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  Turf Crop Factors
Turf (Ka) Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bentgrass (0.8) 0.61 0.61 0.64 0.64 0.75 0.75 1.04 1.04 0.95 0.95 0.88 0.88
Bermuda (0.6) 0.55 0.55 0.54 0.54 0.76 0.76 0.72 0.72 0.79 0.79 0.68 0.68
Bluegrass (0.8) 0.61 0.61 0.64 0.64 0.75 0.75 1.04 1.04 0.95 0.95 0.88 0.88
Kikuyu (0.6) 0.55 0.55 0.54 0.54 0.76 0.76 0.72 0.72 0.79 0.79 0.68 0.68
Paspalum (0.6) 0.55 0.55 0.54 0.54 0.76 0.76 0.72 0.72 0.79 0.79 0.68 0.68
Ryegrass (0.8) 0.61 0.61 0.64 0.64 0.75 0.75 1.04 1.04 0.95 0.95 0.88 0.88
St. Augustine (0.6) 0.55 0.55 0.54 0.54 0.76 0.76 0.72 0.72 0.79 0.79 0.68 0.68
Tall Fescue (0.8) 0.61 0.61 0.64 0.64 0.75 0.75 1.04 1.04 0.95 0.95 0.88 0.88
Zoysia (0.6) 0.55 0.55 0.54 0.54 0.76 0.76 0.72 0.72 0.79 0.79 0.68 0.68