Bromatological composition of sorghum, millet plant and midget-guandu at different cut times in intercropping and monoculture

Tiritan, Carlos Sérgio; Santos, Diego Henriques; Minutti, Cláudia Regina; Foloni, José Salvador Simoneti; Calonego, Juliano Carlos

doi:10.4025/actasciagron.v35i2.15772

Cited by 10 publications

(10 citation statements)

References 19 publications

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“…However, after cuts, the values increased due to material replacement and increased digestibility. These results are in agreement with those obtained in another study (31) .…”

Section: Resultssupporting

confidence: 93%

Solar Radiation Use Efficiency and Gross Protein of Sorghum Forage Are Modified by the Cutting Management

et al. 2019

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The purpose of this study is to determine the growth, the solar radiation use efficiency, and the gross protein of sorghum forage under different cutting management. A unifactorial design in random blocks (cutting management) was used, varying from no-cut treatment to four cuts. The first cut occurred 44 days after sowing, the second one after 23 days of regrowth, the third one after 25 days of regrowth, and the last one after 40 days of regrowth. The efficiency of the sorghum forage's solar radiation use reduces as the number of cuts increases. The sorghum forage's gross protein increases with cutting management. Therefore, for a sorghum forage crop, it is recommended to restrain the cutting management up to three times during the crop cycle, since it has the biomass potential production, and the cuts should be made at every 25 days, depending on the increase of dry mass. After that, the cutting management should not be done, mainly due to the low radiation use efficiency, reduced dry mass accumulation, and low material quality.

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“…However, after cuts, the values increased due to material replacement and increased digestibility. These results are in agreement with those obtained in another study (31) .…”

Section: Resultssupporting

confidence: 93%

Solar Radiation Use Efficiency and Gross Protein of Sorghum Forage Are Modified by the Cutting Management

et al. 2019

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“…Additionally, we found higher NDF content than Rosser et al (2013), even using plants before head elongation phase. Crude protein concentration averaged 152 g/kg, similarly to Rosser et al (2013) (186 g/kg at head elongation phase) and Tiritan et al, (2013) (146 g/kg; 30 days after sowing).…”

Section: Resultssupporting

confidence: 77%

Nutritional evaluation of millet at different seeding rates and cutting heights

Milke¹,

Campana²,

Antônio³

et al. 2018

Braz. J. Vet. Res. Anim. Sci.

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Os efeitos de diferentes taxas de semeadura e altura de corte na produção e composição bromatológica do milheto foram avaliados em dois experimentos executados em delineamento em blocos casualizados. No primeiro experimento, foram utilizadas 32 parcelas (1,2 x 1,2 m) e avaliadas as taxas de semeadura de 24, 35, 50 e 60 kg/ha. Três cortes foram realizados para avaliar a altura das plantas, a produção de massa fresca e seca, os teores de matéria seca (MS), fibra em detergente neutro (FDN), proteína bruta (PB) e lignina, assim como a digestibilidade in situ da matéria seca e FDN. No segundo experimento, 20 parcelas (1,2 x 3,0 m) foram usadas para avaliar o efeito das alturas de corte de 20, 30, 40 e 50 cm, sobre as variáveis previamente citadas. De acordo com o aumento da taxa de semeadura, houve aumento linear da altura das plantas e da produção de massa seca e fresca e tendência de redução linear da digestibilidade in situ da matéria seca, sem afetar a composição da forragem. A altura de corte não afetou a concentração de proteína bruta, mas aumentou linearmente a altura das plantas, a produção de massa seca e o teor de matéria seca e tendeu a reduzir a digestibilidade in situ da FDN e a concentração de lignina. Assim, o emprego de maiores taxas de semeadura (60 kg/ha) e de altura de corte (50 cm) aumentam a produção de forragem, enquanto que menores alturas de corte aumentam a qualidade da forragem.

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“…For the neutral detergent fiber content, the author reported the opposite results, with 50.87% in the first cut and 56.83% in the second cut, due to the low rainfall indices ( Figure 1) after the first cut. According to Tiritan et al (2013), in situations of water deficit, the plant increases the proportion of fiber carbohydrates and consequently decreases the cytoplasmic components of the cells, also due to the decrease in the leaf/stem ratio (Table 3).…”

Section: Still Inmentioning

confidence: 99%

Production and nutritional quality of black oat forage grown in different population stands under a successive cutting regime

Dochwat

Neumann

Bumbieris

et al. 2020

Arq. Bras. Med. Vet. Zootec.

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The present study aimed to evaluate the agronomic productive and qualitative traits of forage of black oats grown in different stands of plants. The experimental design was a 2 x 2 factorial randomized complete block design consisting of four treatments, two plant stands (175 and 350 plants m2) associated with two successive cutting periods (vegetative and full vegetative) and four replications. The stand of plants did not influence the production of dry biomass; with 175 plants m2, we obtained a compensatory effect by the greater number of tillers m2-1 and/or tiller plant-1. The population stand influenced the chemical parameters, where 175 plants m2 resulted in forage with higher contents of hemicellulose and total digestible nutrients and a lower content of neutral detergent fiber. In the comparison between cuts, the first cut compared to the second presented higher values of crude protein (26.53%). It is recommended that the black oat be cultivated with a population stand of 175 plants m2 for generating an increase in the number of tillers m2-1 and tillers plant-1, in addition to improving the in situ dry matter digestibility of the whole plant, without causing reduction of production of dry biomass per unit area.

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Bromatological composition of sorghum, millet plant and midget-guandu at different cut times in intercropping and monoculture

Cited by 10 publications

References 19 publications

Solar Radiation Use Efficiency and Gross Protein of Sorghum Forage Are Modified by the Cutting Management

Solar Radiation Use Efficiency and Gross Protein of Sorghum Forage Are Modified by the Cutting Management

Nutritional evaluation of millet at different seeding rates and cutting heights

Production and nutritional quality of black oat forage grown in different population stands under a successive cutting regime

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