Spencer Tibbitts

Spencer Tibbitts

Yuba City, California, United States
544 followers 500+ connections

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About

Research scientist with 10 years of experience performing plant science research…

Activity

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Experience

  • Yara North America Graphic

    Yara North America

    Northern California

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    Richvale, California

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    Houston, Texas Area

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    Omaha NE

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    Logan, UT

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    Nampa, ID

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    Wasco Ca

Education

  • Utah State University Graphic

    Utah State University

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    Planned and carried out a research project under the direction of a faculty member, where the effect
    of silica on wheat was studied in both hydroponics and bucket trials in the USU research
    greenhouse.

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    Activities and Societies: Astronomy Society, New Student Orientation

Publications

  • Effect of Silicon on Wheat Growth and Development in Drought and Salinity Stress

    Utah State University

    Silicon is a major component of most soils, and is found in significant concentration in plant tissue. Plants vary widely in the amount of silicon they take up, with some plants excluding it, and others using transporters to move the silicon from the soil into their roots. Early plant physiology studies were unable to determine conclusively whether silicon was essential to plant growth, but for some plants, most notably rice, it has proved to be important enough to justify fertilizing silicon…

    Silicon is a major component of most soils, and is found in significant concentration in plant tissue. Plants vary widely in the amount of silicon they take up, with some plants excluding it, and others using transporters to move the silicon from the soil into their roots. Early plant physiology studies were unable to determine conclusively whether silicon was essential to plant growth, but for some plants, most notably rice, it has proved to be important enough to justify fertilizing silicon deficient fields.

    Researchers at the USU Crop Physiology Lab tested the effect of silicon on wheat growth and seed yield components. One study was grown in buckets of peat moss, with half the buckets being stressed with low water. The other study was grown in hydroponic tubs, with half the tubs being stressed with high levels of salt.

    The results from these studies showed that silicon does increase wheat seed yield and vegetative mass. Wheat with low levels of silicon exhibited twisting of the awns and decreased roughness of leaf surfaces. Silicon also improved water efficiency of drought stressed plants, and affected the concentration of many micro- and macro-nutrients in leaf tissue.

    See publication

Courses

  • Advanced Plant Propagation

    Hort 420

  • Biostatistics

    Math 222

  • Biostatistics

    FDMath 222

  • Botany

    Bio 208

  • Business Law

    B 275

  • Design of Experiments

    Stats 5200

  • Environmental Instrumentation

    PSC 6000

  • Environmental Plant Physiology

    PSC 6270

  • General Botany

    Bio 208

  • Human Resource Management

    B 370

  • Intro to Soils

    Agron 220

  • Introduction to Programming

    CS-144

  • Nursery Management

    Hort 460

  • Organic Chemistry 1

    Chem 351

  • Plant Nutrition

    PSC 6430

  • Plant Propagation

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  • Soil Plant Nutrient Bioavailability

    PSC 6530

  • Weed Biology and Control

    PSC 6550

Organizations

  • Agronomy Society of America

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    - Present

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