Crop, livestock and forestry performance assessment under different production systems in the north of Mato Grosso, Brazil

Magalhães, C. A. S.; Pedreira, B. C. e; Tonini, Hélio; Neto, A. L. Farias

doi:10.1007/s10457-018-0311-x

Cited by 43 publications

(41 citation statements)

References 19 publications

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“…In the same experimental area, Pezzopane et al (2019) observed competition and lower corn for silage yield at iCLF_1 before the thinning (2014/2015 crop). This was also observed in other studies in tropical regions, for oat (Nicodemo et al, 2016), corn (Moreira et al, 2018), and soybean corn (Magalhães et al, 2018) crops, with yield reductions near the trees from the second or third year after the planting of trees. The results obtained for the corn crop in this study are similar to those presented by Silva et al (2015) and Moreira et al (2018).…”

Section: Discussionsupporting

confidence: 87%

“…Characteristics, arrangement, and population density of trees in iCLF systems cause environmental changes, which reflect on plant and animal productivity. Numerous studies on iCLF systems, conducted in many Brazilian regions, concluded that competition between components becomes significant 4 or 5 years after their implementation, depending on the arrangement and population of trees, reducing yield of pastures or crops (Magalhães et al, 2018;Pedreira et al, 2017;Pezzopane et al, 2019;Santos et al, 2018). Reductions in pasture yield were also identified in regions subjected to severe water deficits, such as the cattle-raising regions of Australia and New Zealand (Benavides et al, 2009;Pollock et al, 2009;Rivest et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Reducing competition in a crop–livestock–forest integrated system by thinning eucalyptus trees

et al. 2020

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The goal of this study was to evaluate the effects of thinning eucalyptus trees on yield and nutritive value of corn for silage and palisadegrass in a crop–livestock–forest integrated system and to evaluate the total aboveground biomass yield in systems with and without trees. Plant variables, as well as the incidence of photosynthetically active radiation (PAR) and soil moisture, were evaluated between October 2016 and March 2018 in São Carlos, Brazil, in a crop–livestock–forest and a crop–livestock system. In the crop–livestock–forest system, eucalyptus trees (Eucalyptus urograndis clone GG100) were planted in April 2011, in single rows, with 15 × 2 m spacing. In 2016, the trees were thinned, and the spacing was changed to 15 × 4 m. The treatments comprised measurements at 0.00, 3.75, 7.50, and 11.25 m from the trees of the North row in the integrated crop–livestock–forest (iCLF) system and integrated crop–livestock (iCL) system. Palisadegrass (Urochloa brizantha) was sown after harvesting the corn. Corn yields were similar between treatments, with an average of 13.6 Mg ha−1. Corn for silage presented a higher percentage of grain in total biomass in the crop–livestock–forest positions (41.4 and 42.1%) than in the crop–livestock system (35.6%). No differences in forage accumulation were observed. Crude protein content in corn for silage and palisadegrass was higher in the crop–livestock–forest treatments than in the crop–livestock system. Such results indicate that thinning was favorable to production in the crop–livestock–forest system. Total aboveground biomass yield was higher in the iCLF system, indicating better land use for this type of integrated system.

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Section: Discussionsupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Reducing competition in a crop–livestock–forest integrated system by thinning eucalyptus trees

et al. 2020

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“…The experiment was planted in November 2011 (Magalhães, Pedreira, Tonini, & Farias Neto, ), and the crop sequence for each system was implemented at that time (Table ). The experimental period was from 21 July 2016 to 18 July 2017, comprising rainy and dry seasons.…”

Section: Methodsmentioning

confidence: 99%

Forage and animal production on palisadegrass pastures growing in monoculture or as a component of integrated crop–livestock–forestry systems

