High Brix plants

The 4Rs of Inorganic Fertiliser Application: Why You Can’t Cheat Biology

Justin PlattBlog, The 4Rs

In the October 2019 issue of Acres U.S.A, consultant Jon Frank explains the pitfalls of the ‘Four Rs’ developed by the fertiliser industry. Frank, the owner of International Ag Labs, based in Minnesota. He is a soil consultant with over 20 years’ experience, and the founder of High Brix Gardens. Like the team at Zylem, Jon is fascinated with the …