Research Article
Effect of Preplant Irrigation, Nitrogen Fertilizer Application Timing, and Phosphorus and Potassium Fertilization on Winter Wheat Grain Yield and Water Use Efficiency
Table 7
Grain yield means and selected contrasts for the significant main effects of fertilizer treatment and N application timing for 2004 growing season.
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SED: standard error of the difference between the main effects of fertilizer treatment and N application timing. * is significant at the 0.1 level. ns: not significant at the 0.1 level. |