What is rock dust and can it help things grow? Keith Gray, chairman of the Rotorua branch of the Soil & Health Association during the 1980s (Organic NZ Jan/Feb 2016), favoured rock dust enormously. He touted it as a fertiliser, but rock dust lacks sufficient nitrogen, potassium and phosphorus to qualify as fertiliser. Its […]
https://i0.wp.com/theresasjoquist.com/wp-content/uploads/2016/08/RockDust-grownstrawberry1-Photo-Jenny-yates.jpg?fit=600%2C448&ssl=1 448 600 Theresa Sjoquist https://www.theresasjoquist.com/wp-content/uploads/2020/08/theresa_site_logo.png Theresa Sjoquist2016-08-21 20:25:442016-08-21 20:56:50Is Rock Dust the Answer?