Abstract
Nitrogen (N) is a nutrient associated with the development of plant shoots, which makes it a vitally important element for the maintenance and sustainability of pasture. The goal of this study was to evaluate the effects of nitrogen fertilization on the productive and nutritional traits of Urochloa brizantha Paiaguás, as well as the efficiency of digital imaging and the use of a chlorophyll meter in obtaining green color indices. The experiment was conducted in the field on the Escola farm at the State University of Goiás, located in São Luís de Montes Belos, GO. A randomized-block design with five treatments and four replicates was adopted. Treatments consisted of four N rates (0, 75, 150, 300, and 600 kg ha‒1) in the form of ammonium sulfate. The grass responded up to the N rate of 374 kg ha‒1 for production-related traits, such as plant height, number of tillers, and shoot dry matter. Maximum dry matter yields were 21,225 and 13,710 kg ha‒1 yr‒1 for the first and second cycles, respectively. Both the chlorophyll meter and digital imaging were efficient in indicating plant N nutritional status. Paiaguás grass responds to N similarly to other Urochloa brizantha cultivars.
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Claims 5
Claim · model-written summary
Paiaguás grass responded to nitrogen up to a rate of 374 kg per ha for plant height, number of tillers and shoot dry matter.
- Taxon
- PAIAGUÁS GRASSt0
- Treatment
- N ratee0
- Outcome
- plant height, number of tillers, and shoot dry mattere0
- Direction
- respondede0
- Value
- 374 kg ha‒1e0
Not reportedComparator
Verbatim
e0“The grass responded up to the N rate of 374 kg ha‒1 for production-related traits, such as plant height, number of tillers, and shoot dry matter”
t0“PAIAGUÁS GRASS”
Claim · model-written summary
Maximum dry matter yield was 21,225 kg per ha per year in the first cycle.
Verbatim
e0“Maximum dry matter yields were 21,225 and 13,710 kg ha‒1 yr‒1 for the first and second cycles, respectively”
t0“PAIAGUÁS GRASS”
Claim · model-written summary
Maximum dry matter yield was 13,710 kg per ha per year in the second cycle.
Verbatim
e0“Maximum dry matter yields were 21,225 and 13,710 kg ha‒1 yr‒1 for the first and second cycles, respectively”
t0“PAIAGUÁS GRASS”
Claim · model-written summary
Both the chlorophyll meter and digital imaging were efficient in indicating plant nitrogen nutritional status.
Not reportedComparator
Verbatim
e0“Both the chlorophyll meter and digital imaging were efficient in indicating plant N nutritional status”
t0“PAIAGUÁS GRASS”
Claim · model-written summary
Paiaguás grass responds to nitrogen similarly to other Urochloa brizantha cultivars.
Verbatim
e0“Paiaguás grass responds to N similarly to other Urochloa brizantha cultivars”
t0“PAIAGUÁS GRASS”