Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on April 25, 2011
These articles should help: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/raise-acid-level-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/lower-acid-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/nitrogen-plant-fertilizer.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm
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