Evaluating cover crops forage nutritive value in Oklahoma winter wheat systems

Horn, Kyle M.; Rocateli, Alexandre C.; Warren, Jason G.; Turner, Kenneth E.; Antonângelo, João Arthur

doi:10.1002/agj2.20708

Cited by 3 publications

(3 citation statements)

References 37 publications

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“…Differing from the findings of Blanco-Canqui et al (2012), Boyer et al (2018) observed in a 29-year cotton and winter cover crop experiment in Tennessee cotton production that the highest net present value yields occurred when CC were not used. In grazing operations specifically, Horn et al (2021) suggested that short cycle drought resistant legume CC in Oklahoma could result in stocker cattle grazing profitability when managed appropriately. While total yield was negatively affected by the addition of legume-based crops, the nutrient value of forage was enhanced.…”

Section: Introductionmentioning

confidence: 99%

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Profitability of grazing no‐till established winter cereal pasture and summer cover crops

Sestak¹,

Biermacher

Brorsen

et al. 2023

Agronomy Journal

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No-till establishment (NT) and cover crops (CC) are two agricultural practices promoted to reduce externalities with clean-till (CT) and fallow practices, better soil health, and improve producer profitability. Some research reports economic value for NT on water-limited cropland acres, helping to advance farmer adoption; however, economic research associated with CC is limited. This study determined the economics of NT and CC for small grain pasture grazing systems in the Southern Great Plains (SGP). Data from a 5-year, completely randomized design (CRD) grazing experiment were used in mixed-effects regression models to estimate the effects of establishment method (CT and NT) and either summer fallow (SF) or summer CC on average daily gain (ADG), steer grazing days (SGD), and total gain (TG) ha −1 .Enterprise budgeting was used to determine the relative net benefits of CTSF, NTSF, CTCC, and NTCC systems. Winter TG was the same for CTSF and NTSF systems; however, the NTSF realized 39 and 21 kg TG ha −1 more (p ≤ 0.01) than the CTCC and NTCC systems, respectively. TG on CC was 11 kg ha −1 greater (p ≤ 0.01) for NT than CT. NT realized lower costs for machinery labor and fuel than CT, giving it an economic advantage; however, revenues from grazing CC did not outweigh the additional costs of seed, fuel, and chemical applications. Overall, the NTSF system produced US$34.04 ha −1 greater net returns than the next best system. This result was not sensitive to relative changes in prices of glyphosate, labor, fuel, or cover crop seed.

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Section: Introductionmentioning

confidence: 99%

“…In grazing operations specifically, Horn et al. (2021) suggested that short cycle drought resistant legume CC in Oklahoma could result in stocker cattle grazing profitability when managed appropriately. While total yield was negatively affected by the addition of legume‐based crops, the nutrient value of forage was enhanced.…”

Section: Introductionmentioning

confidence: 99%

Profitability of grazing no‐till established winter cereal pasture and summer cover crops

Sestak¹,

Biermacher

Brorsen

et al. 2023

Agronomy Journal

View full text Add to dashboard Cite

show abstract

“…Additionally, relative forage quality (RFQ) of samples was calculated by the formula: RFQ = DMI × TDN/1.23 (Undersander & Moore, 2002). Total digestible nutrients (TDNs) were determined from ADF values using the formula: TDN legume = 88.875 – (0.812 × %ADF) (Horn et al, 2021).…”

Section: Methodsmentioning

confidence: 99%

Forage accumulation and nutritive value of four peanut (Arachis hypogaea L.) market types in the US Southern Great Plains

et al. 2023

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Dual use crops are becoming popular as resources like land and water become scarcer. Annual peanuts are an important food crop grown worldwide that can also be used as forage or hay. Replicated trials evaluated the late season (≥15 weeks after planting) forage accumulations and nutritive values (acid detergent fiber, carbon content, crude protein, invitro true digestibility, neutral detergent fiber, nitrogen content, and relative feed value) of four market types near Clovis, NM and El Reno, OK in 2019 and 2020. Statistical analyses (p ≤ .05) showed all traits were affected by the interaction between market type and growing environment. Overall, forage accumulations for all market types ranged from 2.7 to 6.5 Mg ha−1 with relative feed values of 107–155. The location average across sites was 4.45 Mg ha−1 with relative feed value of 132. The Virginia market types produced large amounts of biomass. However, the Valencia market type generated the greatest nutritive values. This study indicates harvesting late‐season biomass of peanuts for hay may be an option that allows producers to generate more income from limited land and water resources. However, both market type and environmental factors, such as rainfall/irrigation, play important roles in production and forage nutritive values of peanut forage.

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Evaluation of Nitrogen and Cropping System Management in Continuous Winter Wheat Forage Production Systems

et al. 2023

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In the central Great Plains, winter wheat is used for over-winter grazing for cattle and sheep until the late spring months, when livestock are moved to grass pasture. As the popularity of summer cover crops increases, interest in their use in forage production systems increases as well. There is specific interest in the opportunity to increase productivity by the inclusion of a crop grown in the fallow season of winter wheat fields. The intensification of systems in a resource (water and/or nitrogen) limited region could decrease winter wheat forage production influencing a system’s ability to sustain continuous forage production. Nitrogen (N) management could be effective in mitigating negative impacts on winter wheat. The objective of this study is to evaluate the influence of different summer forage crop species and different N management strategies in a multi-year continuous winter wheat forage production system in the central Grain Plains. Increased production of dry matter and crude protein was observed by implementing summer forage crops into a winter wheat forage system. A deleterious effect of summer crops compared to traditional fallow periods was observed but mitigated by the split application of N even compared to the same rate applied at pre-plant.

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Evaluating cover crops forage nutritive value in Oklahoma winter wheat systems

Cited by 3 publications

References 37 publications

Profitability of grazing no‐till established winter cereal pasture and summer cover crops

Profitability of grazing no‐till established winter cereal pasture and summer cover crops

Forage accumulation and nutritive value of four peanut (Arachis hypogaea L.) market types in the US Southern Great Plains

Evaluation of Nitrogen and Cropping System Management in Continuous Winter Wheat Forage Production Systems

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