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All Journal BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Pertanian Agros JURNAL AGROHITA Best Journal (Biology Education, Sains and Technology) IJOEP : International Journal of Ecophysiology Jurnal Agro Estate Bioscientist : Jurnal Ilmiah Biologi Jurnal Agro Estate Mathematical And Data Analytics

Aulia Juanda Djaingsastro

Institut Teknologi Sawit Indonesia

Author-ID : 5930773

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Public Health Social Sciences Other

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PENGARUH WAKTU SADAP DAN UMUR TANAMAN KARET (Havea brasiliensis Muell.Arg) KLON PB340 TERHADAP PRODUKSI LATEKS DI DIVISI I KEBUN TANAH BESIH PT. SOCFINDO Saroha Manurung; Aulia Juanda; Diki Sapti Purnama
Jurnal Agro Estate Vol 2 No 1 (2018): Juni 2018
Publisher : Institut Teknologi Sawit Indonesia

The research was conducted in July to August 2017 at Tanah Besih Estate PT. Socfindo. The method used Factorial Design with the treatment age of plant and tapping time. The results of this research show that the treatment eﬀected to latex yield, latex volume, latex drops frequency, lump and scrub weight which are contained on W1 and tapping time was at 04.00 a.m.. Age of plant treatment eﬀected to the latex yield, latex volume, latex drop frequency, lump weight and scrub weight, which are contained on the U1 at the age of 13 years old plants. Interactions treatment between tapping time and age of plant had no eﬀect to the real production of Latex.

PENGARUH KETINGGIAN TEMPAT TERHADAP POPULASI SERANGGA PENYERBUK (Elaeidobius kamerunicus Faust) DI KEBUN ADOLINA DAN KEBUN BAH BIRUNG ULU PT. PERKEBUNAN NUSANTARA IV Nuraida Nuraida; Aulia Juanda; Fajar Nawawi
Jurnal Agro Estate Vol 1 No 2 (2017): Desember 2017
Publisher : Institut Teknologi Sawit Indonesia

This research aims to know the number of populations of e. kamerunicus in two different heights, to know the comparison population males and females of e. kamerunicus in every height. Based on the results of sampling populations of insect pollinators of e. kamerunicus Palm. Total population sample of e. kamerunicus on Garden Adolina i.e. 2680 tail and on the grounds of ﬂood Birung Ulu i.e. 4548 tail. The sample population average insect e. kamerunicus females i.e. 107 tail on the garden Adolina and 187 tail on the grounds of ﬂood Birung Ulu, and insect populations of e. kamerunicus males i.e. 27 tail on Garden Adolina and 40 tail on the grounds of ﬂood Birung Ulu. The higher the altitude of the place, the higher the average total precipitation per year, and the higher the population of e. kamerunicus

ESTIMASI KARBON TERSIMPAN TANAMAN KELAPA SAWIT (Elaeis guineensis Jacq) VARIETAS SOCFINDO PADA KELAS KESESUAIAN LAHAN S3 DI KEBUN AEK TOROP PTPN III Havier Situmorang; Aris Sukariawan; Aulia Juanda Djaingsastro; Mardiana Wahyuni
Jurnal Agro Estate Vol 3 No 2 (2019): Desember 2019
Publisher : Institut Teknologi Sawit Indonesia

The expansion of oil palm plantations has led to debate over the negative impacts on soil fertility, hydrology, biodiversity and global warming. Climate change occurs due to changes in the composition of the atmosphere, mainly due to an increase in the concentration of greenhouse gases (GHGs). The usefulness of photosynthesis using CO2 is important to note. The purpose of this study is to measure / estimate the stored carbon absorbed by the 13-year-old Socfindo palm oil plant in the land suitability class S3. The study was conducted in May to June 2019 at PT Aek Torop Kebun III. Using descriptive design with Destructive and Non-Destructive methods based on ICRAF. The parameters are Above Surface Biomass (BAP) and Substance Biomass (BTB). The results showed that the oil palm surface surface biomass (BAP) at the age of 13 years was 117,855 tons / ha. The results of observations of Undergrowth Biomass (BTB) are 0.392 Ton / ha, the potential carbon stored is 54.394 Ton C / Ha and carbon dioxide absorption is 199.625 Ton CO2 / Ha.

