Peanut Irrigation Study, 1982, Georgia Coastal Plain

Yield Comparisons:
Study:

Research Objective:
Treatments:
 1.Control - Shallow 0.3 bar at 20-30 cm depths
 2.Deep 0.3 bar at 45-60 cm depths
 3.Shallow 0.3 bar 20-30 cm 2 day delay
 4.No irrigation

Basic Crop Management: PLANTED - 29 Apr 1982; HARVEST - 15 Sep 1982; 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:
 Control - Shallow 0.3 bar at 20-30 cm depths
  • Irrigation Dates and Amounts: Text Format;
  • Phenology: Emergence - 07 May 1982; Pollination (R2) - ; Maturity - 07 Sep 1980
  • Stand Count:
  • Soil Water Pressure Observations: Tensiometer & Gypsum Block
  • Yield Peanuts, 7% moisture, T/ha: Average - 5.21; Individual plots - 5.63, 5.15, 5.51, 5.23, 4.53 Text File
Treatment 2:
  Deep 0.3 bar at 45-60 cm depths
  • Irrigation Dates and Amounts: Text Format;
  • Phenology: Emergence - 07 May 1982; Pollination (R2) - ; Maturity - 07 Sep 1980
  • Stand Count:
  • Soil Water Pressure Observations: Tensiometer & Gypsum Block
  • Yield Peanuts, 7% moisture, T/ha: Average - 5.64; Individual plots - 5.61, 6.17, 5.18, 5.40, 5.83 Text File
Treatment 3:
  Shallow 0.3 bar 20-30 cm 2 day delay
  • Irrigation Dates and Amounts: Text Format;
  • Phenology: Emergence - 07 May 1982; Pollination (R2) - ; Maturity - 07 Sep 1980
  • Stand Count:
  • Soil Water Pressure Observations: Tensiometer & Gypsum Block
  • Yield Peanuts, 7% moisture, T/ha: Average - 5.53; Individual plots - 5.86, 5.85, 5.08, 5.17, 5.69 Text File
Treatment 4:
  No irrigation
  • Irrigation Dates and Amounts: Text Format;
  • Phenology: Emergence - 07 May 1982; Pollination (R2) - ; Maturity - 07 Sep 1980
  • Stand Count:
  • Soil Water Pressure Observations: Tensiometer & Gypsum Block
  • Yield Peanuts, 7% moisture, T/ha: Average - 5.73; Individual plots - 5.49, 6.22, 5.43, 5.08, 6.44 Text File
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.