| Автор | Henning, A.C. |
| Автор | White, R.E. |
| Дата выпуска | 1974 |
| dc.description | AbstractEight sites representative of the full diversity of Colophospermum mopane woodland were chosen in Rhodesia, Botswana and South Africa. Mopane performance, as measured by S diameter at breast height times density, over six height classes, was highly correlated (69 per cent of the variation accounted for) with total N and NaHCO<sub>3</sub>‐extractable P in the surface soil (0–10 cm).Mopane seedlings grown in pots responded to increased N and P supply, though, not significantly, on two soils with over 20 per cent water at 0,33 bars matric suction. Fluctuations in the available water supply from 100 to 0 per cent had no effect on yield or evapotranspiration rate on these soils. On a third soil, with only seven per cent water at 0,33 bars suction, yield decreased significantly (P < 0,01) with increased N and decreasing available water supply. These effects were primarily due to increased soil osmotic suction. Mopane growth was reduced at osmotic suctions less than 3 bars. At higher suctions (6–8 bars) internal osmotic adjustment appeared to enable the plant to continue growing at a reduced rate.These results are discussed in terms of mopane's distribution, and its apparent competitive advantage when induced to grow in “'coppice” habit. |
| Формат | application.pdf |
| Издатель | Taylor & Francis Group |
| Копирайт | Copyright Taylor and Francis Group, LLC |
| Название | A study of the growth and distribution of colophospermum mopane (kirk ex benth.) Kirk Ex J. Leon: The interaction of nitrogen, phosphorus and soil moisture stress |
| Тип | research-article |
| DOI | 10.1080/00725560.1974.9648720 |
| Print ISSN | 0072-5560 |
| Журнал | Proceedings of the Annual Congresses of the Grassland Society of Southern Africa |
| Том | 9 |
| Первая страница | 53 |
| Последняя страница | 60 |
| Аффилиация | Henning, A.C.; Department of Botany and Microbiology, University of the Witwatersrand |
| Аффилиация | White, R.E.; Department of Botany and Microbiology, University of the Witwatersrand |
| Выпуск | 1 |
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