Effect of Preplant Irrigation, Nitrogen Fertilizer Application Timing, and Phosphorus and Potassium Fertilization on Winter Wheat Grain Yield and Water Use Efficiency

<table>Rainfall distribution for Altus, Oklahoma, area from the average time of preplant irrigation to the average time of grain harvest for years analyzed. Data obtained from the Oklahoma Mesonet climate monitoring station [<a href="/journals/ija/2014/312416/#B19">31</a>].</table>

International Journal of Agronomy

fig1

Figure 1

Figure 1: Effect of Preplant Irrigation, Nitrogen Fertilizer Application Timing, and Phosphorus and Potassium Fertilization on Winter Wheat Grain Yield and Water Use Efficiency 

Figure 1 | Effect of Preplant Irrigation, Nitrogen Fertilizer Application Timing, and Phosphorus and Potassium Fertilization on Winter Wheat Grain Yield and Water Use Efficiency 