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Pertumbuhan Dan Hasil Padi Gogo (Oryza Sativa L.) Pada Medium Podsolik (Ultisol) Dengan Pemberian Komposisi Zeolit Sekam Padi, Poc Mucuna Bracteata Dan Pupuk N, P
The average productivity of upland rice in Riau Province is still relatively low but it has the potential to be cultivate on marginal dry land like Ultisol by applying rice husk zeolite, Mucuna bracteata liquid organic fertilizer (LOF) and N, P fertilizer. This research aim to study the effect of each composition and obtaining the best composition on the growth and yield of upland rice on podzolic medium. The research was conducted experimentally using completely randomized design (CRD). There were 8 compositions tested with 3 repetitions on each composition, resulting in 24 experimental units. The results showed that the composition of 2 g zeolite rice husk + 400 ml Mucuna bracteata LOF + 0,31 g N + 0,25 g P2O5 per clump increased the number of productive saplings by 9 and 12 saplings compared to the composition of 1 g zeolite rice husk + 400 and 200 ml Mucuna bracteata LOF per clump, also increased the amount of grain panicle by 89% compared to the composition of 1 g zeolite rice husk + 400 ml Mucuna bracteata LOF + 0,31 g N + 0,25 g P2O5 per clump, and increased the milled dry grain by 75% compared to the composition of 1 g zeolite rice husk + 400 ml Mucuna bracteata LOF + 0,31 g N + 0,25 g P2O5 per clump, but compared to other compositions the increases was lower.
Keywords: Upland rice, rice husk zeolite, Mucuna bracteata LOF, N and P nfertilizer
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