to determine the need for foliar fertilization of soybean. The objectives for this research were (1) to determine soybean plant tissue and yield response to foliar fertilization with commercially sold products and (2) to evaluate profitability of applying such products. Experiments were conducted during the 2019 growing season at four locations in North Carolina and southeast Virginia. Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control. Plant tissue samples were collected immediately before application and two weeks afterward to measure the change in tissue nutrient concentration. FertiRain significantly increased iron plant tissue concentration by 8% at two locations. Sure-K significantly reduced loss of nitrogen and phosphorus in the tissue by 7% at one location. Smart B-Mo significantly increased boron plant tissue concentration by 41% at three locations. Smart Quatro increased zinc plant tissue concentration by 27% at one location. HarvestMore UreaMate increased copper tissue concentration by 13% at three locations and zinc by 14% at another, but reduced copper and potassium plant tissue concentration by 17% and 10%, respectively, at one location. Despite plant tissue concentration increases of select nutrients, none of the foliar fertilizers affected yield at any location; therefore, profit decreased by $3.82 to $22.11 per acre, depending on cost of the product at the applied rate. Despite the lack of yield response to foliar fertilizers tested, soybean may respond positively under different environments, hence further research is necessary to determine the need for foliar fertilization.
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Claims 10
Claim · model-written summary
FertiRain significantly increased iron plant tissue concentration in soybean by 8% at two locations compared with an untreated control.
- Taxon
- Soybean
Glycine maxt0 - Organ / stage
- R3-stagee1
- Treatment
- FertiRaine3
- Outcome
- iron plant tissue concentratione3
- Direction
- increasede3
- Value
- 8%e3
- Comparator
- untreated controle1
- Setting
- two locationse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e3“FertiRain significantly increased iron plant tissue concentration by 8% at two locations”
Claim · model-written summary
Sure-K significantly reduced loss of nitrogen and phosphorus in soybean tissue by 7% at one location compared with an untreated control.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- R3-stagee1
- Treatment
- Sure-Ke4
- Outcome
- loss of nitrogen and phosphorus in the tissuee4
- Direction
- reducede4
- Value
- 7%e4
- Comparator
- untreated controle1
- Setting
- one locatione4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e4“Sure-K significantly reduced loss of nitrogen and phosphorus in the tissue by 7% at one location”
Claim · model-written summary
Smart B-Mo significantly increased boron plant tissue concentration in soybean by 41% at three locations compared with an untreated control.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- R3-stagee1
- Treatment
- Smart B-Moe5
- Outcome
- boron plant tissue concentratione5
- Direction
- increasede5
- Value
- 41%e5
- Comparator
- untreated controle1
- Setting
- three locationse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e5“Smart B-Mo significantly increased boron plant tissue concentration by 41% at three locations”
Claim · model-written summary
Smart Quatro increased zinc plant tissue concentration in soybean by 27% at one location compared with an untreated control.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- R3-stagee1
- Treatment
- Smart Quatroe6
- Outcome
- zinc plant tissue concentratione6
- Direction
- increasede6
- Value
- 27%e6
- Comparator
- untreated controle1
- Setting
- one locatione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e6“Smart Quatro increased zinc plant tissue concentration by 27% at one location”
Claim · model-written summary
HarvestMore UreaMate increased copper tissue concentration in soybean by 13% at three locations compared with an untreated control.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- R3-stagee1
- Treatment
- HarvestMore UreaMatee7
- Outcome
- copper tissue concentratione7
- Direction
- increasede7
- Value
- 13%e7
- Comparator
- untreated controle1
- Setting
- three locationse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e7“HarvestMore UreaMate increased copper tissue concentration by 13% at three locations and zinc by 14% at another, but reduced copper and potassium plant tissue concentration by 17% and 10%, respectively, at one location”
Claim · model-written summary
HarvestMore UreaMate increased zinc in soybean by 14% at another location compared with an untreated control.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- R3-stagee1
- Treatment
- HarvestMore UreaMatee7
- Outcome
- zince7
- Direction
- increasede7
- Value
- 14%e7
- Comparator
- untreated controle1
- Setting
- at anothere7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e7“HarvestMore UreaMate increased copper tissue concentration by 13% at three locations and zinc by 14% at another, but reduced copper and potassium plant tissue concentration by 17% and 10%, respectively, at one location”
Claim · model-written summary
HarvestMore UreaMate reduced copper in soybean tissue by 17% at one location.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- R3-stagee1
- Treatment
- HarvestMore UreaMatee7
- Outcome
- coppere7
- Direction
- reducede7
- Value
- 17%e7
- Comparator
- untreated controle1
- Setting
- one locatione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e7“HarvestMore UreaMate increased copper tissue concentration by 13% at three locations and zinc by 14% at another, but reduced copper and potassium plant tissue concentration by 17% and 10%, respectively, at one location”
Claim · model-written summary
HarvestMore UreaMate reduced potassium in soybean tissue by 10% at one location.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- R3-stagee1
- Treatment
- HarvestMore UreaMatee7
- Outcome
- potassiume7
- Direction
- reducede7
- Value
- 10%e7
- Comparator
- untreated controle1
- Setting
- one locatione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e7“HarvestMore UreaMate increased copper tissue concentration by 13% at three locations and zinc by 14% at another, but reduced copper and potassium plant tissue concentration by 17% and 10%, respectively, at one location”
Claim · model-written summary
None of the foliar fertilizers affected soybean yield at any location compared with an untreated control.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- foliar fertilizerse1
- Outcome
- yielde2
- Direction
- no_changeinferrede2
- Comparator
- untreated controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e2“none of the foliar fertilizers affected yield at any location; therefore, profit decreased by $3.82 to $22.11 per acre, depending on cost of the product at the applied rate”
Claim · model-written summary
Foliar fertilizer application decreased soybean profit by $3.82 to $22.11 per acre, depending on product cost and applied rate.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- foliar fertilizerse1
- Outcome
- profite2
- Direction
- decreasede2
- Value
- $3.82 to $22.11 per acree2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Foliar Fertilization of Soybean”
e1“Six foliar fertilizers containing formulations of macro, secondary, and micronutrients were applied to R3-stage soybean and compared to an untreated control”
e2“none of the foliar fertilizers affected yield at any location; therefore, profit decreased by $3.82 to $22.11 per acre, depending on cost of the product at the applied rate”
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