Abstract
Corn yield can be increased with the application of doses of residues from perennial plant species. Many growers in Northeastern Brazil use carnauba (a palm tree native to that region) leaf residues to address deficiencies in soils that are poor in organic matter. The objective of this work was to evaluate the effects of application of carnauba leaf residue doses on the green ear yields of two corn cultivars. Additionally, we also evaluated corn grain yield. Six doses of leaf residues (0, 2, 4, 6, 8, and 10 mg ha -1 ) were applied in the sowing furrows of two corn cultivars (AG 1051 and BR 106). A completely randomized block design with five replicates and split-plots were used (doses in plots). Increased doses of leaf residues resulted in higher total numbers of green ears and higher numbers and weight of marketable unhusked green ears (BR 106), and higher total green ear weight, marketable husked green ear weight, and grain yield (AG 1051 and BR 106). However, the application of carnauba leaf residues did not influence the total number of green ears, number of marketable unhusked ears, unhusked ear weight (AG 1051), and number of marketable husked ears (AG 1051 and BR 106). Cultivar BR 106 was superior to cultivar AG 1051 in total number of green ears and number of marketable unhusked green ears, while the opposite occurred for green ear weight and grain yield.
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Claims 6
Claim · model-written summary
Increasing leaf residue doses increased total green ear number and marketable unhusked ear number and weight in BR 106.
- Taxon
- corn
Zea mays subsp. mayst0 - Material
- BR 106e0
- Treatment
- Increased doses of leaf residuese0
- Outcome
- total numbers of green ears and higher numbers and weight of marketable unhusked green earse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn”
e0“Increased doses of leaf residues resulted in higher total numbers of green ears and higher numbers and weight of marketable unhusked green ears (BR 106)”
Claim · model-written summary
Increasing leaf residue doses increased total green ear weight, marketable husked ear weight and grain yield in both cultivars.
- Taxon
- cornZea mays subsp. mayst0
- Material
- AG 1051 and BR 106e0
- Treatment
- leaf residuese1
- Outcome
- total green ear weight, marketable husked green ear weight, and grain yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn”
e0“higher total green ear weight, marketable husked green ear weight, and grain yield (AG 1051 and BR 106)”
e1“Increased doses of leaf residues resulted in higher total numbers of green ears and higher numbers and weight of marketable unhusked green ears (BR 106)”
Claim · model-written summary
Leaf residue application did not influence total green ear number, marketable unhusked ear number or unhusked ear weight in AG 1051.
- Taxon
- cornZea mays subsp. mayst0
- Material
- AG 1051e0
- Treatment
- application of carnauba leaf residuese0
- Outcome
- total number of green ears, number of marketable unhusked ears, unhusked ear weighte0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn”
e0“the application of carnauba leaf residues did not influence the total number of green ears, number of marketable unhusked ears, unhusked ear weight (AG 1051)”
Claim · model-written summary
Leaf residue application did not influence marketable husked ear number in either cultivar.
- Taxon
- cornZea mays subsp. mayst0
- Material
- AG 1051 and BR 106e0
- Treatment
- application of carnauba leaf residuese0
- Outcome
- number of marketable husked earse0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn”
e0“the application of carnauba leaf residues did not influence the total number of green ears, number of marketable unhusked ears, unhusked ear weight (AG 1051), and number of marketable husked ears (AG 1051 and BR 106)”
Claim · model-written summary
BR 106 exceeded AG 1051 in total green ear number and marketable unhusked green ear number.
- Taxon
- cornZea mays subsp. mayst0
- Material
- BR 106e0
- Outcome
- total number of green ears and number of marketable unhusked green earse0
- Direction
- superiore0
- Comparator
- AG 1051e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn”
e0“Cultivar BR 106 was superior to cultivar AG 1051 in total number of green ears and number of marketable unhusked green ears”
Claim · model-written summary
AG 1051 exceeded BR 106 in green ear weight and grain yield.
- Taxon
- cornZea mays subsp. mayst0
- Material
- AG 1051e0
- Outcome
- green ear weight and grain yielde0
- Direction
- the oppositee0
- Comparator
- BR 106e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“corn”
e0“Cultivar BR 106 was superior to cultivar AG 1051 in total number of green ears and number of marketable unhusked green ears, while the opposite occurred for green ear weight and grain yield.”