Martin O\’Sullivan asked 14 years ago
what organic fertilizer can you use to(a) increase potassium levels(b) increase phosphorus levels(c) increase nitrogen levelsApart from using farmyard manure of course!
1 Answers
Gerry Daly Staff answered 6 years ago
Organic fertilizers generally have varied amounts of each of these nutrients. Wood ash contributes some potash. Bone meal has phosphorus. Chicken manure is high in nitrogen.
