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Identifying an In-Season Response Index and the Potential to Increase Wheat Yield with Nitrogen

^a Dep. of Plant and Soil Sciences, Oklahoma State Univ., Stillwater, OK 74078
^b Dep. of Biosystems Eng., Oklahoma State Univ., Stillwater, OK 74078

View larger version (10K): [in a new window]   Fig. 1. Relationship between RINDVI and RIHarvest at Feekes growth stage 5 over 22 locations in 1998, 1999, 2000, and 2001.

View larger version (8K): [in a new window]   Fig. 2. Relationship between RINDVI and RIHarvest at Feekes growth stage 9 over 12 locations in 2000 and 2001.

View larger version (9K): [in a new window]   Fig. 3. Relationship between RINDVI and RIHarvest at Feekes growth stage 10.5 over 14 locations in 2000 and 2001.