Abstract
© 2024, Asociacion Argentina de la Ciencia del Suelo. All rights reserved.This research aimed to evaluate the changes in the soil chemical attributes and their effects on the agronomic attributes of corn, after conversion from conventional tillage (PC) to no-tillage (SD), in a Inceptisol soil (Cambissolo Húmico alumínico léptico). In an experiment where PC and SD effects had been studied for 20 yr, main plots under PC were converted to SD and referred to as implemented SD (SDi) while plots under SD remained unaltered and were referred to as consolidated NT (SDc). The pH in water, exchangeable aluminum, potassium, calcium, and magnesium, extractable phosphorus, and total organic carbon (COT), were determined at the beginning of the experiment and after a 30-month period. The agronomic attributes of corn grown under SDi and SDc were also evaluated. At the end of the experiment, plots under SDi evidenced an increase in exchangeable aluminum and potassium and COT, and a decrease in pH and exchangeable calcium. Corn biomass accumulation in shoots and roots increased and higher grain yields were observed under SDc compared to SDi.
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Claims 4
Claim · model-written summary
Converting plots from conventional tillage to no-tillage (SDi) increased exchangeable aluminum, potassium and total organic carbon in the soil.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- converted to SDe2
- Outcome
- exchangeable aluminum and potassium and COTe1
- Direction
- increasee1
- Comparator
- plots under PCe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn production”
e1“plots under SDi evidenced an increase in exchangeable aluminum and potassium and COT”
e2“main plots under PC were converted to SD and referred to as implemented SD (SDi)”
Claim · model-written summary
Converting plots from conventional tillage to no-tillage (SDi) decreased soil pH and exchangeable calcium.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- converted to SDe2
- Outcome
- pH and exchangeable calciume3
- Direction
- decreasee3
- Comparator
- plots under PCe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn production”
e2“main plots under PC were converted to SD and referred to as implemented SD (SDi)”
e3“a decrease in pH and exchangeable calcium”
Claim · model-written summary
Corn biomass accumulation in shoots and roots increased under consolidated no-tillage (SDc) compared with SDi.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- consolidated NT (SDc)e6
- Outcome
- biomass accumulation in shoots and rootse4
- Direction
- increasede4
- Comparator
- SDie5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn production”
e4“Corn biomass accumulation in shoots and roots increased”
e5“higher grain yields were observed under SDc compared to SDi”
e6“plots under SD remained unaltered and were referred to as consolidated NT (SDc)”
Claim · model-written summary
Corn grain yields were higher under consolidated no-tillage (SDc) than under SDi.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- consolidated NT (SDc)e6
- Outcome
- grain yieldse5
- Direction
- highere5
- Comparator
- SDie5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn production”
e5“higher grain yields were observed under SDc compared to SDi”
e6“plots under SD remained unaltered and were referred to as consolidated NT (SDc)”
The same questions in other papers
tillage · yield · Zea mays (maize)Positive and negative results
811 papers in the same direction as this paper · 230 in the opposite direction · 57 reporting no difference from an alternative
- no effect
- negative
- no effect
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See all 1,099 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.