Citrus fertiliser – a New Zealand answer

Neil Ross’s advice is mostly spot on for citrus. However, treating yellowing of leaves with 500 g of MgSO4 7H20)(Epsom salts/Magnesium sulphate) seems excessive and he appears to totally miss the likelihood of nitrogen deficiency. I wrote this in response to a July NZ gardener article.

Curing yellowing of citrus leaves with 500 g […]