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| Publication Type:
| Report |
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| Author(s): | Skirde, W. |
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| Author Affiliation: | Universität Gießen, German Federal Republic |
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| Title: | Effects of various slow-release nitrogen fertilizers used for high basal dressings in a root zone |
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| Source: | Zeitschrift für Vegetationstechnik. Vol. 7, No. 1, 1984, p. 5-13. |
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| Publishing Information: | Hannover, W. Germany: Patzer Verlag GmbH and Co. KG, Alter Flughafen |
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| Keywords: | TIC Keywords: Fertilizers; Nitrogen; Lolium perenne; Poa pratensis; Methylene urea; Organic nitrogen compounds; Slow-release fertilizers
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| Abstract/Contents: | Five slow-release fertilizers (Osmocote 16:10:13 [N:P:K], Eurogreen, Floranid, Nitrozol, and the natural organic product Oscornaflor, with supplementary PK added to the last 4 to bring up their N:P:K ratios to that of Osmocote) were incorporated as basal dressings into a root zone overlying topsoil in one trial and in lysimeters in another trial at rates equivalent to 72 g/m2 N, for comparison with a control treatment receiving a basal dressing of 30 g/m2 N (Nitrophoska 15:9:15) and 6 subsequent dressings to bring the total amount of N to the same level. The seed mixture was: Lolium perenne (Loretta, 20%; Hunter, 20%) and Poa pratensis (Enaldo 30%; Parade, 30%). Although at the initial stage of sward formation all the slow-release fertilizers were satisfactory, there was insufficient subsequent root zone nutrition from the various nitrogenous compounds such as isobutylidene diurea, methylene urea and urea formaldehyde (UF), or from the natural organic N sources. The effectiveness of the fertilizers in the root zone depended much more on the fast-acting N fraction, but this was readily leached, whereas with the slow-release forms of N, especially UF in Nitrozol, more N was retained in the rootzone. Overall, Osmocote produced the best quality turf. |
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| Language: | Unknown |
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| References: | Unknown |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Skirde, W. 1984. Effects of various slow-release nitrogen fertilizers used for high basal dressings in a root zone. (In Unknown) Zeitschrift für Vegetationstechnik. 7(1):p. 5-13. |
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