Abstract
The objective of this work was to assess the effect of poultry litter fertilization levels on corn and black oat yield using different grazing intensities, poultry litter levels (mixture of manure and bedding material) and a chemical fertilization level. The experimental design was a randomized complete block in a split-plot arrangement with four replicates. Black oat + ryegrass grazing intensities, characterized by different pasture sward management, with animal entrance at 25, 30 and 35-cm heights and exit at 5.0, 10 and 15-cm heights, were established at the main plots. After the grazing period, corn was grown at the subplots with four levels of poultry litter (0, 4,953, 9,907 and 14,860 kg ha-1), aiming to supply 0, 100, 200 and 300 kg ha-1 of nitrogen, and a treatment with chemical fertilizer, according to soil analysis. Grazing intensities had no effect on corn yield. Corn yield was 7,493, 8,458, 9,188, 10,247 and 11,028 kg ha-1, respectively, for the treatments without and with 4,953, 9,907 and 14,860 kg ha-1 of poultry litter, and the treatment with chemical fertilization. Poultry litter levels have a residual effect on the production of black oat grown in succession to corn.
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Claims 7
Claim · model-written summary
Grazing intensity did not affect corn yield.
- Taxon
- corn
Zea mays subsp. mayse0 - Treatment
- Grazing intensitiese0
- Outcome
- corn yielde0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grazing intensities had no effect on corn yield.”
Claim · model-written summary
Corn yield without poultry litter was 7,493 kg ha-1.
- Taxon
- CornZea mays subsp. mayse0
- Treatment
- withoute0
- Outcome
- Corn yielde0
- Value
- 7,493e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn yield was 7,493, 8,458, 9,188, 10,247 and 11,028 kg ha-1, respectively, for the treatments without and with 4,953, 9,907 and 14,860 kg ha-1 of poultry litter, and the treatment with chemical fertilization.”
Claim · model-written summary
Corn yield with 4,953 kg ha-1 poultry litter was 8,458 kg ha-1.
- Taxon
- CornZea mays subsp. mayse0
- Treatment
- 4,953e0
- Outcome
- Corn yielde0
- Value
- 8,458e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn yield was 7,493, 8,458, 9,188, 10,247 and 11,028 kg ha-1, respectively, for the treatments without and with 4,953, 9,907 and 14,860 kg ha-1 of poultry litter, and the treatment with chemical fertilization.”
Claim · model-written summary
Corn yield with 9,907 kg ha-1 poultry litter was 9,188 kg ha-1.
- Taxon
- CornZea mays subsp. mayse0
- Treatment
- 9,907e0
- Outcome
- Corn yielde0
- Value
- 9,188e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn yield was 7,493, 8,458, 9,188, 10,247 and 11,028 kg ha-1, respectively, for the treatments without and with 4,953, 9,907 and 14,860 kg ha-1 of poultry litter, and the treatment with chemical fertilization.”
Claim · model-written summary
Corn yield with 14,860 kg ha-1 poultry litter was 10,247 kg ha-1.
- Taxon
- CornZea mays subsp. mayse0
- Treatment
- 14,860e0
- Outcome
- Corn yielde0
- Value
- 10,247e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn yield was 7,493, 8,458, 9,188, 10,247 and 11,028 kg ha-1, respectively, for the treatments without and with 4,953, 9,907 and 14,860 kg ha-1 of poultry litter, and the treatment with chemical fertilization.”
Claim · model-written summary
Corn yield with chemical fertilization was 11,028 kg ha-1.
- Taxon
- CornZea mays subsp. mayse0
- Treatment
- chemical fertilizatione0
- Outcome
- Corn yielde0
- Value
- 11,028 kg ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn yield was 7,493, 8,458, 9,188, 10,247 and 11,028 kg ha-1, respectively, for the treatments without and with 4,953, 9,907 and 14,860 kg ha-1 of poultry litter, and the treatment with chemical fertilization.”
Claim · model-written summary
Poultry litter levels had a residual effect on subsequent black oat production.
- Taxon
- black oat
Avena strigosae0 - Treatment
- Poultry litter levelse0
- Outcome
- production of black oate0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Poultry litter levels have a residual effect on the production of black oat grown in succession to corn.”
The same questions in other papers
grazing · yield · Zea mays (maize)Results differ
24 papers in the same direction as this paper · 11 in the opposite direction
- positive
- positive
- positive
32 papers more in this group
See all 36 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.