Agronomic and Economic Benefits of Rotating Corn with Soybean and Spring Wheat under Different Tillage in Eastern Canada

Gagnon, Bernard; Pouleur, Stéphan; Lafond, Jean; Parent, Gaétan; Pageau, Denis

doi:10.2134/agronj2018.10.0653

Cited by 13 publications

(17 citation statements)

References 73 publications

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“…Other studies have also reported greater soybean yields in wheat‐containing rotations compared to when rotated only with corn (Katsvairo & Cox, 2000; Kazula & Lauer, 2018). However, other studies have reported that soybean yields in wheat‐containing rotations are similar to when rotated only with corn (Gagnon et al., 2019; Lund et al., 1993).…”

Section: Resultsmentioning

confidence: 89%

Section: Resultsmentioning

confidence: 95%

“…Gagnon et al. (2019) reported that in Quebec that soybean yield in CSW rotation was greater than when planted continuously with intermediate yields in the CS rotation. However Lund et al.…”

Section: Resultsmentioning

confidence: 99%

“…Straw sales minimized net revenue reductions associated with including wheat in rotations in the RT system at Ridgetown. Other studies have also reported that wheat straw sales enabled wheatcontaining rotations to match, or exceed, economic performance of CS rotations (Gagnon et al, 2019;Katsvairo & Cox, 2000) Winter wheat harvest in the study region is usually completed in July leaving a 2-3 mo postharvest fallow period in which cover crops could be established. Both trials included rotations that contained red clover cover crops established following wheat with corn fertilizer N rate assumptions that did not consider rotation N credits.…”

Section: Potential Economic Benefits For Including Wheat Into Corn and Soybean Based Rotationsmentioning

confidence: 91%

“…Extending the length of rotation by including wheat has also been reported to increase soybean yield relative to CS in New York (Katsvairo & Cox, 2000), South Dakota (Lehman et al, 2017), and at two of three trials in Wisconsin (Kazula & Lauer, 2018). Gagnon et al (2019) reported that in Quebec that soybean yield in CSW rotation was greater than when planted continuously with intermediate yields in the CS rotation. However Lund et al (1993) reported that inclusion of wheat into the CS rotation did not increase yield at their Wisconsin trial.…”

Section: Soybean Yieldmentioning

confidence: 96%

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Corn and soybean yields and returns are greater in rotations with wheat

et al. 2021

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Simple rotations containing only corn (Zea mays L.) and/or soybean (Glycine max L.) dominate landscapes despite agronomic, soil health, and environmental benefits associated with diversification. We hypothesize that inclusion of wheat (Triticum aestivum L.) in corn-soybean (CS) rotations increases yield and net returns and that this benefit is becoming larger over time. Yields from rotation-tillage trials located near Elora and Ridgetown, ON, Canada, respectively, were used to investigate the yield and return effects of diversifying CS rotation using wheat with/without red clover (Trifolium pratense L). At Elora, wheat inclusion increased rate of yield increase in corn and soybean over 36 yr. During the latter 16 yr, adding wheat to CS rotation increased conventional tillage (CT) 1st and 2nd-year corn yields (with red clover) by 0.43 Mg ha −1 (4.2%) and 0.98 Mg ha −1 (11.8%), respectively, no-till 1st and 2nd-year corn yields (no red clover) by 0.78 Mg ha −1 (9.9%) and 0.45 Mg ha −1 (5.3%), respectively, and 1st-year soybean yield by 0.34 Mg ha −1 (11.8%). At Elora, net returns in the 4-yr wheat-containing rotations were 10% greater compared to the CS rotation. Similar corn and soybean yield responses including wheat in 2 or 3 yr rotations also occurred at the greater-yielding Ridgetown trial, however net returns were not increased relative to the CS rotation. Inclusion of wheat in CS rotation once every 4-5 yr may provide the optimal balance between accruing higher net returns from corn and soybean while minimizing direct net revenue reductions associated with wheat.