Carvalho

Domiciano

Mombach

et al. 2019

Grass and Forage Science

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To meet the global demand for animal protein, sustainable intensification of existing livestock systems may be possible, especially through integration of livestock with crops or forestry. Thus, our objective was to compare forage production and animal performance in grass monoculture and integrated systems in the Brazilian Amazon biome. The four systems were (a) livestock (L) with Marandu palisadegrass {Brachiaria brizantha (Hochst. ex A. Rich.) R. D. Webster} as monoculture, (b) palisadegrass pastures integrated with eucalyptus trees (Eucalyptus urograndis; hybrid of Eucalyptus grandis W. Hill ex Maiden and Eucalyptus urophylla S. T. Blake) arranged in three‐row groves with groves spaced 30 m apart (livestock–forestry; LF), (c) palisadegrass after two years of crops (crop–livestock; CL) and (d) palisadegrass after two years of crops with single rows of eucalyptus trees spaced 37 m apart (crop–livestock–forestry; CLF). From July 2016 to July 2017, all experimental units were continuously stocked using a variable stocking rate. Greater herbage accumulation (HA) occurred in CL and CLF in comparison with L and LF (21,310, 24,050, 19,500 and 18,890 kg DM/ha respectively). The gain per hectare of L, LF and CL (average of 932 kg ha–1) was less than CLF (1,190 kg ha–1). Average daily gain was similar among systems (0.69 kg/day). We conclude that integrated systems can support similar (LF or CL) or greater (CLF) levels of animal production than palisadegrass monocultures while increasing diversity of outputs, thereby providing a greater range of viable systems for livestock production in the Brazilian Amazon biome.

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“…In addition, the CLF system had the potential of increasing the soil carbon content by 8 % in three years after its establishment, while it was 4 % in livestock and negative in the row-crop system (Conceição et al, 2017). Magalhães et al (2019) observed that the same CLF system has a potential of producing around 8 m 3 ha -1 yr -1 of eucalyptus wood, which could remove about 2 Mg ha -1 yr -1 of C, taking into account that eucalyptus has wood density of 500 kg m -3 (Gonçalez et al, 2014) and C content of 500 kg per Mg of wood (Razakamanarivo et al, 2011). Thus, besides CLF to have similar soil N 2 O emissions compared to other agricultural systems, it has a great potential to C sequestration, removing C from the atmosphere and storing it in the soil and the biomass.…”

Section: Discussionmentioning

confidence: 99%

Nitrous oxide emissions from a tropical Oxisol under monocultures and an integrated system in the Southern Amazon – Brazil

Nascimento¹,

Rodrigues²,

Silveira³

et al. 2020

Revista Brasileira De Ciência Do Solo

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Although agriculture and livestock systems represent important sources of N 2 O from the soil, they may also aid in emissions mitigation, mainly when integrated systems are taken into account, such as crop-livestock-forest, for food production. This work assessed the soil N 2 O emissions from a tropical Oxisol under row-crop, livestock, forest monocultures, and an integrated crop-livestock-forest system in the Southern Amazon-Brazil. Soil N 2 O emissions were measured using static chambers from November 2014 to October 2016 in four soil use systems [row-crop, livestock, forest, and integrated crop-livestock-forest (CLF)], and in a reference area under native forest fragment. For the whole period, the average of soil N 2 O fluxes was 16.9, 12.2, and 15.4 µg N 2 ON m-2 h-1 , to row-crop, livestock, and CLF systems, respectively, all with a similar average among them. The lowest fluxes were observed in the forest system and native forest fragment, with average fluxes of 4.0 and 6.3 µg N 2 ON m-2 h-1 , respectively, both lower than the agricultural systems. The largest soil N 2 O fluxes were observed throughout the rainy seasons in the row-crop, livestock, and CLF, mostly after N-fertilizer application to the soil surface or in the planted row. As a consequence, the cumulative emissions were greater in row-crop, livestock, and CLF systems, which in the averages of two cycles emitted respectively 1.40, 1.15, and 1.27 kg N 2 ON ha-1 yr-1 , all different of the forest system and native forest fragment (0.33 and 0.52 kg N 2 ON ha-1 yr-1 , respectively). Nitrogen fertilization and soil moisture influenced soil N 2 O emissions of all systems assessed in the Southern Amazon. The N 2 O emissions took place after both factors were met, corroborating the hole-in-the-pipe model. Even with more soil use intensification, once in the same area there were three cultures in succession during a year and perennial trees, CLF did not lead to greater N 2 O emissions from the soil than row-crop and livestock. Thus, CLF represents a good option for N 2 O mitigation for the edaphic and climatic conditions of the Southern Amazon.

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Crop, livestock and forestry performance assessment under different production systems in the north of Mato Grosso, Brazil

Cited by 43 publications

References 19 publications

Reducing competition in a crop–livestock–forest integrated system by thinning eucalyptus trees

Reducing competition in a crop–livestock–forest integrated system by thinning eucalyptus trees

Forage and animal production on palisadegrass pastures growing in monoculture or as a component of integrated crop–livestock–forestry systems

Nitrous oxide emissions from a tropical Oxisol under monocultures and an integrated system in the Southern Amazon – Brazil

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