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Perkebunan dan Lahan Tropika
Published by Universitas Tanjungpura
ISSN : 20886381     EISSN : 26544180     DOI : http://dx.doi.org/10.26418/plt.v11i1.xxxxx
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Perkebunan dan Lahan Tropika bertujuan menjadi sarana penyampai informasi hasil penelitian, analisis kebijakan atau pemikiran-pemikiran baru di bidang perkebunan dan pengelolaan sumberdaya lahan tropika. Perkebunan dan Lahan Tropika mengundang peneliti dan penulis yang menggeluti topik-topik berikut: - Teknis budidaya tanaman perkebunan - Pengendalian OPT perkebunan - Inovasi teknologi perkebunan - Bioteknologi dan pemuliaan tanaman perkebunan - Penanganan hasil perkebunan - Penanganan dan pemanfaatan limbah perkebunan - Agribisnis/sosial ekonomi perkebunan - Pengelolaan sumber daya lahan tropika - Konservasi tanah dan air serta bahan dan agens hayati - Pengelolaan lingkungan perkebunan - Analisis kebijakan perkebunan
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
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Search results for , issue "Vol 12, No 1 (2022)" : 6 Documents clear
KEPUASAN PETANI PLASMA TERHADAP PELAYANAN KEMITRAAN DI PTPN XIII PIR V NGABANG Hendra Hariadi Lumban Batu; Marisi Aritonang; Josua Parulian Hutajulu
Perkebunan dan Lahan Tropika Vol 12, No 1 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i1.60020

Abstract

Palm oil is one of the commodities that is seeded in Indonesia. It can be seen from the vast oil palm plantations has increased and the production of crude palm oil (CPO) is also increasing, to meet the demand for food and non-food industries. At home, in a span of 14 years from 1990 to 2003 the consumption of palm oil has increased every year, in 1990 the new consumption of 1.2 million tons, in 2003 increased to 3.2 million. The purpose of this study was to determine the Plasma Farmers Satisfaction of Service Partnership in PTPN XIII PIR V Ngabang. The method used daam this study is a survey method of research that is conducted to obtain the factors of the symptoms and seek information from a group or area. The questionnaire uses primary data with respondents numbering 50 people, the variables studied were Smallholders Satisfaction, Reliability (reliability), Tangible (Embodiment / physical evidence), Responsiveness (Seize Power), Assurance (Assurance), Empathy (Empathy). The results of the study are presented in tabular form and are described in the narrative, the result obtained is of 50 respondents regarding the services and materials in the guidance states Unsatisfied 27 respondents (54%), the quality of the means of production is satisfied by 32 respondents (64%), the service factory in TBS less able to accommodate as many as 25 respondents (50%), the core enterprise assistance in tackling pests and diseases of oil palm plantations is satisfied by 25 respondents (50%). Regarding the company's core discipline in obeying the agreement is satisfied by 28 respondents (56%), the core of the company's attitude towards the welfare of farmers not satisfied by 23 respondents (43.40%). Suggestions in this study to provide satisfaction to farmers is expected to the company must provide it in accordance with the wishes of farmers such as providing roads for village farmers routinely provide fertilizer to farmers to increase the production of oil palm fruits.
PENGARUH KOMPOS BIOMASSA GULMA DAUN LEBAR TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SAWI KERITING PADA TANAH ALUVIAL Elvidius Elvidius; Setia Budi; Dwi Zulfita
Perkebunan dan Lahan Tropika Vol 12, No 1 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i1.60022

