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1. Tillage and Nitrogen Management for Irrigated Sugarbeet Production in Eastern MontanaSugar beet (Beta vulgaris L.) is an important cash crop in the Lower Yellowstone River region. Nitrogen management is very critical while farmers are transitioning sugar beet production from conventional tillage to no-till system. The objectives of this study were to: (i) evaluate the effects of fertilizer-N rate and application timing on sugar beet root yield, sugar content, and quality under conventional and no-till managements, (ii) determine N uptake and N use efficiency (NUE)... A. Sutradhar, W. Franck, R. Garza, C. Chen |
2. Effect of Foliar Zinc Application on Durum and Spring Wheat Grain Yield and QualityZinc (Zn) deficiency represents a common micronutrient deficiency in human populations, especially in regions of the world where staple food crops are the main source of daily calorie intake. Micronutrients like Zn also plays an important role in growth and development of plant thereby affecting crop yield and quality. A two-year field trial was conducted at Sidney, Montana, to investigate the effect of foliar application of Zn on yield and grain quality of spring wheat. Zinc treatment included... F. Etemadi, R. Keshavarz afshar, H. He, S. Zhou, Z. Li, C. Chen |
3. Soil Quality and Nitrogen Availability After Eight Years of a Mixed Cover Crop - Wheat RotationDespite a large interest in cover crops in the northern Great Plains, little is known about their effect on both the following wheat crop and soil quality. In 2012, a cover crop study was started in Montana to compare wheat production and soil quality after growing cover crop mixes containing 2-, 6-, or 8-species, with both summer fallow and a sole pea cover crop control, in a 2-yr rotation with wheat. The 2-species mixes represented functional groups (legumes, brassicas, tap rooted, or fibrous... C. Jones, P. Miller, C. Zabinski, K. D'agati |
4. Lentil Nitrogen Fixation Response to Fertilizer and Inoculant in the Northern Great PlainsLentil production in the semi-arid northern Great Plains has increased dramatically over the past two decades, providing agroecosystem benefits of efficient water use, pest cycle disruption, and biological nitrogen (N) fixation. Through N fixation, lentil may help alleviate soil acidification and groundwater contamination by reducing N fertilizer needs. Despite widespread farmer adoption of lentil in the region, little is known about the benefits of fertilizer or inoculant type concerning N fixation.... K. Baber, C. Jones, P. Miller, S. Koeshall |
5. Effect of Soil and Foliar Application of Sulfur, Magnesium, Boron, and Zinc on Root Yield and Sugar Quality in Conventional Till and No Till Sugar BeetField experiment was conducted at the Eastern Agricultural Research Center in Sidney, MT, to determine the effect of S, Mg, B, and Zn on beet yield and sugar quality under conventional and no-till system. Split-plot design was used with 3.6 x 9.1 m experimental plots and four replicates. Tillage was main plot and micronutrient fertilizer was sub-plot. Tillage treatments included conventional and no-till. Fertilizer treatments included SUL4R-PLUS® (Ca & S), SUL4R-PLUS®B+Zn... C. Lim, C. Chen, C. Kowatch-carlson, B. Franck, T. Gross, R. Brown |
6. Dramatic Soil Health Changes After 18 Years of Different Nitrogen Rates and Cropping Systems in the Northern Great PlainsRelatively few long-term cropping and nitrogen rates studies have been conducted in the semi-arid northern Great Plains that assess soil health changes. A cropping system study was initiated in 2002 in Bozeman, Montana (~400 mm annual precipitation) with wheat grown in even years, and either tilled fallow or one of the following no-till systems in odd years: fallow, wheat, pea grain, pea hay, pea green manure, and an alfalfa-grass (until 2012) followed by pea grain. N was applied at either 50%... C. Jones, P. Miller, C. Zabinski, W. Fouts |
