COMPOST NUTRIENTS

The nutrient content of compost is variable according to the methods of making/ materials used/amount of leaching, etc. Differing amounts given in books: N 1.5-2.5 P2O5 0.2-0.5 K2O 1–2%; N 1.5 P2O5 2 K2O 0.5%; Worm N 1.5-2.2 P2O5 0.8–02.2 K2O 1–1.5%. All levels are low compared with fertilisers’ but the volumes applied make compost a good way of applying nutrients to the soil, particularly when you take into account the fact that compost contains a full range of micro and trace elements.

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