Cutting Height of Mombasa Grass Under Silvopastoral and Monoculture Systems

Rodrigues, Marcos Odilon Dias; Santos, Antônio Clementino dos; Silveira, Odete Fátima Machado da; Oliveira, Leonardo Bernardes Taverny de; Leite, Raimundo Laerton de Lima

doi:10.5539/jas.v11n5p433

Cited by 3 publications

(3 citation statements)

References 15 publications

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“…Although such a result is in accordance with Orefice (2019) [66], other reports found that shade in the ISPS decreased forage production by 30% [67,68]. According to Rodrigues et al (2019) [24], biomass production of Mombasa grass (Megathyrsus maximus) is affected by the shadow projected by the trees. In a similar study, Alvarado-Figueroa (2017) [65] reported a higher water retention capacity for the ISPS, which is associated with lower water losses due to evapotranspiration, favoring the availability of groundwater and the improvement of soil fertility.…”

Section: Dry Matter Yield and Chemical Composition Of Pasturesupporting

confidence: 63%

“…ISPSs provide environmental services such as erosion control, watershed protection, carbon sequestration (27-163% more than monoculture systems, MS), reductions in methane emissions, atmospheric nitrogen fixation, reductions in biodiversity loss, and modifications of the microclimate improving animal welfare [13,15,[18][19][20][21]. Overall, ISPSs have been reported to be more productive at animal (e.g., higher milk and beef yield) and pasture levels (32% higher dry matter production [22]) per unit of area compared with conventional or monoculture livestock systems [15,[22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

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Intensive Silvopastoral Systems Mitigate Enteric Methane Emissions from Cattle

Flores-Coello,

Hernández-Medrano,

Ku-Vera

et al. 2023

Atmosphere

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Assessments of the efficiency of grazing systems, in terms of productivity and ecological sustainability, are necessary in view of the increased demand for animal protein. In this study, the methane (CH4) emissions (sniffer methodology), dry matter (DM) yield, paddock chemical composition (AOAC and Van Soest methods), nutrient intake (dry matter, DMI; crude protein, CPI; metabolizable energy, MEI), daily milk yield (DMY), body condition score (BCS), and body weight (BW) of cattle, in intensive silvopastoral systems (ISPSs) and monoculture systems (MSs), in the tropics of Mexico were evaluated. In the ISPS, CH4 emissions (18% less) and DMY were lower than in the MS. Cows from MSs tend to disperse across higher values of CH4 emissions per kg of DMI, as well as higher milk production, while cows from the ISPS were dispersed over a higher intake (DMI, CPI, and MEI) and lower CH4 emissions. There were no differences between systems in paddock DM yield, chemical composition, cows’ BCS, and BW, regardless of whether it was the dry (April to May) and rainy (September to October) season. Based on the results obtained in this study, ISPSs contribute to the mitigation of methane emissions in cattle; forage and animal production variables in both systems were similar, with a lower use of imported inputs in the ISPS.

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Section: Dry Matter Yield and Chemical Composition Of Pasturesupporting

confidence: 63%

Section: Introductionmentioning

confidence: 99%

Intensive Silvopastoral Systems Mitigate Enteric Methane Emissions from Cattle

Flores-Coello,

Hernández-Medrano,

Ku-Vera

et al. 2023

Atmosphere

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“…In general, proper cutting could promote the increase of tiller number, which was the key to improve DM yield (Rodrigues et al, 2019). However, the reduced CP content of forage with cutting was due to the leaf number and root nitrogen reserves (Berg et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

Influences of no‐tillage on the yield and silage fermentation quality of Italian ryegrass

Tian

et al. 2023

Grassland Science

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It is common in southern China that rice (Oryza sativa L.) fields are sown with a cover crop like Italian ryegrass (Lolium multiflorum L.) following autumn harvest. The objective of the present research was to compare the effects of different no‐tillage methods on the yield, nutritive composition and silage fermentation quality of Italian ryegrass. Italian ryegrass was planted in winter fallow paddy fields on 9 days (NT9) and 5 days (NT5) prior to rice harvest and on 1 day after rice harvest for 2 years. Sowing prior to harvest was no‐tillage, and sowing after rice harvest was either no‐tillage (NT1) or conventional tillage (CK). The grass was harvested and ensiled two times each year. The growing year had no significant effects on the yield and most nutrition components, while it had significant effects on pH value, butyric acid and NH3‐N contents of silage. There were no differences in the yield, nutritional composition and silage fermentation quality among sowing methods. The neutral detergent fiber and acid detergent fiber of NT1 decreased slightly compared with NT9, NT5 and CK (p > .05). There was no difference in silage fermentation quality among the four treatments. The best sowing method for Italian ryegrass with second cut in winter fallow paddy was no‐tillage sowing after rice harvest.

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Can pasture defoliation management targets be similar under full sun and shaded conditions?

Krahl

Baldissera

Pinto

et al. 2022

Crop & Pasture Science

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Context Defoliation management targets applied to forages under the full sun have not yet been properly evaluated for shaded environments such as occur in integrated crop–livestock systems with the presence of trees. Aims This study aimed to determine defoliation targets under full sun and shaded environments for the shade-tolerant perennial summer grass hybrid Axonopus catharinensis (giant missionary grass), widely used in pasture systems of South Brazil and Argentina. Methods Four pre-defoliation canopy heights (15, 25, 35 and 45 cm) and four defoliation severities (20%, 40%, 60% and 80% reduction in pre-defoliation canopy height) were evaluated. Plants were grown in 0.15 m3 wooden boxes filled with sand/vermiculite substrate (1:1 v/v) and irrigated with a complete nutrient solution. An artificial shade structure was made with wooden slats, reducing light intensity by 50% for shaded plants. Key results Herbage accumulation decreased by 54% in shaded plants compared with those under full sun. Regardless of the light environment, the lowest crude protein content (<150 g/kg dry matter) and the highest neutral detergent fibre content (>650 g/kg dry matter) were observed when the defoliation target height was >35 cm. Both shaded and full sun environments showed decreases in tiller density when defoliation severity was >60% of pre-defoliation canopy heights. Conclusions Pre-defoliation canopy heights >35 cm and defoliation severity >60% of pre-defoliation canopy height should be avoided when managing A. catharinensis, regardless of the light environment. Implications Recommended targets may be easily implemented by livestock producers and are similar for full sun and shade environments.

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Cutting Height of Mombasa Grass Under Silvopastoral and Monoculture Systems

Cited by 3 publications

References 15 publications

Intensive Silvopastoral Systems Mitigate Enteric Methane Emissions from Cattle

Intensive Silvopastoral Systems Mitigate Enteric Methane Emissions from Cattle

Influences of no‐tillage on the yield and silage fermentation quality of Italian ryegrass

Can pasture defoliation management targets be similar under full sun and shaded conditions?

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