The Fertometer is a soil tester that measures the level of nutrients in potted plants. It uses a light to indicate whether you should add fertilizer or not. ...

This soil tester measures if your lawn is well fertilized. Optimize fertilization of your lawn. Get the most out of your soil by fertilizing your lawn properly. ...

The Fritillaria Group of the Alpine Garden Society is a specialist group which aims to increase the knowledge of all species which make up the genus.