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INDONESIA
Jurnal Agro Estate
Published by Institut Teknologi Sawit Indonesia
ISSN : 25800957     EISSN : 26564815     DOI : https://doi.org/10.47199/jae.v7i1
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agro Estate adalah Jurnal Ilmiah Budidaya Perkebunan yang menyajikan hasil penelitian dan telaah ilmiah dari Dosen, Peneliti, Praktisi, Mahasisa dalam bidang perkebunan. Topik utama yang diterbitkan mencakup: 1. Aspek Agronomi 2. Tanah dan Konservasi 3. Perlindungan Tanaman 4. Manajemen Tenaga Kerja (SDM) 5. Manajemen Keuangan 6. Aspek Kelestarian
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 3 Documents
 1 
Search results for , issue "Vol 3 No 2 (2019): Desember 2019" : 3 Documents clear
EFEKTIFITAS PUPUK DALAM BEBERAPA UKURAN SACHET TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) Alia Rahma; Mardiana Wahyuni; Saroha Manurung
Agro Estate Vol 3 No 2 (2019): Desember 2019
Publisher : Institut Teknologi Sawit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47199/jae.v3i2.62

Abstract

The productivity of oil palm plants is influenced by genetic factor planting materials, soil, climate, cultivation and plant maintenance. Nursery is the first step to prepare the prime plant material. In the implementation of the nursery, fertilization is one important maintenance factor and should be done with reference to 4T (Exactly Types, Dosage, Time and Method). Loss of fertilizer is an important thing to be controlled. This research is a conservation action by packing fertilizer in sachet bag and conservation treatment. The research was conducted in January 2019 – July 2019 at STIPAP. The study used a non factorial randomized block design with S one sowing system, S two, S three, and S four sachet systems of different sizes using conservation. The best treatment is the application of gauze sachet system (S four = 638 mesh) with conservation increasing the growth of seedling height (91,36 cm), stem diameter (50,80 mm), increasing chlorophyll (55,62 cci), increasing root wet weight 99,73 (44%) and canopy dry weight 55,10 (44%).
PENGGUNAAN SENYAWA OSMOLIT DAN ALKALIN PADA PENYADAPAN TANAMAN KARET (Hevea brasiliensis) Mochlisin Andriyanto; Miftahul Huda Fendiyanto
Agro Estate Vol 3 No 2 (2019): Desember 2019
Publisher : Institut Teknologi Sawit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47199/jae.v3i2.66

Abstract

Stimulants are one of the common ways to increase yield in rubber plants. Recent, the stimulant that is widely used in rubber tapping is ethephon. Ethephon material can prolong the flow of latex so that yield increases. The combination of osmolyte and alkaline compounds is expected to be an alternative stimulant. Therefore, this study aimed to examine the use of osmolytes and alkaline in rubber plants. This research was conducted at the Experimental Design of the Sungei Putih Estate Research, Deli Serdang, North Sumatra in May-September 2016 with PB 260 clones planting year 2010 with a tapping system S/2 D3 Ga1.0 6 / y (m) in panel B0-2. The experimental design used was a Randomized Complete Block Design (RCBD) with 28 combinations of treatments. The observation parameters in this study were yield (g/p/s), girth (cm) before treatment application and yield (g/p/s) and yield (kg/ha/year) after treatment application. The observations showed that the addition of stimulants with osmolyte and alkaline compounds had a significant effect yield on rubber (g/p/s) in the first tapping slices. The 5% osmolyte and 10% alkaline compounds have yield rubber which is comparable to the application of stimulants made from ethephon in the first tapping slices. Application of 5% osmolyte and 10% alkaline compounds can be used as an alternative stimulant in rubber plants.
PENGARUH VARIASI KERAPATAN SPORA Beauveria bassiana DAN KONSENTRASI LCPKS TERHADAP MORTALITAS LARVA Oryctes rhinoceros Nurari Yani; Muhammad Arif Fadhillah; Julaili Irni
Agro Estate Vol 3 No 2 (2019): Desember 2019
Publisher : Institut Teknologi Sawit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47199/jae.v3i2.67

Abstract

Oryctes rhinoceros beetle is one of the pests that attacksimmature oil palm plants.This pest attacks oil palm plants in larvae or imago phase. This pest is usually damaging the respiratory roots, trunk bark, dry petiole,or periphery crown of oil palm leaves which can interferes the leaf growth and finally reduce the production even collapse the tree. Chemically pest control have the positive impact with faster pest death beside the negative impacts such as resistance, resurgence, disturbing human health and also environmental and ecosystem pollution. Biological control is one alternative pest control that is safe for the environment and can reduce chemical residues in agricultural products and environment. This study was conducted in Medan Denai district on July – Agustus 2019. This study aimed to determine the effect of the use of Beauveria bassiana and palm oil mill effluent to control Oryctes rhinoceros larvae. The method used in this study is a two factorial randomized block design (RBD), with 2 replications. The results of this study showed that the best density of Beauveria bassiana spores in controlling Oryctes rhinoceros larvae was 109 spores / ml and 50ml LCPKS (I2Q2) with death time of 40 hours, daily mortality 60%, total mortality 100%

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