Abstract
ABSTRACT Glyphosate is a non-selective herbicide used for weed control in eucalyptus forests. Glyphosate drifts are common and may cause serious damage to crops. An alternative to reduce such effects is to use antidotes capable of protecting eucalyptus. An experiment was conducted to evaluate the effects of the application of liquid fertilizer on eucalyptus plants subjected to a glyphosate drift simulation. The treatments were arranged in a 5 x 5 factorial design. The first corresponding factor was liquid fertilizer (0, 1, 2, 4, and 8 L c.p. ha -1 of Fertiactyl Pós®) and the second factor dose of glyphosate drift (0, 360, 720, 1,440, and 2,160 g e.a. ha -1). The products were applied together so that the spray did not reach the upper third of the plants. At 7, 28, and 49 days after application (DAA), the percentage of intoxication of eucalyptus was evaluated. At 56 days DAA, height, leaf area, leaf nutrient contents, and shoot and root dry matter were determined. Higher doses of glyphosate (1,440 and 2,160 g ha -1) caused intoxication levels above 90% at 28 and 49 DAA without using liquid fertilizer. The combination of 2,160 g ha -1 of glyphosate with 8.0 L ha -1 of liquid fertilizer resulted in an estimated eucalyptus dry matter 7% higher than in the control and 97% higher than using 2,160 g ha -1 of glyphosate without the liquid fertilizer. We conclude that the liquid fertilizer was effective in suppressing the harmful effects caused by glyphosate on eucalyptus plants.
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Claims 4
Claim · model-written summary
Higher glyphosate doses caused above 90% eucalyptus intoxication at 28 and 49 DAA without liquid fertilizer.
- Taxon
- eucalyptus
.jpg?width=60)
Eucalyptuse0 - Treatment
- Higher doses of glyphosatee1
- Outcome
- intoxication levelse1
- Direction
- abovee1
- Value
- 90%e1
- Qualifier
- at 28 and 49 DAA without using liquid fertilizere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“An experiment was conducted to evaluate the effects of the application of liquid fertilizer on eucalyptus plants subjected to a glyphosate drift simulation”
e1“Higher doses of glyphosate (1,440 and 2,160 g ha -1) caused intoxication levels above 90% at 28 and 49 DAA without using liquid fertilizer”
Claim · model-written summary
Glyphosate at 2,160 g ha-1 with 8.0 L ha-1 liquid fertilizer raised eucalyptus dry matter 7% above the control.
- Taxon
- eucalyptusEucalyptuse0
- Treatment
- 2,160 g ha -1 of glyphosate with 8.0 L ha -1 of liquid fertilizere2
- Outcome
- eucalyptus dry mattere2
- Direction
- highere2
- Value
- 7%e2
- Qualifier
- estimatede2
- Comparator
- the controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted to evaluate the effects of the application of liquid fertilizer on eucalyptus plants subjected to a glyphosate drift simulation”
e2“The combination of 2,160 g ha -1 of glyphosate with 8.0 L ha -1 of liquid fertilizer resulted in an estimated eucalyptus dry matter 7% higher than in the control”
Claim · model-written summary
Eucalyptus dry matter with 2,160 g ha-1 glyphosate plus liquid fertilizer was 97% higher than with glyphosate alone.
- Taxon
- eucalyptusEucalyptuse0
- Treatment
- 2,160 g ha -1 of glyphosate with 8.0 L ha -1 of liquid fertilizere2
- Outcome
- eucalyptus dry mattere2
- Direction
- highere3
- Value
- 97%e3
- Comparator
- 2,160 g ha -1 of glyphosate without the liquid fertilizere3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted to evaluate the effects of the application of liquid fertilizer on eucalyptus plants subjected to a glyphosate drift simulation”
e2“The combination of 2,160 g ha -1 of glyphosate with 8.0 L ha -1 of liquid fertilizer resulted in an estimated eucalyptus dry matter 7% higher than in the control”
e3“97% higher than using 2,160 g ha -1 of glyphosate without the liquid fertilizer”
Claim · model-written summary
Liquid fertilizer suppressed the harmful effects of glyphosate on eucalyptus, according to the authors.
- Taxon
- eucalyptusEucalyptuse0
- Treatment
- liquid fertilizere4
- Outcome
- harmful effects caused by glyphosatee4
- Direction
- suppressinge4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted to evaluate the effects of the application of liquid fertilizer on eucalyptus plants subjected to a glyphosate drift simulation”
e4“We conclude that the liquid fertilizer was effective in suppressing the harmful effects caused by glyphosate on eucalyptus plants”
The same questions in other papers
glyphosate · growth · EucalyptusResults differ
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
fertilization · growth · EucalyptusPositive and negative results
15 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
13 papers more in this group
See all 17 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.