Abstract
Potassium silicate (K2SiO3) has slow release, low salinity, and is chlorine-free, and its use in substitution of potassium chloride (KCl) become an alternative for a more sustainable agriculture. This study evaluated the response of cotton plants to different doses and sources of potassium (K). It was used a randomized block design, in a 2 × 5 factorial scheme with 2 sources (KCl and K2SiO3) and 5 doses (0, 80, 170, 250, and 300 kg of K2O ha−1). The components evaluated were: plant height, initial and final plant population, mass of 10 average bolls, and 10 bolls per thirds of the plant (lower, middle, and upper), seed cotton yield, fiber yield, and fiber percentage. The use of KCl in soils with K levels close to the ideal for the crop did not affect cotton development and yield, regardless of the dose used. The K2SiO3 contributed to the average mass of 10 bolls and 10 lower bolls, with 170 kg ha−1 of potassium being the best dose for both when using K2SiO3. This dose also contributed to productivity regardless of the source used. Future work can explore the effects of this source under different growing conditions and its economic viability on a large scale.
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Claims 4
Claim · model-written summary
K2SiO3 increased the average mass of 10 bolls and 10 lower bolls of cotton.
- Taxon
- cotton plants
Gossypium hirsutume0 - Treatment
- K2SiO3e1
- Outcome
- average mass of 10 bolls and 10 lower bollse1
- Direction
- contributed toe1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study evaluated the response of cotton plants to different doses and sources of potassium (K)”
e1“The K2SiO3 contributed to the average mass of 10 bolls and 10 lower bolls, with 170 kg ha−1 of potassium being the best dose for both when using K2SiO3”
Claim · model-written summary
170 kg ha−1 of potassium was the best dose for the average mass of 10 bolls and 10 lower bolls when K2SiO3 was used.
- Taxon
- cotton plantsGossypium hirsutume0
- Outcome
- average mass of 10 bolls and 10 lower bollse1
- Qualifier
- 170 kg ha−1 of potassium being the best dose for bothe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study evaluated the response of cotton plants to different doses and sources of potassium (K)”
e1“The K2SiO3 contributed to the average mass of 10 bolls and 10 lower bolls, with 170 kg ha−1 of potassium being the best dose for both when using K2SiO3”
Claim · model-written summary
KCl did not affect cotton development and yield where soil K was near the ideal, regardless of dose.
- Taxon
- cotton plantsGossypium hirsutume0
- Treatment
- KCle2
- Outcome
- cotton development and yielde2
- Direction
- no_changeinferrede2
- Qualifier
- regardless of the dose usede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study evaluated the response of cotton plants to different doses and sources of potassium (K)”
e2“The use of KCl in soils with K levels close to the ideal for the crop did not affect cotton development and yield, regardless of the dose used”
Claim · model-written summary
The best K2SiO3 dose also contributed to cotton productivity regardless of the K source.
- Taxon
- cotton plantsGossypium hirsutume0
- Outcome
- productivitye3
- Qualifier
- regardless of the source usede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study evaluated the response of cotton plants to different doses and sources of potassium (K)”
e3“This dose also contributed to productivity regardless of the source used”
The same questions in other papers
potassium chloride · yield · Gossypium hirsutum (cotton)Results differ
1 paper in the same direction as this paper · 11 in the opposite direction
- positive
- positive
- positive
9 papers more in this group
See all 13 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.