1. Soil improvers and growing media. Guidelines for the safety of users, the environment and plants. (15th November 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (88 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Soil improvers and growing media. Determination of the aerobic biological activity. Oxygen uptake rate (OUR) Part 1, (23rd January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. BS EN 15238. Soil improvers and growing media. Determination of quantity for materials with particle size greater than 60 mm. (4th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. BS EN 12580. Soil improvers and growing media. Determination of a quantity. (4th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. BS EN 15761. Pre-shaped growing media. Determination of the dimensions measured and bulk density. (16th December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