Nitrogen Timing Study - Urea

2017 Multi-Location Wheat Nitrogen Timing Study - Urea

  • Multi-Location

The purpose of this study is to evaluate various timings of nitrogen (N) applications, in the form of urea, to determine their effect on N use efficiency, N loss, yield and profitability.

OBSERVATION

In 2017, a urea timing study was conducted in which three different split applications of urea were applied. In each split application, a total of 120 units/A. of N were applied with a base application of 50 units/A. at Feekes 3 (tillers formed). One treatment had a three-way split with 50 units/A. at Feekes 5 (leaf sheath erect) and 20 units/A. at Feekes 8 (flag leaf emerges). The other two treatments received the remaining 70 units/A. applied at Feekes 8 or Feekes 5. The treatment receiving more N applications appeared to be the most efficient with its N, and resulted in the highest yield and net return.

 

2017 RESULTS

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