Abstract
Abstract The objective of this work was to determine the effects of soil compaction pressure on the sowing furrow and of seed treatments with insecticides on grain yield and on termite damage in upland rice plants under no-tillage, in the Center West region of Brazil. Three experiments were carried out, consisting of five seed treatments combined with three (first experiment) or four (second and third experiments) compaction pressures in a randomized complete block design, in a factorial arrangement. The seed treatments were: T0, without treatment; T1, imidacloprid+thiodicarb; T2, thiamethoxam; T3, carbofuran; and T4, fipronil+pyraclostrobin+thiophanate-methyl. The compaction pressures applied were: 25, 42, and 268 kPa, in the first experiment; and these same pressures plus 126 kPa in the second and third experiments. Seed treatment was effective in increasing rice grain yield, from 1,753 to 4,141 kg ha-1, especially in the lowest compaction pressure of 25 kPa. Soil compaction around 180 kPa in the sowing furrow results in higher rice grain yield and in fewer stems killed by termites. The use of soil compaction on the sowing furrow with seed treatment significantly increases rice grain yield under a no-tillage system.
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Claims 4
Claim · model-written summary
Seed treatment increased rice grain yield from 1,753 to 4,141 kg ha-1, especially at 25 kPa compaction.
- Taxon
- rice
Oryza sativae0 - Treatment
- Seed treatmente0
- Outcome
- rice grain yielde0
- Direction
- increasinge0
- Value
- 1,753 to 4,141 kg ha-1e0
- Qualifier
- lowest compaction pressure of 25 kPae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatment was effective in increasing rice grain yield, from 1,753 to 4,141 kg ha-1, especially in the lowest compaction pressure of 25 kPa”
Claim · model-written summary
Furrow compaction near 180 kPa increased rice grain yield.
- Taxon
- riceOryza sativae0
- Treatment
- Soil compaction around 180 kPae0
- Outcome
- rice grain yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil compaction around 180 kPa in the sowing furrow results in higher rice grain yield”
Claim · model-written summary
Furrow compaction near 180 kPa reduced rice stems killed by termites.
- Taxon
- riceOryza sativae0
- Treatment
- Soil compaction around 180 kPae0
- Interactor
- termitesTermitoidaee0pest
- Outcome
- stems killed by termitese0
- Direction
- fewere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil compaction around 180 kPa in the sowing furrow results in higher rice grain yield and in fewer stems killed by termites”
Claim · model-written summary
Combining furrow compaction and seed treatment significantly increased rice grain yield under no tillage.
- Taxon
- riceOryza sativae0
- Treatment
- soil compaction on the sowing furrow with seed treatmente0
- Outcome
- rice grain yielde0
- Direction
- increasese0
- Setting
- no-tillage systeme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of soil compaction on the sowing furrow with seed treatment significantly increases rice grain yield under a no-tillage system”
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