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  1. CORESTA Meeting, Agronomy/Phytopathology, 2021, Online, AP 04

    Experiences in evaluation of boron needs in North Carolina flue-cured tobacco production: a summary of plant tissue sufficiency data and impacts on yield and quality

    HARDY D.(1); VANN M.C.(2); JERNIGAN C.(3); McGINNIS M.(1); HICKS K.(1)
    (1) Agronomic Division, North Carolina Dept. of Agriculture and Consumer Services, NC, U.S.A.; (2) Crop and Soil Science Department, North Carolina State University, NC, U.S.A.; (3) Helena Chemical Co., U.S.A.
    Boron (B), an essential micronutrient for optimum plant growth, is required in trace amounts (<1.1 kg B ha-1) by flue-cured tobacco. In past decades, boron deficiency in North Carolina has not been prevalent. However, recently, its deficiency has...
  3. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 23

    Industrial hemp: the benefits, concerns, and unknowns for North Carolina tobacco farmers

    SHORT M.M.(1); McGINNIS M.(2); VANN M.C.(1); SUCHOFF D.H.(1); EDMISTEN K.L.(1)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services, Agronomic Division, Raleigh, NC, U.S.A.
    North Carolina is the leader in flue-cured tobacco production in the United States; however, a growing reduction in demand has led growers to seek other sources of farm gate revenue. In 2014, the federal Farm Bill legalized state regulated growth of...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 16

    Greenhouse and field applications of various organic nitrogen fertilizer sources

    MANNING N.J.; VANN M.C.; SUCHOFF D.H.; WOODLEY A.; McGINNIS M.
    North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.
    Current nitrogen fertilizer programs for organic flue-cured tobacco production have proven successful but are not absent of agronomic concern. In the current evaluation, different organic nitrogen sources were evaluated for their usability in...
  5. 48th TWC, Tob. Work. Conf., 2018, abstr. 17

    Organic transplant production: an evaluation of nitrogen fertility programs

    VANN M.C.(1); FISHER L.R.(1); SEAGROVES R.(1); McGINNIS M.(2)
    (1) North Carolina State University, Raleigh NC USA; (2) North Carolina Department of Agriculture and Consumer Services, Raleigh NC USA
    Organic tobacco production in North Carolina has increased in recent years. Despite increasing interest, little is known regarding the appropriate management of organic nitrogen sources in a seedling float system. Research was conducted to evaluate...
  6. 48th TWC, Tob. Work. Conf., 2018, abstr. 18

    Evaluations of float water aeration in organic transplant production

    FISHER L.R.(1); VANN M.C.(1); SEAGROVES R.(1); McGINNIS M.(2)
    (1) North Carolina State University, Raleigh NC USA; (2) North Carolina Department of Agriculture and Consumer Services, Raleigh NC USA
    At present, the effects of float bed aeration in the production of organic tobacco seedlings are not known. Research was conducted to evaluate two organic nitrogen fertilizer programs and their effects to float water nutrient concentration and...
  7. 48th TWC, Tob. Work. Conf., 2018, abstr. 20

    Screening of acidifying chemicals for use in the production of organic tobacco seedlings

    VANN M.C.(1); SEAGROVES R.(1); SHORT M.(1); McGINNIS M.(2)
    (1) North Carolina State University, Raleigh NC USA; (2) North Carolina Department of Agriculture and Consumer Services, Raleigh NC USA
    Float water bicarbonate concentration in excess of 2.0 meq/L (100 ppm) can result in stunted, unusable seedlings unless float water is acidified. In conventional greenhouse systems, sulfuric acid is used for this purpose; however, that chemical is...
  8. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 07

    Float water alkalinity adjustment in organic seedling production

    VANN M.C.(1); STEVENS D.A.(1); SHORT M.(1); McGINNIS M.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services – Agronomic Division, Raleigh, NC, U.S.A.
    Float water bicarbonate (HCO3-) concentration in excess of 2.0 meq/L (100 ppm) can result in stunted, unusable seedlings unless neutralized. In conventional greenhouse systems, sulfuric acid is used for this purpose; however, it is not currently...
  9. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 19

    Organic fertilizer programs for tobacco seedling production

    VANN M.C.(1); FISHER L.R.(1); SEAGROVES R.(1); McGINNIS M.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services, Agronomic Division, Raleigh, NC, U.S.A.
    Organic tobacco production in North Carolina has increased in recent years. Despite increasing interest, little is known regarding the appropriate management of organic nitrogen sources in a seedling float system. Research was conducted in North...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 20

    Is float bed aeration beneficial to organic seedling production?

    INMAN M.D.(1); VANN M.C.(1); FISHER L.R.(1); SEAGROVES R.(1); McGINNIS M.(2)
    (1) North Carolina State University, Department of Crop & Soil Sciences, Raleigh, NC, U.S.A.; (2) North Carolina Department of Agriculture & Consumer Services, Agronomic Division, Raleigh, NC, U.S.A.
    At present, the effects of float bed aeration in the production of organic tobacco seedlings are not known. Research was conducted in North Carolina to evaluate two organic nitrogen fertilizer programs and their effects to float water nutrient...