Abstract

This research aimed to know the influence of broad leaf weeds biomassa compos and the exact dose toward the growth and the result of curly cabbage on aluvial land. This research was conducted in the farm of agriculture faculty in Tanjungpura university from 6 july 2013 until 14 august 2013. This research used field experiment method with randomized system, consists of 6 treatments and 4 tests, each test consists of 3 sample of plants. The treatments are: k0 = without give compos, k1 = give compos about 38,43 g /polybag same with 4720 kg/ha, k2 = give compos about 74,43 g /polybag same with    8720 kg/ha, k3 = give compos about 110,43 g /polybag same with 12720 kg/ha, k4 = give compos about 146,43 g /polybag same with 16720 kg/ha, k5 = give compos about 182,43 g /polybag same with 20720 kg/ha. The variable that has examined is the volume of root (cm3), amount of leaf clorofil (spad unit), wide of leaf (cm2), weight of dry plant s(g), weight of fresh plants(g), weight of leaf (sheet). The result of this research shows that the given of biomassa weeds broad leaves compos can increase the growth of mustrad greens on aluvial land. Biomassa weeds broad leaves compos is effective for the growht and result of mustrad greens on aluvial land is with dose 38,43 g/polybag. 
STUDI KARAKTERISTIK SUB DAERAH ALIRAN SUNGAI DEDAI PADA DAERAH ALIRAN SUNGAI MELAWI KABUPATEN SINTANG Alpius Alpius; Riduansyah Riduansyah; Asadi Asadi
Perkebunan dan Lahan Tropika Vol 12, No 1 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i1.60023

Abstract

Dedai Sub watershed condition at this time has many changes of form and fuction caused by the opening of land activities, illegal gold mining and household garbage. This research aims to study the characteristic and profile of each characteristic Dedai Sub Watershed. In this study, only limited to the characteristic of the Sub Watershed, where 1 outlet observations consist of 2-point sampling. Dedai Sub Watershed has an area about ± 14.454,70 ha located in the subdistrict of West Kalimantan Regency Sintang Dedai. This study consists of two phases: first, field research of Dedai Sub Watershed conducted for 6 days consecutive on 1 outlet observations with a 2-point sampling. Point sampling performed on downstream and upstream Dedai Sub Watershed. Then samples of water counducted analysis of Laboratory Quality and Total Suspended Solid (TSS) health farm Faculty of Agriculture University of Tanjungpura Pontianak. Result of the study showed that the form and pattern of Sub DAS Dedai is a form of bird feathers and dendritic pattern, while the transverse parabolic profile. The order consists of 5 classes, with the value of IKD is 0,0087 km/km2 and belongs to the category of low discharge values of the flow upstreaman average of 0,6787 m3/sec downstream and 4,1976 m3/sec, the correlation coefficient discharge curve (r) of upstream 0,995 and downsream 0,985, with a coefficient of determination (R2) upstream 0,990 and downstream 0,969. Water quality on Sub DAS Dedai has an average pH of upstream 6,78 and downstream 6,46 is still good and the average temperature of the upstream 29,580C and downstream 29,70C still under normal circumstances in nature, whereas the average brightness level of the upstream 1,05 m and downstream 1,13 m. Total Suspended Solid (TSS) values averaged of upstream 5,2 mg/liter and downstream 8,7 mg/liter, while the average value of the upstream sediment discharge of 0,3135 ton/day and downstream 3,2611 ton/day and the correlation coefficient arch sediment (r) of upstream 0,933 and downsream 0,910, with a coefficient of determination  (R2) upstream 0,870 and downstream 0,827.. 
EKSPLORASI CENDAWAN ENTOMOPATOGEN PADA LAHAN GAMBUT Astrid Sebayang; Tris Haris Ramadhan; Zakiatulyaqin Zakiatulyaqin
Perkebunan dan Lahan Tropika Vol 12, No 1 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i1.60017

