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| Web URL(s): | https://gsrpdf.lib.msu.edu/?file=/1920s/1928/280117.pdf
Last checked: 01/26/2017
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: | Comparing available nitrogen in manure, mushroom soil and other organic fertilizers |
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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. 8, No. 1, January 1928, p. 17-18. |
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| Publishing Information: | Washington, DC: USGA Green Section |
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| # of Pages: | 2 |
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| Question: | "I have been trying to check up through different tables the comparative amounts of available nitrogen in manure, mushroom soil and organic fertilizers. Of course, there is no definite standard of the mechanical condition of manure and mushroom soil on which to base the tables so there must naturally be wide differences in the estimates. Until lately I have always thought that for fairway fertilization there was more available nitrogen in mushroom soil than anything else in the way of organic fertilizers at an equal price. We get mushroom soil cheaply, about $3 a ton delivered. Since learning the price of Milorganite and the amount of available nitrogen which it contains, I am wondering whether it is not a better fairway fertilizer than the average grade of mushroom soil which can be obtained. Our soil contains too much clay as it is and most of the inert matter in mushroom soil is clay. Of course, good manure is a splendid fertilizer, but here it is hard to get, expensive, and makes the fairways poor to play on for a considerable period." |
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| Source of Question: | Pennsylvania |
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| Answer/Response: | "The composition of stable manure varies widely. On the average a ton contains from 8 to 10 pounds of nitrogen, 8 to 10 pounds of phosphoric acid, and 6 to 8 pounds of potash. Manure is said to lose very little of its fertilizing value as a result of having been used in mushroom beds, and unless mixed with considerable soil should contain about the same amounts of the various plant food constituents as given above. One ton of Milorganite contains approximately 110 pounds of nitrogen, 50 pounds of phosphoric acid, and 10 pounds of potash. In other words, 1 ton of Milorganite contains about 11 times as much nitrogen as manure or mushroom soil, 5 times as much phosphoric acid, and about the same amount of potash. Based on these elements alone, 1 ton of of Milorganite would be worth about 10 times as much as manure. However, in addition to plant food the manure and mushroom soil supply humus, which is of considerable value in improving the physical character of the soil and in making conditions favorable for bacterial activity. Where the soil is in need of humus the benefits to be derived from the application should be taken into consideration in determining the comparative value of the material. Mushroom soil at $3 a ton is generally considered one of the cheapest fertilizers available. If you feel that you are adding too much clay to your soil through the use of mushroom soil this could be overcome by mixing sand with it." |
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| Keywords: | TIC Keywords: Comparisons; Fertilizer recommendations; Golf fairway maintenance; Manures; Nitrogen availability; Organic fertilizers; Spent mushroom substrates
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| Trade Names: | Milorganite |
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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. 1928. Comparing available nitrogen in manure, mushroom soil and other organic fertilizers. Bull. U.S. Golf Assoc. Green Sec. 8(1):p. 17-18. |
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| Web URL(s):
https://gsrpdf.lib.msu.edu/?file=/1920s/1928/280117.pdf
Last checked: 01/26/2017
Requires: PDF Reader |
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MSU catalog number: SB 433.15 .B85 |
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