You are now on the AHDB Horticulture and Potatoes website.
Please click here to access the main AHDB website and other sectors.
Please click here to access the main AHDB website and other sectors.
It is much better to prevent nutrient deficiencies, like iron deficiencies in primula and petunia, rather than to treat them. It is best to use a best practice approach, like the one outlined on this page.