Carry-over effects of cover crops on weeds and crop productivity in no-till systems

Rouge, Alicia; Adeux, Guillaume; Busset, Hugues; Hugard, Rodolphe; Martin, Juliette; Matéjicek, Annick; Moreau, Delphine; Guillemin, Jean‐Philippe; Cordeau, Stéphane

doi:10.1016/j.fcr.2023.108899

Cited by 18 publications

(10 citation statements)

References 61 publications

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“…The result shows that treating plots with herbicides reduced weed density by killing most of the weeds in the treated plots. This is consistent with the findings of Fischer et al 2002;Sharara et al 2005;Rouge et al 2023) who specified that herbicide application decreased weed density by eliminating most of the weeds in the field.…”

Section: Raphanus Raphanistrum Lsupporting

confidence: 91%

Minimizing Weed Impacts and Yield Losses by Application of Broad-Spectrum Herbicides in Maize in the Central Highland of Ethiopia

2023

Agrobiol. Rec.

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A large quantity of maize is wasted due to weeds in Holeta and Ejere districts of Central Ethiopia. The weeds invade the crop fields during the early growth stage by germinating from the soil and driving nutrients from the soil. To manage the crop from the weeds, farmers exercise cultural weed control methods. However, this method of managing the weeds from the crop is tiresome and inefficient. Hence, it was assumed that application of the crops with herbicides soon after sowing or practicing weed free from emergence up to the time of maturity prevents the weeds. The study was to test the efficacy of herbicides on several weed species and increase maize production. The RCBD with three replications was used with plot dimensions every one calculating 5m x 4m. Plots were treated with AGENT 600 ml ha -1 , COYOTE 440 SE 3L.ha -1 , Primagramgold 3L.ha -1 , S-Maspor 960 EC 3L.ha -1 , Surestart 3L.ha -1 and weedy check. The application of S-Maspor 960 EC reduced the density of Corrigiola capensis by 93.3 %, Plantago lanceoleta by 51.6%, Spergula arvensis by 51.6% in Ejere tested location whereas treating plots with Surestart significantly decreased the remaining weed species in Holeta and Ejere. Furthermore, significantly increased cob length by 4.3%, grain yield by 17.58 folds, and reduced yield loss by 93.3% as compared to weedy check plots were also received from the application of Surestart. It is concluded that the application of Surestart 3L ha -1 has proven to significantly decrease weed density and enhanced grain yield.

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Section: Raphanus Raphanistrum Lsupporting

confidence: 91%

Minimizing Weed Impacts and Yield Losses by Application of Broad-Spectrum Herbicides in Maize in the Central Highland of Ethiopia

2023

Agrobiol. Rec.

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“…The diversification of crops over time can be increased by the use of cover crop implemented between the harvest of the previous crop and the sowing of the next cash crop (Teasdale et al, 2007;Rouge et al, 2022). The use of cover crops can improve weed control during this period (Rouge et al, 2022) even if it does not always carry over in the next season (Adeux et al, 2021(Adeux et al, , 2023Rouge et al, 2023) and offer significant and substantial benefits in terms of crop rotation (Sarrantonio and Gallandt, 2003;Marcillo and Miguez, 2017;Nouri et al, 2022).…”

Section: Crop Diversificationmentioning

confidence: 99%

Grand challenges in designing and assessing agroecological cropping systems

Cordeau

2024

Front. Agron.

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“…The difference between farming systems was most striking in how successful farmers were in controlling weeds with CCs (Figure 4). In organic production, CCs act as an important biological tool, but their weed suppression capacity varies depending on the properties of the CCs, as well as the conditions and used crop management [6,7,[52][53][54]. Successes with CCs did not greatly differ depending on the farm size-nor in terms of controlling weeds-but farmers with larger farms agreed more frequently that they considered the means to increase success with CCs a lot (Figure 5).…”

Section: Successes and Positive Prospects For Cover Crops Coupled Wit...mentioning

confidence: 99%

“…In total, 9% of farmers highlighted profitability. Younger farmers (≤50 years) were especially interested in having more results on the profitability of the cultivation of CCs, i.e., costs compared to benefits and consideration of the monetary value of the shortand long-term impacts on yields and ecosystem services [3,7]. The benefits of CCs tend to accumulate over time; therefore, many surveys have indicated that economic barriers prevent deployment [33][34][35].…”

Section: Farmers' To-do List For Research To Support Success With Cov...mentioning

confidence: 99%

“…In the future, large-scale implementation is needed to support the transition towards green, year-round soil cover and achieve the numerous ecosystem services that CCs may provide [1]. The potential advantages for crop production include higher yields [2,3], nutrient cycling [4,5], weed control [6,7], improved soil health [8][9][10], and adaptation to climate change [11]. On the other hand, ecosystem services provided by CCs include reduced nutrient leaching and erosion [12,13], pesticide acquisition [14], and carbon sequestration [15,16].…”

Section: Introductionmentioning

confidence: 99%

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Finnish Farmers Feel They Have Succeeded in Adopting Cover Crops but Need Down-to-Earth Support from Research

Peltonen-Sainio,

Jauhiainen,

Känkänen

2023

Agronomy

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In Finland, there is an ongoing adoption and learning process considering the cultivation of cover crops (CCs). The primary aim is to claim the benefits of CCs for agricultural production and ecosystems, which are both appreciated by Finnish farmers. A farmer survey with 1130 respondents was carried out to build an up-to-date understanding of how farmers have succeeded with CCs and whether they intend to continue with the use of CCs and to collect farmers’ views on knowledge gaps that should be filled by research or better knowledge sharing. The studied groups were farmers who had selected CCs as a registered measure in 2020 to receive agricultural payments. Data came from the Finnish Food Authority. Organic farmers were slightly more positive: they have had longer experience with CCs, but organic production is also more dependent on the ecosystem services provided by CCs. A high share of respondents agreed that their experiences with CCs have improved over time and were confident that CCs had become a permanent element of their production systems. Most of the farmers also agreed that the area under CCs would expand significantly in Finland and considered the cultivation of CCs as an effective measure to improve soil conditions. They often considered that challenges in adopting CCs were exaggerated and disagreed that bad experiences prevented them from expanding or continuing the use of CCs. The agricultural payment available for Finnish farmers to support the cultivation of CCs is quite reasonable (EUR 97 + EUR 50 per hectare) to compensate for any economic risks of CCs. Free word answers from the farmers highlighted research needs (in descending order) in the following areas: crop protection, sowing practices, the use of diverse CCs and their mixtures, and impacts on yield and profitability. Many of these are universal, i.e., have been reported elsewhere. Younger farmers (≤50 years) highlighted profitability, which is, in many European countries, a key barrier to the deployment of CCs. Farmers from the east and north regions, where the growing season is short, highlighted alternative CC choices as a knowledge gap.

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Carry-over effects of cover crops on weeds and crop productivity in no-till systems

Cited by 18 publications

References 61 publications

Minimizing Weed Impacts and Yield Losses by Application of Broad-Spectrum Herbicides in Maize in the Central Highland of Ethiopia

Minimizing Weed Impacts and Yield Losses by Application of Broad-Spectrum Herbicides in Maize in the Central Highland of Ethiopia

Grand challenges in designing and assessing agroecological cropping systems

Finnish Farmers Feel They Have Succeeded in Adopting Cover Crops but Need Down-to-Earth Support from Research

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