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Index J
| John Innes Composts: (JI) | A series of standardised composts referred to as JI-1, JI-2 and JI-3. All consist of 7 parts sterilised Loam, 3 parts peat (or peat substitutes) and 2 parts sand. | |
| Juvenility: | The state of growth prior to which a plant is able to produce flowers in response to floral stimulating conditions. |
Last updated
10 March, 2002
© copyright 1999, P. A. Owen