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| Publication Type:
| Proceedings |
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| Author(s): | Yang, Ming-Huang;
Gibbs, Richard;
Wrigley, Martin |
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| Author Affiliation: | Yang and Wrigley: Institute of Natural Resources, College of Sciences, Massey University; and Gibbs: Scientific Officer, NZ Sports Turf Institute, Palmerston North |
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| Title: | Laboratory investigation of New Zealand produced zeolite as an inorganic amendment for sand-based root zones |
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| Section: | Environmental issues
Other records with the "Environmental issues" Section
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| Meeting Info.: | Rotorua Convention Centre: 28-31 July, 1998 |
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| Source: | Proceedings of the 6th New ZealandSports Turf Convention. Vol. 6, July 1998, p. 27-31. |
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| Publishing Information: | Palmerston North, NZ: New Zealand Sports Turf Institute |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Zeolites; Soil amendments; Root zone; Sandy soils; Hydraulic conductivity; Cation exchange capacity; Soil water retention; Soil moisture
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| Abstract/Contents: | "A laboratory study was carried out to evaluate the effect of zeolite on two root zone sands commonly used in New Zealbad (fine dune sand and medium-coarse USGA-type sand). Measurements were made of saturated hydraulic conductivity, water and air retention and cation exchange capacity (CEC). The results showed that zeolite could have both a beneficial and a non-beneficial effect on soil physical properties of sand root zones depending on the quality and grade of zeolite, the rate of addition of zeolite and the grade of root zone sand used. In particular the results showed that zeolite had a beneficial effect of medium-coarse sands, but that its use could not be justified in fine dune sand root zones. There were large differences in CEC and stability between the two zeolites evaluated in this study. It is recommended that zeolites with a high CEC are used (eg. >90-100 meq/100g) which are also physically stable in water and that the material is thoroughly tested before use. It is suggested that zeolite has the potential to be an acceptable alternative to traditional organic amendments like peatmoss, but at this stage it is recommended that no more that 6% by weight is used as an amendment in medium-coarse sand root zones." |
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| Language: | English |
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| References: | 12 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yang, M.-H., R. Gibbs, and M. Wrigley. 1998. Laboratory investigation of New Zealand produced zeolite as an inorganic amendment for sand-based root zones. p. 27-31. In Proceedings of the 6th New ZealandSports Turf Convention. Rotorua Convention Centre: 28-31 July, 1998. Palmerston North, NZ: New Zealand Sports Turf Institute. |
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