Maize Irrigation Study, 1981, Georgia Coastal Plain

Yield Comparisons:
Study:

Research Objective:
Treatments:
 1.Lambert model
 2.Tensiometer at 30 cb - deep (45-60 cm)
 3.Control - Tensiometer at 30 cb - shallow (15-30 cm)
 4.Wilting symptoms
 5.Calculated risk model

Basic Crop Management: PLANTED - 14 Apr 1981 (rows 0.9m apart); HARVEST - 04 Aug 1981 (2-row grain combine); TILLAGE - Moldboard Plow (30 cm deep plus smoothing and bed shaping), wheel traffic controlled at 1.2 m centers; FERTILIZATION - Typical Extension Recommended Rate; WEED & PEST CONTROL: Typical Extension Recommendations.
Chronological Treatment and Observation Details

Observations and data sets for individual treatments (crop years) follow:
Treatment 1:
 Lambert model
 Treatment 2:
 Tensiometer at 30 cb - deep (45-60 cm)
 Treatment 3:
 Control - Tensiometer at 30 cb - shallow (15-30 cm)
 Treatment 4:
 Wilting symptoms
 Treatment 5:
 Calculated risk model
For more information on the study and its interpretation contact:
Dr. Jim Hook Professor, Soil and Water Management
Crop and Soil Sciences Department and NESPAL
The University of Georgia, College of Agricultural and Environmental Sciences
P.O. Box 748, Tifton, GA 31793-0748
e-mail: jimhook@tifton.cpes.peachnet.edu

Page developed by James E. Hook, Amanda Richards, and Linsey Forlow.
Last Modified on 29 June 2000.