Abstract

The use of entomopathogenic fungus as an alternative pest control is an attempt to reduce the use of synthetic pesticides that have caused many environmental problems. The aim of this reasearch is  to know kinds of entomopathogenic fungus that endemic of Kalimantan Barat peat soil. This research used descriptive methods which as exploration of peat soil fungus on several locations in West Kalimantan are Rasau Jaya, Siantan and Tanjungpura University forest. Entomopathogenic fungus was obtained by trapping which apply on Tenebrio molitor larvae and isolation of peat soil. Pathogenecity of entomopathogenic fungus has been tested on T. molitor larvae. Three fungus were explored, namely Trichoderma harzianum, Aspergillus niger, and x fungi which have not been identified, have low power to kill the larvae of T.molitor on several concentration level of those suspension fungus.
STUDI ERODIBILITAS TANAH PADA LAHAN BEKAS PENAMBANGAN TANAH (GALIAN C) DI KELURAHAN SEDAU KECAMATAN SINGKAWANG SELATAN KOTA SINGKAWANG Fahrul Rozi; Saifudin Saifudin; Junaidi Junaidi
Perkebunan dan Lahan Tropika Vol 12, No 1 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i1.60018

Abstract

This study aimed to assess and compare the soil erodibility (K) in the former mining land (quarry C) with different degree of slope on the hills in the Village area Sedau. Analysis of the data used deskriktif analysis. Ie using paired T test, soil sampling was carried out with a free grid method in soil samples taken in the form of intact or undisturbed and disturbed soil samples. Observation point includes 3 levels of the slope of the former mining land (quarry C), the slope of the land 250, 300 land slope, and the slope of the land 450. where in each class a different slope samples taken 5 points of observation with a depth of 0-10 cm layer. The measurement includes the observation variables, (a) texture, (b) permeability, (c) organic materials, (d) size of the soil structure. The average value of soil erodibility obtained classified into low soil erodibility class, with range values ranged erodibility (0.11 to 0.20) which erodibility values contained in the slope class 250 value 0,18 and in the slope class 300 have the value of 0.15 , while the slope for class 450 with a value of 0.15.
PENGARUH EKSTRAK FENOLIK ANTIFOTOOKSIDAN DAUN KESUM (Polygonum minus) TERHADAP STABILITAS EMULSI PADA MINYAK RBDPO (REFINED BLEACHED DEODORIZED PALM OIL ) DALAM AIR Mario Silalahi; Yohana Sutiknyawati Kusumadewi; Henny Sulistyowati
Perkebunan dan Lahan Tropika Vol 12, No 1 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i1.60019

Abstract

This study aimed to obtain the type of solvent that has optimal activity antiphotooxidaion to inhibit photooxidation RBDPO oil, and determine the effect of phenolic extracts of the kesum leaf on RBDPO oil emulsion stability.The study consisted of two steps. The first steps make kesum leaf extract with methanol, n-hexane fraction, ethyl acetate fraction, the fraction of methanol and methanol-water fraction.Each extract with a concentration of 1000 ppm RBDPO emulsified into the oil, then proceed with testing antiphotooxidation activity and total phenol content using a completely randomized design consisting of a treatment factor is the type of preparation (S) consisting of methanol extract (s1), hexane fraction (s2), ethyl acetate fraction (s3), methanol fraction (s4), methanol-water fraction (s5) is repeated three times.Observation variables involved testing antiphotooxidation activity and total phenol content.The second steps is the preparation antiphotooxidant best on first steps, the extract concentration (0, 500, 1000, 1500, 2000, 2500 and 3000 ppm)emulsified into the RBDPO oil, then proceed with testing antiphotooxidation activity and emulsion stability on RBDPO oilusing regression correlation, each treatment was repeated three times.The results of first steps study is the best type of preparation with methanol extracts with antiphotooxidation activity of 47.42% and total phenol of 22.03 mg GAE/g.The results of second steps study showed that increasing the concentration of the methanol extract significantly affected the antiphotoxidantion activity while methanol extract concentration no significantly effect on the stability of emulsion RBDPO in water.Emulsion stability was measured on days 0, 1, 2, 3, and showed no significantly effect.Emulsion stability did not change until three day, showed that the type of surfactant Tween 20 were used effectively in the system RBDPO palm oil emulsion in water.

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