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Section: Resultsmentioning

confidence: 89%

Section: Resultsmentioning

confidence: 95%

“…Gagnon et al. (2019) reported that in Quebec that soybean yield in CSW rotation was greater than when planted continuously with intermediate yields in the CS rotation. However Lund et al.…”

Section: Resultsmentioning

confidence: 99%

Section: Potential Economic Benefits For Including Wheat Into Corn and Soybean Based Rotationsmentioning

confidence: 91%

Section: Soybean Yieldmentioning

confidence: 96%

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Corn and soybean yields and returns are greater in rotations with wheat

et al. 2021

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An overview of the Ohio Corn Performance Test: Trends over 50 years

Medeiros,

Zavala,

Shahrokhi

et al. 2024

Agronomy Journal

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The Ohio Corn Performance Test (OCPT) aims to provide farmers, educators, agronomists, and seed companies with information to help growers make decisions regarding hybrid selection and increase overall crop productivity. For more than 50 years, the OCPT has evaluated the agronomic performance of commercially available corn hybrids across the state. The objective of this study was to highlight overall trends as they relate to crop management, agronomic performance, and grain yields. The program has been planted annually at about 10 distinct sites grouped in three regions: Southwest/West Central Region, Northwest Region, and North Central/Northeast Region. Data collection and measurements include crop emergence percentages, lodging ratings, grain moisture, volumetric grain weight, and grain yields. Over the last 50 years, more than 53,000 hybrid combinations (i.e., hybrids × environments × years) were tested in the OCPT. From 1972 to 2021, seeding rates increased from 68,259 to 89,239 seeds ha−1, seedling emergence increased from 86.2% to 94.9%, and final plant stands increased from 58,559 to 84,649 plants ha−1. From these trends, the number of days from planting to harvest decreased by 11.5 days (slightly later planting dates, variable harvest dates), grain moisture at harvest decreased by 48 g kg−1, and average volumetric grain weight increased by 83 kg m−3. The same period had a grain yield gain of 0.135 Mg ha−1 year−1, with 9.09 Mg ha−1 in 1972 and 16.97 Mg ha−1 in 2021 (an 87% increase). Overall, the annual OCPT results show agronomic and yield improvements that have contributed to the selection of hybrids in the state of Ohio.

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Registration of oat cultivar ‘Rushmore’

Caffe

Hall

et al. 2023

J of Plant Registrations

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More awareness from consumers on the health benefits of oat (Avena sativa L.) in the last few decades has increased the demand for oat. However, in the United States, oat production has continued to decline. Most of the oats used in U.S. food products are imported from Canada. Although oats are known to fit well in corn (Zea mays L.)–soybean [Glycine max (L.) Merr] rotations, difficulties in marketing the grain and relatively low prices in comparison to corn and soybeans have limited the number of acres planted to oats. High‐yielding oat cultivars adapted to the Northern Great Plains with high test weight and good milling characteristics are needed. ‘Rushmore’ (Reg. no. CV‐388, PI 698122) is a spring oat cultivar released by the South Dakota Agricultural Experiment Station in 2019. Rushmore was derived from the three‐way cross SD080015//SD070110/SD060130 and developed using a modified bulk and single‐seed descent method. Prior to release, Rushmore was tested in the uniform early oat performance nursery in 2016 and 2017 and in the South Dakota Crop Performance Testing oat variety trial since 2017. Rushmore was evaluated as experimental line SD140515 and evaluated for grain yield, test weight, disease resistance, lodging resistance, grain shape, milling characteristics, and grain composition. Rushmore was released to oat producers due to its combination of high grain yield, excellent test weight, lodging and disease resistance, and good milling characteristics. The excellent test weight potential of Rushmore is expected to help producers in marketing their grain to the feed and food industries.

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Agronomic and Economic Benefits of Rotating Corn with Soybean and Spring Wheat under Different Tillage in Eastern Canada

Cited by 13 publications

References 73 publications

Corn and soybean yields and returns are greater in rotations with wheat

Corn and soybean yields and returns are greater in rotations with wheat

An overview of the Ohio Corn Performance Test: Trends over 50 years

Registration of oat cultivar ‘Rushmore’

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