Cover crops affect soybean yield components, but not grain quality

Euteneuer, Pia; Wagentristl, Helmut; Neugschwandtner, Reinhard W.; Pauer, Stefan; Keimerl, Matthias; Piepho, Hans‐Peter; Steinkellner, Siegrid

doi:10.1002/agj2.21158

Cited by 3 publications

(1 citation statement)

References 54 publications

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“…Especially in conditions of lack of moisture, joint crops can affect the moisture content, due to transpiration of cover crops, increase the moisture content of the upper soil layer. The biomass of cover crops can also delay the germination of soybeans and, thus, affect the formation of the soybean crop [6,[8][9][10]. The advantage of cover crops of the legume family is their ability to accumulate nitrogen in the soil.…”

Section: Introductionmentioning

confidence: 99%

Soybean yield in mixed crops

Shitikova,

Zarenkova,

Negassi

2024

BIO Web Conf.

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The research was carried out at a field experimental station in 2023, in the conditions of a field stationary experiment. The object of research is an early (early-ripening) soybean variety Mageva, zoned for this zone. The research was aimed at studying the features of crop formation and morphoarchitectonics of soybean plants in semi-specific (mixed) crops with cereals and legumes. Studies have established changes in plant height, the number of beans, seeds, and seed weight depending on the studied variant.

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Section: Introductionmentioning

confidence: 99%

Soybean yield in mixed crops

Shitikova,

Zarenkova,

Negassi

2024

BIO Web Conf.

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Soil bacterial community response to cover crop introduction in a wheat-based dryland cropping system

Eberly

Bourgault²,

Dafo³

et al. 2022

Front. Sustain. Food Syst.

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The incorporation of cover crops into cropping systems is important for enhancing soil health in agricultural systems. Soil microbes contribute to soil health by supplying key nutrients and providing protection against plant pests, diseases, and abiotic stress. While research has demonstrated the connection between cover crops and the soil microbiology, less is known regarding the impact of cover crops on the soil microbial community in semi-arid regions of the Northern Great Plains. Our objectives were to evaluate changes in the soil bacterial community composition and community networks in wheat grown after multi-species cover crops. Cover crops were compared to continuous cropping and crop/fallow systems and the effects of cover crop termination methods were also evaluated. Cover crops consisted of a cool season multispecies mix, mid-season multispecies mix, and a warm season multispecies mix, which were grown in rotation with winter wheat. A continuous cropping (wheat/barley) and wheat/fallow system were also included along with cover crop termination by grazing, herbicide application, and haying. Cover crop treatments and termination methods had no significant impact on microbial community alpha diversity. Cover crop termination methods also had no significant impact on microbial community beta diversity. Families belonging to the phyla Actinobacteria, Bacterioidota, and Proteobacteria were more abundant in the cool season cover crop treatment compared to the warm season cover crop treatment. Co-occurrence network analysis indicated that incorporation of cool season cover crops or mid-season mixes in a wheat-based cropping system led to greater complexity and connectivity within these microbial networks compared to the other treatments which suggests these communities may be more resilient to environmental disturbances.

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Winter Cover Cropping in Sustainable Production Systems: Effects on Soybean and Synergistic Implications for Rhizosphere Microorganisms

Vasiljević,

Šeremešić,

Miljaković

et al. 2024

Plants

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The aim of this study was to evaluate the effects of winter cover crops (CCs) on soybean agronomic performance and their implications for different physiological groups of rhizosphere microorganisms in two sustainable production systems. The production techniques for rye, peas, and oats are well known, but their suitability as CCs for soybean (organic and low-input) production needs to be examined. After two years of trials, soybean yields among the two tested winter CCs (peas and oats (P + O) and rye (R)) were statistically significant only for P + O. The soybean yield in succession to P + O as winter CCs was 3.0 t ha−1, whereas in succession to R, it was 2.7 t ha−1, and in the control plot, it was 2.6 t ha−1. The average soybean grain protein content was in the range of 40 to 41% dry matter (DM), while the oil content ranged from 20 to 22% DM. Protein and oil content primarily depends on the selected soybean variety and it is confirmed through this study that, in the studied system, we can obtain adequate grain nutritional quality. The results indicate an increase in the abundance of total bacteria, ammonifiers, and free N2-fixing bacteria in the rhizosphere, depending on the selected CCs, and differences between the tested production systems. According to this study, winter cover crops (CCs), including peas and oats (P + O) and rye (R), can be included in crop rotation for soybean. CCs can be the answer to agro-biodiversity empowerment in less diverse soybean cropping systems, along with other benefits that CCs can provide at the level of crop rotation. In addition, in almost all aspects of the study, organic production was ahead of low input. Low input is an adequate production system if there are no opportunities for organic certification and for producers who are aware of the advantages of sustainable systems, and it can also represent a transitional path towards regenerative agriculture or organic production.

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Cover crops affect soybean yield components, but not grain quality

Cited by 3 publications

References 54 publications

Soybean yield in mixed crops

Soybean yield in mixed crops

Soil bacterial community response to cover crop introduction in a wheat-based dryland cropping system

Winter Cover Cropping in Sustainable Production Systems: Effects on Soybean and Synergistic Implications for Rhizosphere Microorganisms

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