Sampling of Sugarcane Leaves in Field Experiments to Determine the Activity of Nitrate Reductase

Santos, Renato Lemos dos; Freire, Fernando José; Oliveira, Emídio Cantídio Almeida de; Barbosa, José de Arruda; Moura, Maria José Alves de; Lopes, Nayara Rose da Conceição; Costa, Larissa Grasiela de Arruda Ferreira; Guedes, Victor Hugo de Farias; Oliveira, Diego Moura de Andrade; Santos, Monalisa Barbosa da Costa

doi:10.1080/00103624.2017.1421648

Cited by 5 publications

(3 citation statements)

References 19 publications

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“…The NRA was determined in vivo, according to the methodology suggested by Santos et al (2018). Three leaves +1 and a portion of roots of each variety were randomly sampled.…”

Section: Plant Sampling and Measurementsmentioning

confidence: 99%

Nitrate Reductase Activity and Nitrogen and Biomass Accumulation in Sugarcane under Molybdenum and Nitrogen Fertilization

Santos

Freire

Oliveira

et al. 2019

Rev. Bras. Ciênc. Solo

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“…The NRA was determined in vivo, according to the methodology suggested by Santos et al (2018). Three leaves +1 and a portion of roots of each variety were randomly sampled.…”

Section: Plant Sampling and Measurementsmentioning

confidence: 99%

Nitrate Reductase Activity and Nitrogen and Biomass Accumulation in Sugarcane under Molybdenum and Nitrogen Fertilization

Santos

Freire

Oliveira

et al. 2019

Rev. Bras. Ciênc. Solo

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“…), Pernambuco state, Brazil. The soil was classified as Distrocohesive Yellow Argisol (Santos et al . 2018 a ) or Acrisol, according to the World Reference Base for Soil Resources (IUSS Working Group WRB 2015).…”

Section: Methodsmentioning

confidence: 99%

“…), Pernambuco state, Brazil. The soil was classified as Distrocohesive Yellow Argisol (Santos et al 2018a) or Acrisol, according to the World Reference Base for Soil Resources (IUSS Working Group WRB 2015). The site soil had a slight topography, and the chemical properties were: (cmol c /dm 3 ) K 0.05, Na 0.06, Ca 1.60, Mg 0.80, Al 3+ 0.00, H + Al 2.40; Mehlich-1 P 5.00 mg/dm 3 ; and pH(water) 5.5.…”

Section: Experimental Site and Soil Characteristicsmentioning

confidence: 99%

Agronomic responses and herbage nutritive value of elephant grass (Cenchrus purpureus) genotypes grown as monocrops and mixed with butterfly pea (Clitoria ternatea)

Silva

Santos

Mello

et al. 2023

Crop & Pasture Science

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Context. Introducing legumes into grass-based forage systems may increase herbage nutritive value while reducing the need for inorganic nitrogen fertilisation. Grass–legume intercrops may also enhance herbage yield stability.Aim. We evaluated agronomic and nutritional traits of elephant grass (Cenchrus purpureus Schum.) genotypes grown as monocrops and mixed with butterfly pea (Clitoria ternatea L.).Methods. Elephant grass genotypes, two tall (Elephant B and IRI-381) and two dwarf (Mott and Taiwan A-146 2.37), were grown as monocultures or intercropped with butterfly pea in a 2-year trial. Herbage accumulation, yield stability, botanical composition and chemical/bromatological variables were evaluated.Key results. Herbage accumulation was highest (P < 0.001) in Elephant B under monocropping (21.9 t/ha.year); however, this treatment revealed the lowest yield stability over harvest times (σi2 5.59). All intercrops were more stable than grass monocrops (mean σi2 0.66 vs 2.55). Higher (P < 0.001) concentrations of herbage crude protein were found in intercrops than monocrops (mean 113 vs 90 g/kg). Intercrop herbage lignin contents (mean 57 g/kg) and protein fraction C (mean 61 g/kg) were higher than those in monocrops. Dwarf Mott had higher (P = 0.001) digestible dry matter concentration than dwarf Taiwan (755 vs 745 g/kg).Conclusions. Dwarf Mott genotype has outstanding nutritive value because of its higher leaf:stem ratio. Butterfly pea legume added to elephant grass crop in cut-and-carry systems improves herbage yield stability by reducing seasonal effects.Implications. Intercropping butterfly pea in grass-based systems enhances yield stability, allowing herbage harvest with good nutritive value.

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Integrated Application of Nitrogen, Molybdenum and Plant Growth-Promoting Rhizobacterium can Enhance the Sugarcane Growth

et al. 2022

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Sampling of Sugarcane Leaves in Field Experiments to Determine the Activity of Nitrate Reductase

Cited by 5 publications

References 19 publications

Nitrate Reductase Activity and Nitrogen and Biomass Accumulation in Sugarcane under Molybdenum and Nitrogen Fertilization

Nitrate Reductase Activity and Nitrogen and Biomass Accumulation in Sugarcane under Molybdenum and Nitrogen Fertilization

Agronomic responses and herbage nutritive value of elephant grass (Cenchrus purpureus) genotypes grown as monocrops and mixed with butterfly pea (Clitoria ternatea)

Integrated Application of Nitrogen, Molybdenum and Plant Growth-Promoting Rhizobacterium can Enhance the Sugarcane Growth

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