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Fall-seeded cover crops (CCs) enhance soil health and sustainability providing soil coverage, reducing soil erosion and NO3-N leaching. The objective was to evaluate the yield and composition of sugarbeet (Beta vulgaris L.) planted after cover crop treatments. The experiment was a randomized complete block design, with a split-plot arrangement, at two locations; Prosper and Hickson, ND. Forage radish (Raphanus sativus L.), winter camelina (Camelina sativa (L.) Crantz), winter wheat (Triticum aestivum L.), oat (Avena sativa L.), and winter rye (Secale cereale L.) were planted into spring wheat stubble in August 2017 and 2018. A control treatment without the cover crop was included. In late fall, soil NO3-N (0–15 cm) was significantly lower in all cover crop treatments (36%) than in control, decreasing leaching risk. In the spring, gravimetric water content was less under winter rye and winter camelina compared with the control. Sugarbeet was planted into the residue of fall-planted cover crops. Two N treatments, 0 and 112 kg N ha−1, were applied. Sugarbeet establishment and root yield decreased following winter rye and winter camelina. Winter-hardy cover crops provided green soil cover in the spring but had a negative effect on gravimetric water content, stand count, and sugarbeet yield.

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Do Fall-Seeded Cover Crops Affect Sugarbeet Establishment, Production, and Nutrient Cycling?

  • 会议论文

  • 发表日期：

    2025年

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  • Sergio Cabello-Leiva,
  • Marisol T. Berti,
  • David W. Franzen,
  • Larry Cihacek,
  • Thomas Peters,
  • Dulan Samarappuli,
  • Abbey Wick

摘要

Fall-seeded cover crops (CCs) enhance soil health and sustainability providing soil coverage, reducing soil erosion and NO3-N leaching. The objective was to evaluate the yield and composition of sugarbeet (Beta vulgaris L.) planted after cover crop treatments. The experiment was a randomized complete block design, with a split-plot arrangement, at two locations; Prosper and Hickson, ND. Forage radish (Raphanus sativus L.), winter camelina (Camelina sativa (L.) Crantz), winter wheat (Triticum aestivum L.), oat (Avena sativa L.), and winter rye (Secale cereale L.) were planted into spring wheat stubble in August 2017 and 2018. A control treatment without the cover crop was included. In late fall, soil NO3-N (0–15 cm) was significantly lower in all cover crop treatments (36%) than in control, decreasing leaching risk. In the spring, gravimetric water content was less under winter rye and winter camelina compared with the control. Sugarbeet was planted into the residue of fall-planted cover crops. Two N treatments, 0 and 112 kg N ha−1, were applied. Sugarbeet establishment and root yield decreased following winter rye and winter camelina. Winter-hardy cover crops provided green soil cover in the spring but had a negative effect on gravimetric water content, stand count, and sugarbeet yield.