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| Web URL(s): | https://gsrpdf.lib.msu.edu/?file=/1930s/1932/3212228.pdf
Last checked: 01/25/2017
Requires: PDF Reader |
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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: | Treatment of putting greens on alkaline soil infested with crabgrass and other weeds; use of sulphate of aluminum and gypsum |
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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. 12, No. 6, December 1932, p. 229. |
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| Publishing Information: | Washington, DC: USGA Green Section |
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| # of Pages: | 1 |
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| Question: | "A test of the soil of our putting greens shows that it is neutral in reaction. The greens are full of clover and have much crabgrass, and the finer grasses of which we have sowed seed from time to time do not thrive on account of this lack of acid soil. What would you suggest as a safe and reasonably quick method of making the soil slightly acid? We are informed that sulphate of aluminum or acid phosphate will effect such a change more quickly than sulphate of ammonia. It has also been suggested that the use of gypsum in place of lime will keep the soil friable without making it alkaline." |
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| Source of Question: | Pennsylvania |
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| Answer/Response: | "Our advice is that you use nothing but sulphate of ammonia for making your soil slightly acid. Sulphate of aluminum, while it makes soils acid and is suitable to use with some plants, is harmful to grass. Acid phsophate does not materially affect the acidity of the soil. The name of this fertilizer is often misinterpreted to mean that it has an acid reaction on soil, and to avoid such wrong impressions the trade has adopted the name superphosphate to replace the name acid phosphate. There is practically no evidence that gypsum will be of much value in soil for bent grasses. Good bent grass can be grown on a soil slightly alkaline if it is fertilized frequently. Frequent applications of sulphate of ammonia will greatly retard the growth of clover even though the soil be slightly alkaline. In controlling crabgrass it is suggested that you weed it all out by hand before it has a chance to seed on your greens. Crabgrass seeds freely, and unless the plants are removed before they are permitted to produce seed they will sow the green for another crop of crabgrass the following year. You should also see that your topdressing material is kept free from crabgrass seed. Frequently compost piles are allowed to become covered with crabgrass, which goes to seed and thus contaminates the topdressing material." |
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| Keywords: | TIC Keywords: Alkaline soils; Aluminum sulfate; Ammonium sulfate; Control methods; Digitaria; Golf green maintenance; Gypsum; Recommendations; Soil improvement; Soil pH; Superphosphates; Trifolium repens
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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. 1932. Treatment of putting greens on alkaline soil infested with crabgrass and other weeds; use of sulphate of aluminum and gypsum. Bull. U.S. Golf Assoc. Green Sec. 12(6):p. 229. |
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| Web URL(s):
https://gsrpdf.lib.msu.edu/?file=/1930s/1932/3212228.pdf
Last checked: 01/25/2017
Requires: PDF Reader |
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MSU catalog number: SB 433.15 .B85 |
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