Abstract
Corn cultivation is part of crop rotation used by irrigation farmers from the southwestern region of São Paulo state, Brazil, who use no-tillage soil management as a kind of sustainable use of soil. The effect of this conservative practice on physical and hydrical properties of the soil, root development and corn crop yield compared to the conventional management was the objective of this work. The experiment was held at the Buriti-Mirim Farm, Angatuba, SP, Brazil, using an irrigated area with a center pivot system and two types of soil management: conventional and no-tillage systems. Although the no-tillage management had higher soil density and less water availability, no significant difference was found for both management systems concerning soil resistance to penetration, root development and crop yield. In both systems of soil management, 90% of roots were concentrated in the first 0-20cm of soil layer.
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Claims 4
Claim · model-written summary
No-tillage management had higher soil density than conventional management in irrigated corn.
- Taxon
- corn
Zea mays subsp. mayse1 - Treatment
- no-tillage managemente0
- Outcome
- soil densitye0
- Direction
- highere0
- Comparator
- conventional managemente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Although the no-tillage management had higher soil density and less water availability”
e1“root development and corn crop yield compared to the conventional management”
Claim · model-written summary
No-tillage management had less soil water availability than conventional management in irrigated corn.
- Taxon
- cornZea mays subsp. mayse1
- Treatment
- no-tillage managemente0
- Outcome
- water availabilitye0
- Direction
- lesse0
- Comparator
- conventional managemente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Although the no-tillage management had higher soil density and less water availability”
e1“root development and corn crop yield compared to the conventional management”
Claim · model-written summary
No significant difference was found between the two management systems in soil resistance to penetration, root development and crop yield.
- Taxon
- cornZea mays subsp. mayse1
- Treatment
- both management systemse0
- Outcome
- soil resistance to penetration, root development and crop yielde0
- Direction
- no significant differencee0
- Comparator
- conventional managemente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant difference was found for both management systems concerning soil resistance to penetration, root development and crop yield”
e1“root development and corn crop yield compared to the conventional management”
Claim · model-written summary
In both soil management systems, 90% of corn roots were concentrated in the first 0-20 cm of soil.
- Taxon
- cornZea mays subsp. mayse1
- Organ / stage
- rootse0
- Outcome
- concentrated in the first 0-20cm of soil layere0
- Value
- 90%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both systems of soil management, 90% of roots were concentrated in the first 0-20cm of soil layer”
e1“root development and corn crop yield compared to the conventional management”
The same questions in other papers
cultivation system · disease · Zea mays (maize)Positive and negative results
1 paper in the same direction as this paper · 2 reporting no difference from an alternative
- positive
- positive
- negative
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.