Response of Surface Drip Irrigated Cotton to Water Levels, Varieties and Plant Populations
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AbstractA drip irrigation trial was conducted at Eloy, Arizona to investigate optimal irrigation levels for cotton. Five irrigation levels (23.6, 26.7, 29.9, 32.8 and 33.8 acre inches) were applied to DPL 41, DPL 90 and DPL 774. The varieties were planted at 5, 10, and 20 pounds/acre. There were no statistical differences in yield in the 3 wetter irrigation treatments. Both of the drier water levels produced significantly lower yields. Significant differences were also detected in the response of the varieties and populations.