Cropping system yield stability in response to plant diversity and soil organic carbon in temperate ecosystems

Manns, Hida R.

doi:10.1080/21683565.2017.1423529

Cited by 17 publications

(11 citation statements)

References 141 publications

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“…However, a number of researchers report on greater yield stability in more genetically diverse crop material in both barley [19,29,[36][37][38] and wheat [39,40]. Positive effects of genetically diverse cropping systems on yield stability in general have also been reported [41,42]. However, little is known about the yield stability of heterogeneous wheat populations and how to adequately describe and compare the yield stability across growing systems.…”

Section: Introductionmentioning

confidence: 99%

Heterogeneous Winter Wheat Populations Differ in Yield Stability Depending on their Genetic Background and Management System

Weedon

Finckh

2019

Sustainability

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Twelve winter wheat composite cross populations (CCPs), based on three genetic backgrounds and maintained at the University of Kassel, Germany, under both organic and conventional management, were assessed for yield performance and stability in comparison to two commercial varieties over eight and 10 experimental years. A number of stability parameters were chosen in order to identify populations with either adaptation to specific environments or broad adaptation across environments. The genetic effects of the CCP parental varieties were clearly present when comparing CCP yield performance in both management systems. Compared to the variety ‘Capo’, CCPs yielded similarly under organic, but poorer under conventional conditions. Under both management systems, CCPs with the broadest or with a more modern (high yielding) genetic base achieved the greatest yield stability, exceeding that of ‘Capo’, and demonstrating the buffering capacity of genetic diversity. CCPs with a genetic background of high yielding parents reacted most strongly to the different environments and apparently diverged under conventional management over time. Possibilities to improve CCPs through the addition of new genetic material while maintaining the benefits of diversity to achieve higher and more stable yields, particularly in light of increasingly unpredictable climatic conditions are discussed.

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Section: Introductionmentioning

confidence: 99%

Heterogeneous Winter Wheat Populations Differ in Yield Stability Depending on their Genetic Background and Management System

Weedon

Finckh

2019

Sustainability

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“…These problems can be alleviated through improving soil quality. With appropriate farming management practices at long-term context, farmers can control soil quality (unlike the weather) to produce high crop yields under current climate conditions, as well as maintain yields despite climate change (Macholdt et al, 2020;Manns and Martin, 2018). For example, Song et al (2015) conducted a 22-year field experiment in northeast China and claimed that compared to inorganic fertilizer treatments, organic matter amendments (crop straw or farmyard manure) can not only increase maize yield but also maintain an increasing trend.…”

Section: Discussionmentioning

confidence: 99%

Soil properties resulting in superior maize yields upon climate warming

Feng

Wang

Harrison

et al. 2022

Agron. Sustain. Dev.

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The impacts of global climate warming on maize yield vary regionally. However, less is known about how soil modulates regionally specific impacts and soil properties that are able to alleviate adverse impacts of climate warming on maize productivity. In this study, we investigated the impacts of multiple soil inherent properties on the sensitivity of maize yield (SY,T) to growing season temperature across China. Our results show that a 1°C warming resulted in the largest yield decline (11.2 ± 6.1%) in the mid-eastern region, but the moderate yield increase (1.5 ± 2.9%) in the north-eastern region. Spatial variability in soil properties explained around 72% of the variation in SY,T. Soil organic carbon (SOC) content positively contributed the greatest extent (28.9%) to spatial variation of SY,T, followed by field capacity (9.7%). Beneficial impacts of increasing SOC content were pronounced in the north-eastern region where SOC content (11.9 ± 4.3 g kg−1) was much higher than other regions. Other soil properties (e.g., plant wilting point, sand content, bulk density, and saturated water content) were generally negatively correlated with SY,T. This study is the first one to answer how soil inherent properties can modulate the negative impacts of climate warming on maize yield in China. Our findings highlight the importance of SOC in alleviating adverse global warming impacts on maize productivity. To ensure food security for a rapidly increasing population under a changing climate, appropriate farming management practices that improve SOC content could reduce risk of adverse effects of global climate warming through a gain in yield stability and more resilient production in China’s maize belt.

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“…Diversifying crop rotations may also be a feasible way to create more balanced agroecosystems. Extended rotations provide natural pest and weed control, and different crops alter the timing and rate of nutrient and water use, thereby making the system more resilient to climatic stressors (Manns & Martin, ). While conversion to corn–soybean rotations has the potential to reduce delivery of ecosystem services, the inclusion of corn or soybean into a crop rotation is not necessarily negative.…”

Section: What Strategies May Be Useful To Create More Balanced Agroecmentioning

confidence: 99%

Cropping pattern changes diminish agroecosystem services in North and South Dakota, USA

et al. 2020

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In the past several decades, North and South Dakota have experienced increased agricultural expansion and crop rotation simplification, namely an increase in corn (Zea mays L.)– soybean [Glycine max (L.) Merr.] systems. This review investigates the nature and extent of those changes, the underlying causes, and the consequences they have on ecosystem services. The framework of ecosystem services is underutilized in agricultural research, but it can be used to describe the sustainability, resistance, and resilience of the system in relation to these land use changes. The current trends are focused on maximizing provisioning services (i.e., food and fuel) at the expense of regulating, cultural, and supporting services. The decline of regulating services can be seen in increased peak river flow (up to 100% and 200% increases in South and North Dakota, respectively), as well as by the 100% increase in area treated by chemicals, partially due to diminished bioregulation of pests and weeds. The effects on supporting services are demonstrated by altered C balances and water cycling, while the loss of cultural connection to the land is evidenced by a 40% decrease in land conservation since 1997. Overall, these changes are making the land in North and South Dakota more susceptible to stressors, such as drought, crop pests, or even economic trends that could greatly harm these agroecosystems and have nationwide ramifications. To address these changes, producers need to provide a balance of agroecosystem services by optimizing currently available management strategies and possibly transforming agricultural practices for long‐term system stability.

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Cropping system yield stability in response to plant diversity and soil organic carbon in temperate ecosystems

Cited by 17 publications

References 141 publications

Heterogeneous Winter Wheat Populations Differ in Yield Stability Depending on their Genetic Background and Management System

Heterogeneous Winter Wheat Populations Differ in Yield Stability Depending on their Genetic Background and Management System

Soil properties resulting in superior maize yields upon climate warming

Cropping pattern changes diminish agroecosystem services in North and South Dakota, USA

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