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Deliboran A.,Directorate of Agricultural Research Institute and GAP Soil Water Resources | Sakin E.,Harran University | Boydak E.,Bingol University | Aslan H.,Directorate of Agricultural Research Institute and GAP Soil Water Resources
Scientific Research and Essays | Year: 2011

This field trial was conducted to examine the effects of different doses of magnesium (Mg) and phosphorus (P) fertilizers on yield per decare (da), plant growth and yield characteristics of soybean plants grown with differing amounts of water. The experimental design was a randomized complete block with a split-split plot design with three replications, and was conducted in 2006 and 2007. Three different water levels (I 1, I 2, I 3), four different doses of phosphorus (0, 4, 8 and 12 kg P da-1) and three different doses of magnesium (0, 4 and 8 kg Mg da -1) were administered. The cumulative pan values obtained from the class-A evaporation pan were 33% for I 1, 67% for I 2 and 100% for I 3. The yield per da, plant height, node number, branch number, first soybean height, soybean number, soybean height and number of seeds per soybean were examined. Increasing water, magnesium and phosphorus increased the yield per decare, plant height, node number, branch number, first pod height, pod number, pod height and seeds per pod. Moreover, increasing water increased the height of the first pod, while increasing phosphorus and magnesium reduced first pod height.

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