Estimated yield loss in small grains if seeded after April 15, 22, and 29, at various zones in

   South Dakota.  Estimates are based on data obtained from the Northeast Research Farm,

   South Shore, SD.

 

Area and seeding date	Crop	Daily yield loss (bu/a)
North of Hwy-14, April 29 and later	Wheat	0.8
	Oat	1.8
	Barley	1.5
Between Hwy-14 & I-90, April 22 and later	Wheat	0.8
	Oat	1.8
	Barley	1.5
South of I-90, April 15 and later	Wheat	0.8
	Oat	1.8
	Barley	1.5

 

Robert G. Hall, Extension Agronomist-Crops, Plant Science Department, South Dakota

State University, Brookings, SD 57007.