Plant response to leonardite and humic acid /

A commercial liquid humic acid (Grow-Plexl P 15) solution

Bibliographic Details
Main Author: Duval, John Robert, 1970-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:A commercial liquid humic acid (Grow-Plexl P 15) solution
agent. Three planting series were established using five
and a technical grade humicacid were used. to test seed
determine if the use of leonardite as a fertilizer supplement
Difference in soil potassium and iron were observed however.
effectiveness of humic acid as a seed treatment and priming
germination. Seeds of Capsicumannum 'Vera Cruz' and'
growth by many investigators in very controlled settings.
hectare. Subplots were treated at the first, the first and
improved crop growth and if there was a residual effect from
Jupiter' were primed in one of the humic acids and/or NaCl.
Leonardite and humic acid have been reported to improve plant
previous applications. Second, to determine the
second, or all three planting series. Brassica rapa 'Purple
Significant differences found could not be attributed to the
The objectives of this study were twofold. First, to
Top White Globe' and Brassica hirta'Florida Broadleaf were
treatments of 0, 56.1, 112. 1, 224.3, 445.6 kg leonardite per
use of either humic acid source.
used as the indicator crops. No differences in plant growth
were observed between planting series or treatment rate.
Item Description:"Major subject: Horticulture".
Vita.
Physical Description:viii, 40 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 35-37.