Title page for ETD etd-11142012-040302


Type of Document Master's Thesis
Author Uribe Botero, Eduardo
URN etd-11142012-040302
Title Response of corn to manganese application on Atlantic coastal plain soils
Degree Master of Science
Department Agronomy
Advisory Committee
Advisor Name Title
Brann, Daniel E. Committee Co-Chair
Martens, David C. Committee Co-Chair
Hawkins, George W. Committee Member
Hutcheson, Thomas B. Jr. Committee Member
Keywords
  • Corn
Date of Defense 1985-05-15
Availability restricted
Abstract
Although corn plants are tolerant of low levels of

available soil Mn, Mn deficiencies in corn were suspected on soils where Mn applications had previously increased

soybean seed yields. Five experiments were conducted

in farmer's fields to evaluate the response of

corn to Mn applications. Three band Mn and two broadcast

Mn studies were conducted in five field experiments

on Atlantic Coastal Plain soils. The mean increase in

corn grain yield in the band studies on three soils was

l

960 kg ha-1. Corn grain yields were not increased in

the broadcast Mn studies on Slagle and Dragston fine

sandy loams. Manganese uptake from the Slagle soil was

so high that Mn deficiency did not occur; whereas, Mn

uptake from the Dragston soil was so low that the deficiency

was not completely corrected by up to 24 kg Mn

hha-1 as broadcast MnSO4.

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