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Ohio State University Extension

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Soil Temperatures and Accumulated GDD

Soil Temperatures and Accumulated GDD

Average 2 inch soil temperatures and accumulated Growing Degrees Days (GDD) from select OARDC Weather Station locations are shown. Based on current accumulated GDD (Table 1) we would expect corn April 12 planting prior to April 30 to be emerged or emerging soon.

Table 1. Weekly and Accumulated GDD values since April 12 from select OARDC weather locations. Corn emergence typically occurs between 100 and 120 GDD accumulation.

 

Dates

OARDC Branch Location

Northwest-Custer

Wooster

Western-Springfield

Piketon

North Central-Fremont

12-Apr to 6-May

143

147

151

191

138

16-Apr to 6-May

121

104

112

130

120

23-Apr to 6-May

121

102

110

126

120

30-Apr to 6-May

105

89

95

98

107

 

Crop Observation and Recommendation Network

C.O.R.N. Newsletter is a summary of crop observations, related information, and appropriate recommendations for Ohio crop producers and industry. C.O.R.N. Newsletter is produced by the Ohio State University Extension Agronomy Team, state specialists at The Ohio State University and the Ohio Agricultural Research and Development Center (OARDC). C.O.R.N. Newsletter questions are directed to Extension and OARDC state specialists and associates at Ohio State.