RESPON PERTUMBUHAN BIBIT KAKAO (Theobroma cacao L.) PADA MEDIA GAMBUT TERHADAP PEMBERIAN ABU JANJANG KOSONG KELAPA SAWIT DAN PUPUK N
Abstract: This research aims
to determine the interaction of oil palm bunch ashand N fertilizer and to get
the best dose to the cocoa seedlings growth on peat media. This research was
conducted from Desember 2016 to March 2017. This research is a 4 x 4 factorial
experiment arranged in a completely randomized design (CRD) with three
replications. The first factor is oil palm bunch ash with four levels namely 0,
2,5, 5 and 7,5 tons/ha. The second factor was the N fertilizer with four levels
namely 0, 0,12, 0,16 and 0,20 tons/ha. Parameters observed were plant height,
number of leaves,girth trunk, root volume, shoot roots ratio and the dry
weight. The results showed that the interaction of oil palm bunch ash and N
fertilizeronnumber of leaves,girth trunk, root volume, and the dry weight was
significantlyaffect, the best treatment can be obtained by providing a dose of
oil palm bunch ash7,5 tons/ha and N fertilizer0,20 tons/ha. Oil palm bunch
ashgives the best treatment results with dose of 7,5 tons/ha significantly
affect on plant height, number of leaves, girth trunk, root volume, shootroots
ratioand dry weight. Provision of N fertilizer to the cocoa seedlings
significantly affect on plant height, number of leaves, girth trunk, root
volume, shootroots ratioand dry weight and providing ofN fertilizer0,20 tons/ha
is best dose.
Penulis: Mutia Fadhila, Wawan,
Isna Rahma Dini
Kode Jurnal: jppertaniandd170187