ANALISA JUMLAH KLOROFIL DAUN TERHADAP PRODUKSI BUAH KELAPA SAWIT (Elaeis guineensis Jacq.) PADA DATARAN TINGGI DI KEBUN BAH BIRUNG ULU PTPN IV SUMATERA UTARA Aulia Juanda Djs; Eka Bobby Febrianto; Binsar Mangatur Tua Sinambela
Jurnal Agro Estate Vol 4 No 1 (2020): Juni 2020
Publisher : Institut Teknologi Sawit Indonesia

The height of one of the external factors that affect production. Chlorophyll is one of the factors that can affect palm oil production. There are several other factors that affect the productivity of oil palm plants, namely climate, territorial shape, soil conditions, planting material, and cultivation techniques. Altitude (altitude) is one of the outside factors that affect production. Differences in altitude cause differences in productivity so that production data need to be analyzed and compared. Height differences cause differences in productivity so production data need to be analyzed and compared. This research was conducted in the Bah Birung Ulu PTPN IV in April-June 2018. This study aims to determine the effect of altitude in the highlands area the effect of the amount of leaf chlorophyll on the production of oil palm fruit (Elaeis guineensis Jacq.). The method used is descriptive analytic method by processing secondary data (LM 76) and take leaf samples and measure chlorophyll content using chlorophyll meters. The results showed that in the highlands (Kebuna Bah Birung Ulu) had the highest production in 2006, amounting to 22,976 Ton / ha / year. The highest amount of chlorophyll of palm oil was found in the 2005 planting year, which was 80.5 CCI. The largest production of oil palm is in the 2006 planting year of 22,976 Ton / ha / year with 3,148 mm / year of rainfall.

PENGARUH APLIKASI LIMBAH (Decanter solid) PABRIK KELAPA SAWIT TERHADAP PERTUMBUHAN VEGETATIF SERTA KADAR KLOROFIL DAUN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) DI PEMBIBITAN UTAMA Saroha Manurung; Aulia Juanda DJS
Jurnal Agro Estate Vol 5 No 2 (2021): Desember 2021
Publisher : Institut Teknologi Sawit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47199/jae.v5i2.229

Oil palm is a plantation crop that has an important role in Indonesia today. This plant is a plant that produces vegetable oil and its derivative products. This study aims to determine the effect of solid decanter waste application on the vegetative growth of oil palm seedlings (Elaeis guineensis Jacq). This research was conducted in the research area of the Medan College of Agricultural Agribusiness (STIPAP) from January - July 2020. This study used a non factorial randomized block design (RBD) consisting of S0: Without decanter solid treatment, S1: 0,5 kg decanter solid, S2: 1,0 kg decanter solid, and S3: 1,5 kg decanter solid. Parameters observed were plant height, number of leaves, stem girth, leaf chlorophyll content, shoot wet and dry weight, root wet and dry weight. The data obtained were analyzed statistically with analysis of variance (ANOVA) with further test of LSD 5%. The treatment of decanter solid application has a significant effect based on statistical tests on the vegetative growth of oil palm seedlings, namely on the height of the seeds and stem circumference with the value of F-count seed height > F-Table 0,5% at 8 MSA and F-Count on stem circumference > F- Table 0,1% at 16 MSA and 20 MSA, while the number of leaves, shoot wet and dry weight, root wet and dry weight and leaf chlorophyll content showed no significant effect, the best treatment was S3 with a dose of 1,5 kg/polybag.

Co-Authors Angelus Nababan Arfianti, Dina Aris Sukariawan Ayanda Oloan Simbolon Binsar Mangatur Tua Sinambela Diki Sapti Purnama Eka Bobby Febrianto, Eka Bobby etti sartina siregar Fajar Nawawi Febriana Roosmawati Hardiansyah Sinaga Havier Situmorang Ingrid Ovie Yosephine Kanda Haswen Khairuna Utami Maisarah Manurung, Saroha Mardiana Wahyuni Monang Antonius Purba Muhammad Zaini Nuraida Nuraida Rahmad Dian Ranto Mangasi Sitorus Rudyanto Marpaung Rusdi Machrizal Sakira Regina Putri Saragih, Sri Pauja Siburian, Samura Natanael Suci Wandani Tarigan, Rani Yasser Subroto Ginting

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