Faculty of Agriculture

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Browsing Faculty of Agriculture by Author "Al Ikhsan Amri"

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    Granting Of Empty oil palm bunches of Compost Second Rotation and Grow Natural Subtastances towards growth regulator Seed Oil Palm (Elaeis Guinensis Jacq) In Medium Sub Soil Ultisol
    (2014-02-18) Hadi, kusuma; Nelvia; Al Ikhsan Amri
    This research aim to study the effects application ofEmpty oil palm bunches of Compost second rotation and naturalSubtastances towards growth regulator in medium Sub Soil Ultisol on growth palm oil (Elaeis Guineensis Jacq). This research was conducted ingreen houseof agricultural faculty, Universitas Riau,Pekanbaru.From december 2012 - april 2013. Sub soil ultisol was taken from kulim region Pekanbaru City. Soil chemical properties of Ultisol material was analized at soil laboratory of soil research Bogor.This research used split plot design as the main plot is natural Subtastances towards growth regulator and subplot is Empty oil palm bunches of compost consits of 3 replication main plot and 4 replication subplot. Natural Subtastances towards growth regulator : Z 0 =without Natural Subtastances towards growth regulator, Z 1 = Natural Subtastances towards growth regulator by excreseense of banana, Z 2 = Natural Subtastances towards growth regulator by bamboo shoots, main while subplot, empty oil palm bunches of Compost: To = without Empty oil palm bunches of Compost T 1 = 20 tons Empty oil palm bunches of Compost / ha T2 = 30 tons Empty oil palm bunches of Compost / ha,T3 = 40 tons Empty oil palm bunches of Compost / ha. The result this reseach effect application of Empty oil palm bunches of Compost20 tons / ha, without or withnaturalSubtastances towards growth regulator can increase aplant height, number of leavesand diameter hump.