Abstract
Palm oil (Elaeis guineensis Jacq.) is a plantation crop which is quite important in Indonesia because it accounts for foreign exchange and create employment that is high enough. Palm oil empty fruit bunches (EFB) is estimated at 20% of fresh fruit bunches ( FFB ) and coco in (cocopeat) are very much in Riau as raw material for fertilizer / compost. Subsoil ultisol a bottom layer of soil with sufficient depth within therefore very potential as a medium of palm oil nursery but has a low fertility signified by the nature of physics, chemistry and biology poor. Organic matter such as EFB compost and cocopeat can improve physical, chemical and biological subsoil ultisol. The research aimed to study the effect of EFB compost , cocopeat and a mixture of both the subsoil ultisol medium on the growth of palm oil seedlings in pre nursery. The study was conducted at the experimental station of Agriculture Faculty of the University of Riau from June to August , 2015. Research conducted an experiment using a completely randomized design (CRD) consisting of 6 treatments (K0 : without treatment , K1 : 100 g cocopeat , K2 : 100 g compost EFB , K3 : 50 g compost EFB + 50 g cocopeat , K4 : 75 g of compost EFB + 25 g cocopeat and K5 : 25 g compost cocopeat EFB + 75 g per plant) each repeated 4 times. The results showed treament EFB compost 50 g and cocopeat 50 g produce in the growth palm oil seedlings better than the other treatments on medium subsoil ultisol in pre nursery.
Highlights
Kelapa sawit (Elaeis guineensis Jacq.) merupakan tanaman perkebunan yang cukup penting di Indonesia karena menyumbang devisa dan menyerap tenaga kerja yang tinggi
Palm oil (Elaeis guineensis Jacq.) is a plantation crop which is quite important in Indonesia because it accounts for foreign exchange and create employment that is high enough
Subsoil ultisol a bottom layer of soil with sufficient depth within very potential as a medium of palm oil nursery but has a low fertility signified by the nature of physics, chemistry and biology poor
Summary
Riau pada bulan Juni sampai Agustus 2015. Bahan yang digunakan dalam penelitian adalah kecambah kelapa sawit (Elaeis guineensis Jacq) Varietas Topas 3, kompos. TKKS, cocopeat, sub soil ultisol, air, insektisida dan fungisida. Alat yang digunakan adalah cangkul, polybag ukuran 25x25, meteran, jangka sorong, timbangan duduk dan analitik. Penelitian dilakukan secara eksperimen menggunakan rancangan acak lengkap (RAL) yang terdiri dari 6 perlakuan (K0: tanpa kompos TKKS dan cocopeat, K1: 100 g cocopeat, K2: 100 g kompos TKKS, K3: 50 g kompos TKKS + 50 g cocopeat, K4: 75 g kompos TKKS + 25 g cocopeat dan K5: 25 g kompos TKKS + 75 g cocopeat per tanaman). Masing-masing perlakuan diulang 4 kali, Parameter yang diamati yaitu : tinggi bibit, diameter bonggol, jumlah pelepah daun dan luas daun
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