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The limestone mining process causes the former limestone quarry land has low soil fertility characteristics. It is necessary to rehabilitate ex-limestone mine land through revegetation.  Syzygium polyanthum  is a potential tree species for revegetation. This study aimed to analyze the effect of goat manure and NPK addition on the ex-limestone mining soil toward the growth of  S. polyanthum  seedlings and to found the optimal dosage of goat manure and NPK addition. This study used a factorial complete randomized design consisting of two factors, namely goat manure (doses of 0 g, 50 g, 100 g, and 150 g) and NPK (doses of 0 g, 5 g, 10 g, and 15 g). The application of goat manure and NPK on the ex-limestone mining significantly affected the growth of height, diameter, total wet weight, and total dry weight of  S. polyanthum  seedlings, except the root shoot ratio. The best treatment for the addition of goat manure and NPK toward the growth of  S. polyanthum  seedlings on the ex-limestone mining was 150 g goat manure and 5 g NPK.

Study of Syzygium polyanthum (Wight) Walp. Growth on the Ex-limestone Mining Soil with Goat Manure and NPK Fertilizer Increment