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Crop Code No. 111

 

 

 

 

 

 Bentgrass Golf Green

 

 Soil Groups 1, 2, 3, or 4

 

 

 

Desired pH 6.0 – 6.5

Phosphorus

Potassium

 

Low

Medium

Sufficient

High

Excessive

 

Comment Numbers

Low

452

452

452

453

453

Medium

452

452

452

453

453

Sufficient

454

454

454

455

455

High

454

454

454

455

455

Excessive

454

454

454

455

455

COMMENTS (68, 69, 452, 453, 454, 455, 535, 654, 655)

452   In the fall, broadcast 2 lbs triple superphosphate (0-46-0) per and 10 lbs 10-10-10 per 1,000 square feet.  In the winter, apply 10 lbs 10-10-10 per 1,000 square feet.  Fertilize only in
fall, winter, and very early spring months (September through February).  In order to maintain desired growth and color, additional nitrogen or complete fertilizer (at the rate of 1 to
2 lbs nitrogen per 1,000 square feet) may be required.  (Recommendation when phosphorus and potassium soil tests are L-L, L-M, L-S, M-L, M-M, M-S)

        

453   In the fall, broadcast 4 lbs triple superphosphate (0-46-0) and 3 lbs of a fertilizer containing around 30% nitrogen (such as 29-2-2, 29-2-5, 28-4-4, or 29-2-5) per 1,000 square feet.  In the winter, broadcast 3 lbs of the 30% nitrogen fertilizer per 1,000 square feet.  Fertilize only in fall, winter, and very early spring months (September through February).  In order to
maintain desired growth and color, additional nitrogen fertilizer (at the rate of 1 to 2 lbs nitrogen per 1,000 square feet) may be required.  (Recommendation when phosphorus and potassium soil tests are L-H, L-­EX, M-H, M-EX)

        

454   In the fall, broadcast 6 lbs 15-0-15 or equivalent fertilizer per 1,000 square feet and repeat the same application in the winter.  Fertilize only in fall, winter, and very early spring months (September through February).  In order to maintain desired growth and color, additional nitrogen or complete fertilizer (at the rate of 1 to 2 lbs nitrogen per 1,000 square feet) may be required.  (Recommendation when phosphorus and potassium soil tests are S-L, S-M, S-H, H-L, H-M, H-S, EX-L, EX-M, EX-S)

        

455   In the fall, broadcast 3 lbs of a fertilizer containing around 30% nitrogen (such as 29-2-2, 29-2-5, 28-4-4, or 29-2-5) per 1,000 square feet as needed to maintain color and vigor.  Fertilize only in fall, winter, and very early spring months (September through February).  In order to maintain desired growth and color, additional nitrogen fertilizer (at the rate of 1 to 2 lbs nitrogen per 1,000 square feet) may be required.  (Recommendation when phosphorus and potassium soil tests are S-H, S-EX, H-H, H-EX, EX-H, EX-EX)

 

535   Broadcast dolomitic limestone as recommended, either in the fall or early spring.