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*Crop Code No. 112*
Cool-Season Turf Grass Maintenance
(Orchard, Kentucky Bluegrass, Ryegrass)
Soil Groups 1, 2, 3 or 4				Desired pH 6.0-6.5
Phosphorus	Potassium
	Low	Medium	Sufficient	High	Excessive
	pounds of N-P₂O₅-K₂O per acre
Low	160-80-80	160-80-80	160-80-60	160-80-40	160-80-0
Medium	160-40-80	160-40-80	160-40-60	160-40-40	160-40-0
Sufficient	160-40-80	160-40-80	160-40-60	160-40-40	160-40-0
High	160- 0-80	160- 0-80	160- 0-60	160- 0-40	160- 0-0
Excessive	160- 0-80	160- 0-80	160- 0-60	160- 0-40	160- 0-0

COMMENTS (1, 71, 73, 105, 401, 650, 651, 652, 653)

71 Apply 220 lbs Epsom Salts (magnesium sulfate) per acre or a fertilizer containing magnesium. (When lime is not recommended and soil test magnesium is low)

73 Apply 2,200 lbs gypsum per acre. (When lime is not recommended and soil test calcium is less than 400 lbs calcium per acre)

401 Split nitrogen into three applications, one-fourth in September, one-half in November, and one-fourth in February.