7. Effects of Phosphorus and Potassium Application Timing on a Wheat Double Crop Soybean SystemThe wheat-double crop soybean system is a popular choice for Oklahoma producers, as it allows for two crops in one year, and therefore, more revenue in less time. With favorable conditions and proper management, double crop soybeans are yielding as well as full season soybeans. Weather pattern shifts over the last few years have raised the question for growers if they should invest more into the summer double crop, as there is growing potential for profit. While attempting... H. Lovewell, B. Finch, R. Sharry , M. Smith, J. Souza, B. Arnall |
8. Lentil Inoculant, Potassium, Sulfur, and Micronutrient Effects on Yield and Protein in the Northern Great PlainsLentil (Lens culinaris Medikus) is an important crop, averaging more than 600,000 ac in MT and ND from 2016-20. However, relatively little is known about inoculant and fertility response in lentil in the U.S. northern Great Plains. The objective of this experiment was to evaluate the effect of rhizobial inoculant formulations (granular and seed-coat) and nutrient additions (K, S, and micronutrients), on lentil growth, yield, and seed protein. This study was conducted at six or seven university... P. Miller, C. Jones, S. Atencio, C. Chen, E. Eriksmoen, S. Fordyce, P. Lamb, M. Ostlie, J. Rickertsen, M.A. Grusak, M. Bourgault, B. Franck, P. Carr, S. Koeshall, K. Baber |
9. Combined Nitrogen with Magnesium or Zinc Effects on Sugarbeet Yield Sucrose Concentration, and Nutrient Uptake Under Conventional and No-till SystemsSugar beet (Beta vulgaris L.) is an important cash crop in the Lower Yellowstone River valley. Fertility, especially nitrogen (N) fertilizer, management is critical for sugar beet yield and sucrose concentration. While farmers are switching from a conventional tillage method to a no-till system for sugar beet cultivation, nitrogen (N) fertilizer application timing might need to be adjusted. Furthermore, micronutrients may enhance sugar beet yield and sucrose concentration. A two-year... C. Chen, M. Etesami, M. Abdelhamid |
10. Nitrogen Fertilizer and Rhizobium Combinations to Improve Yield and Quality of Mung Bean and Adzuki Bean in MontanaMung bean and adzuki bean are new alternative grain legumes that may be grown in Montana and provide benefits to Montana’s cropping systems by improving long-term diversification and productivity. The objective of this study was to investigate mung bean and adzuki bean response to nitrogen fertilizer and rhizobium combinations to determine the optimum fertilizer management. Two adzuki bean (Organic and O.R varieties) and two mung bean (Organic and L.N varieties) cultivars were grown under... M. Etesami, F. Etemadi, T. Gross, B. Franck, C. Chen, C. Kowatch-carlson, S. Franck |
11. Agronomic Evaluation of Camelina Genotypes Selected for Yield, Oil Concentration, and NUEIn recent years, camelina (Camelina sativa L.) has received global recognition for its role as a biofuel crop and multipurpose addition to cereal-based farming systems in the Northern Great Plains (NGP). The present study objected to investigative the response of selected camelina cultivars, line 229, line 35, line 53, Suneson, and Check1 to nitrogen (N) and sulfur (S) inputs in terms of biomass, yield, seed oil content, and nitrogen use efficiency (NUE) at five nitrogen (N) rates, ranging... M. Etesami, C. Chen, B. Franck, S. Franck, C. Lu |
12. Lime Management in the Semi-arid Regions of the USSoil acidity is increasing in the semi-arid regions of the US; however, questions exist about the efficacy of different liming products to raise soil pH and how long the lime benefits last. Therefore, we conducted two studies: 1) To monitor the efficacy of three liming products: sugarbeet lime (tilled and non-tilled), prilled lime (seed-placed), and aglime (tilled) to improve soil pH and crop yields at two sites in Montana and 2) To evaluate how different sugarbeet lime rates perform to mitigate... M. Rakkar, C. Jones, P. Miller, K. Mcvay, R. Engel |