Does cattle grazing of dual-purpose wheat accelerate the rate of stubble decomposition and nutrients released?

Assmann, Tangriani Simioni; Bortolli, Marcos Antonio de; Assmann, Alceu Luiz; Soares, André Brugnara; Pitta, Christiano Santos Rocha; Franzluebbers, Alan J.; Glienke, Carine Lisete; Assmann, Joice Mari

doi:10.1016/j.agee.2014.01.011

Cited by 25 publications

(26 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…With different grazing periods of dual-purpose (grain and grazing) wheat, Assmann et al (2014) observed Ca release rates similar to our study. The stocking rate and grazing period in that study were similar to those under moderate grazing in our research, resulting in a similar half-life time of Ca in the labile fraction of 13-16 days.…”

Section: Resultssupporting

confidence: 76%

“…The stocking rate and grazing period in that study were similar to those under moderate grazing in our research, resulting in a similar half-life time of Ca in the labile fraction of 13-16 days. Under no-grazing conditions, the Ca release rate from the labile fraction was greater in Assmann et al (2014) than in our study, with a half-life time of 27 days. Agreement between studies is explained by similar soil type, management practices, and weather conditions (long-term no-tillage system under an Oxisol in a subtropical climate), reinforcing the importance of specific soil, weather, and management system interactions and the impact of nutrient cycling on food production.…”

Section: Resultscontrasting

confidence: 38%

See 1 more Smart Citation

Calcium and Magnesium Released from Residues in an Integrated Crop-Livestock System under Different Grazing Intensities

Assmann

Martins

Anghinoni

et al. 2017

Rev. Bras. Ciênc. Solo

Self Cite

View full text Add to dashboard Cite

Under integrated crop-livestock production systems (ICLS), plant and animal residues are important nutrient stocks for plant growth. Grazing management, by affecting the numbers of both plants and animals and the quality of residues, will influence nutrient release rates. The objective of this study was to evaluate the impact of grazing intensity on Ca and Mg release from pasture, dung, and soybean residues in a long-term no-till integrated soybean-cattle system. The experiment was established in May 2001 in a Latossolo Vermelho Distroférrico (Rhodic Hapludox). Treatments were a gradient of grazing intensity, determined by managing a black oat + Italian ryegrass pasture at 10, 20, 30, and 40 cm grazing height and no-grazing (NG), followed by soybean cropping. Ca and Mg release rates were determined in two entire cycles (2009/11). Moderate grazing (20 and 30 cm sward height) led to greater Ca and Mg release rates from pasture and dung residues, with low average half-life values (13 and 3 days for Ca and 16 and 6 days for Mg for pasture and dung, respectively). Grazing compared with NG resulted in greater Ca and Mg release from pasture and dung residues. Grazing intensity did not affect Ca and Mg release rates or amounts from soybean residues, but Ca and Mg release rates were greater from soybean leaves than from stems. Although moderate grazing intensities produce higher quality residues and higher calcium and magnesium release rates, a higher total nutrient amount is released by light grazing intensity and no-grazing, determined by higher residue production. Grazing intensity is, then, important for nutrient dynamics in the soil-plant-animal continuum.

show abstract

Section: Resultssupporting

confidence: 76%

Section: Resultscontrasting

confidence: 38%

Calcium and Magnesium Released from Residues in an Integrated Crop-Livestock System under Different Grazing Intensities

Assmann

Martins

Anghinoni

et al. 2017

Rev. Bras. Ciênc. Solo

Self Cite

View full text Add to dashboard Cite

show abstract

“…However, by harvesting only the cob fraction, N export would be similar among hybrids. Dual-purpose classification is well known in corn used for silage and grain production (Oliveira et al, 2013) and in wheat used for grazing and subsequent grain production (Assmann et al, 2014). Although more research is needed, our findings further indicate that some hybrids have greater dual-purpose potential (e.g., grain production, animal feed, and energy).…”

