Phosphorus fertilization and enhanced efficiency products effects on sugarbeet

Nana Yaw O. Kusi, W. Bart Stevens, Henry Y. Sintim, Axel Garcia y Garcia, Abdel O. Mesbah

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A major cash crop in the Bighorn Basin of Wyoming (WY) and the Yellowstone River valley of eastern Montana (MT) is Sugarbeet (Beta vulgaris L.). This growing area is characterized by alkaline/calcareous soil conditions that inhibit phosphorus (P) availability. Phosphorus, however, is reported to increase root growth in sugarbeet. This study evaluated the effects of two P fertilizer sources and rates on sugarbeet productivity in Sidney, MT and Powell, WY. The P fertilizer sources were liquid ammonium polyphosphate (APP) and dry monoammonium phosphate (MAP) applied with or without a P availability enhancer (Avail®). A fifth fertilizer treatment consisting of APP + Avail® + starter fertilizer was tested. The APP was banded at 5 cm beside and below the seeds, the starter fertilizer was seed-placed and the MAP was broadcast-incorporated to 5-cm depth. Five P application rates (0, 34, 67, 134, and 201 kg P2O5 ha−1) were tested in Montana, and seven rates (0, 34, 67, 134, 201, 269, and 336 kg P2O5 ha−1) in Wyoming. Results showed significant effects of P fertilizer products and application rates on sugarbeet productivity and quality. The starter fertilizer increased plant stands in Wyoming, which was due to lower temperature (3–6 °C) condition at planting. Avail® increased root yield when APP was applied in Powell, WY, but had no effects when MAP was applied. There was no benefit from treatment with Avail® in Sidney, MT, regardless of fertilizer source. Phosphorus application rates had significant effects on root and sugar yields at both locations. The relationship between P application rate and root and sugar yield was linearly positive and failed to reach a plateau, despite the high P rates tested in this study. Such high P rates however, are not recommended in Wyoming and Montana because of the high economic and environmental cost associated with such rates.

Original languageEnglish (US)
Article number113887
JournalIndustrial Crops and Products
Volume171
DOIs
StatePublished - Nov 1 2021

Bibliographical note

Funding Information:
The authors acknowledge the Western Sugar Cooperative and the Montana-Dakota Beet Growers for providing funds to conduct this study. We are grateful to sugarbeet growers in Montana and Wyoming for guidance and encouragement during the conceptual design and implementation of the field experiments. We thank Dr. Andrew R. Kniss of the Department of Plant Science, University of Wyoming, for his support and expertise advice. Finally, we thank the staff and personnel at the University of Wyoming Research and Extension Center, Powell, WY, the Montana State University Eastern Agricultural Research Center in Sidney, MT, and the USDA-ARS Northern Plains Agricultural Research Laboratory for their support of this study.

Publisher Copyright:
© 2021 Elsevier B.V.

Keywords

  • Avail®
  • Fertilizer product
  • Phosphorus rate
  • Root yield
  • Sugar yield
  • Sugarbeet

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