i did a soil test and found my garden has very low nitrogen , it states that i need to add ammonium nitrate . but all the others tested very high how do i add only one thing ? all the furtilizers i have seen are 5-10-5, 10-5-5 etc. | Hewitts Garden Centers
You are here: Home FAQ i did a soil test and found my garden has very low nitrogen , it states that i need to add ammonium nitrate . but all the others tested very high how do i add only one thing ? all the furtilizers i have seen are 5-10-5, 10-5-5 etc.