Section: Resultssupporting

confidence: 48%

Production, carbon and nitrogen in stover fractions of corn ( Zea mays L.) in response to cultivar development

et al. 2016

View full text Add to dashboard Cite

Changes in quantity and quality of corn crop stover can have a large impact on soil conservation and soil carbon (C) sequestration over large areas. The aim of this study was to evaluate changes in production, concentration and amount of C and nitrogen (N) in corn stover fractions due to cultivar development. Two field experiments were conducted in the city of Rolândia (Paraná State, Brazil) using ten cultivars representing five technological levels: single cross hybrids, double or triple hybrids, commercial varieties, and creole cultivars. Plant heights and stalk, leaf, cob, husk and tassel weights were determined at final harvest. Elemental C and N analyses were performed in triplicate for each stover fraction. In general, the creole cultivars had greater height, more dry matter (kg ha -1 ) and C content (kg ha -1 ) in husks, leaves, tassels and stalks, particularly when compared to single cross hybrids or others hybrids. There was a direct relationship between C/N ratio and corn selection for husks in both years and for the others fractions in one study year. This was due to the combined effects of increasing C and decreasing N due to crop selection. Large differences were observed within the same technological levels for the evaluated properties, suggesting a wide variation in genetic background. The quantity and quality of stover fractions vary among cultivars and may affect their use for soil cover, animal feed, biomass energy and other applications.Index terms: C/N ratio; genetic breeding; no-tillage system; integrated crop-livestock systems; renewable energy. RESUMOA alteração na quantidade e qualidade dos resíduos culturais do milho podem impactar a conservação do solo e o sequestro de C no solo para extensas áreas. O objetivo do estudo foi avaliar as alterações na produção, concentração e quantidade de C e N nas frações do resíduo do milho em resposta ao desenvolvimento do cultivar. Foram conduzidos dois experimentos de campo na cidade de Rolândia (estado do Paraná, Brasil), sendo cultivados dez cultivares representantes dos cinco níveis tecnológicos que seguem: híbridos de cruzamento simples, duplo ou triplo, variedades comerciais e cultivares crioulas. No final do ciclo foi determinada a altura das plantas e o peso de colmos, folhas, sabugos, brácteas e pendão. Foi realizada a análise elementar em triplicata para C e N em cada fração do resíduo. Em geral, cultivares crioulas tiveram maior altura de planta e matéria seca (kg ha -1 ) e conteúdo de C (kg ha -1 ) nas brácteas, folhas, pendões e colmo, principalmente em comparação aos híbridos simples ou outros híbridos. Ocorreu relação direta entre a relação C/N e a seleção do milho para brácteas para ambos os experimentos e para outras frações no primeiro experimento. Esse resultado foi devido ao aumento do C e redução do N pela seleção da cultura. Foi observada diferença dentro do mesmo nível tecnológico para as variáveis analisadas, sugerindo ampla variação de linhagem genotípica. A quantidade e a qualidade das frações do resíduo variaram entr...

show abstract

“…This may have occurred as a result of the material have budding, providing increased number of leaves 209 Remaining straw and release… MATTEI, E. et al and stems increased number of tillers, compared to treatment with less intensity grazing. Assmann et al (2014), working with dual-purpose wheat and different grazing intensities, observed that the residual material decomposed more rapidly with an increase in grazing intensity. Contradictory results were observed by Medrado et al (2011), evaluating the residual dry matter decomposition of different winter coverages, in which the presence of the animal reduced the rate of decomposition of the cultural residues in relation to the fallow.…”

Section: Resultsmentioning

confidence: 99%

Remaining straw and release of nutrients from oat managed in integrated crop-livestock

Mattei¹,

Oliveira²,

Rampim³

et al. 2018

Biosci. J.

View full text Add to dashboard Cite

Does cattle grazing of dual-purpose wheat accelerate the rate of stubble decomposition and nutrients released?

Cited by 25 publications

References 23 publications

Calcium and Magnesium Released from Residues in an Integrated Crop-Livestock System under Different Grazing Intensities

Calcium and Magnesium Released from Residues in an Integrated Crop-Livestock System under Different Grazing Intensities

Production, carbon and nitrogen in stover fractions of corn ( Zea mays L.) in response to cultivar development

Remaining straw and release of nutrients from oat managed in integrated crop-livestock

Contact Info

Product

Resources

About