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| Web URL(s): | https://gsrpdf.lib.msu.edu/?file=/1920s/1925/2506140.pdf
Last checked: 01/26/2017
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| Publication Type:
| Professional |
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| Content Type: | Q & A |
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| Corporate Author(s): | USGA Green Section |
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| Title: | Acidifying alkaline soils with ammonium sulfate or ammonium phosphate in the control of white clover |
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| Section: | Questions and answers
Other records with the "Questions and answers" Section
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| Source: | The Bulletin of the United States Golf Association Green Section. Vol. 5, No. 6, June 1925, p. 140-141. |
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| Publishing Information: | Washington, DC: USGA Green Section |
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| # of Pages: | 2 |
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| Question: | "We have a number of our greens and tees in creeping bent and have been trying to get them acid by the use of ammonium sulfate but find thus far that the use of it in the quantities recommended gives no results so far as acidity is concerned. Our nursery, on the other hand, is in ground that is naturally acid, and the growth of the bent in our nursery is much stronger than our greens and tees. Can you suggest a method of getting the soil sufficiently acid without injuring the turf? Is sulfur good for this purpose? Would it be practical, in preparing the beds of new greens for stolons, to treat the beds with a sufficient quantity of ammonium sulfate to make them acid before planting the stolons?" |
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| Source of Question: | Iowa |
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| Answer/Response: | "With soils originally acid the results of the use of ammonium sulfate or ammonium phosphate appear in a comparatively short time. With soils originally alkaline, a longer time is required. We would suggest that until the stage is reached where white clover disappears, you apply the chemical weekly as follows: 5 pounds per 1,000 square feet from October 1 to March 31; 4 pounds during April and May; 3 pounds during June; 2 pounds during July, August, and September. You should of course use no other fertilizer along with the chemical, except such as is naturally contained in your topdressings. The applications during the warm months should be followed immediately with watering, to prevent burning of the grass. Do not use sulfur; it is dangerous to use on turf. We are conducting some experiments in the acidifying of soil before planting. We are of the opinion that the liberal application of ammonium sulfate or ammonium phosphate to soil before planting will help greatly. These chemicals may be applied by broadcasting them dry or mixed with sand or compost, or they may be sprinkled on the turf in solution. The objects gained are two: (1) fertilizing, and (2) acidifying the soil. When the soil has become sufficiently acid by the use of one of thse chemicals, white clover, chickweek, and some other common turf weeds will disappear." |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Ammonium sulfate; Application methods; Fertilization rates; Fertilizer recommendations; Golf green maintenance; Soil acidity; Soil pH; Sulfur
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| Language: | English |
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| References: | 0 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
USGA Green Section. 1925. Acidifying alkaline soils with ammonium sulfate or ammonium phosphate in the control of white clover. Bull. U.S. Golf Assoc. Green Sec. 5(6):p. 140-141. |
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| Web URL(s):
https://gsrpdf.lib.msu.edu/?file=/1920s/1925/2506140.pdf
Last checked: 01/26/2017
Requires: PDF Reader |
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MSU catalog number: SB 433.15 .B85 |
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