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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 8 Documents
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Search results for , issue "Vol 11, No 2 (2021)" : 8 Documents clear
KEEFEKTIFAN BEBERAPA HERBISIDA CAMPURAN DALAM MENGENDALIKAN GULMA UMUM PERKEBUNAN KELAPA SAWIT Nopiansyah Nopiansyah; Edi Syahputra; Sarbino Sarbino
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.61203

Abstract

Herbicide mixing technology is an opportunity to improve efficiency and control weeds. This study aimed to develop the effectiveness of a mixed herbicide (tank mix) between the active ingredient formulations of tiafenacil, glyphosate, methyl metsulfuron, and paraquat dichloride in controlling common oil palm weeds. The research was carried out for approximately 3 months, from January to March 2021, in oil palm plantations. The research used was a randomized block design with 9 treatments and 4 replications. Herbicide application using a knapsack sprayer and a red nozzle. Spraying is carried out on weeds in the oil palm weed circle. Vegetation analysis was carried out before the application of herbicides, the percentage of mortality was observed 3,7, 14, 21, and 30 days after spraying and weed regrowth was carried out 30, 45, and 60 days after spraying. The results showed that the paraquat mixture of tiafenacil was able to increase the effectiveness of the herbicide against common weeds compared to the single herbicide tiafenacil at doses of 2 l/ha and 4 l/ha based on mortality. The paraquat mixture in methyl metsulfuron was able to increase the effectiveness of the herbicide against common weeds compared to the single herbicide methyl metsulfuron based on its mortality. The single herbicide tiafenacil dose of 2 l/ha was able to suppress the dry weight of Ottochloa sp better than the single herbicide tiafenacil dose of 4 l/ha. The mixture of methyl metsulfuron in tiafenacil was able to suppress the dry weight of Asystasia sp better than the single herbicide tiafenacil at a dose of 2 l/ha.
IDENTIFIKASI KESUBURAN TANAH TANAMAN KELAPA SAWIT PADA LAHAN PASCA PENAMBANGAN EMAS DESA ROBAN KECAMATAN SINGKAWANG TENGAH Saddam Gusty Mandala; Asrifin Aspan; Rita Hayati
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.60093

Abstract

Research was conducted on post-mining land the gold that has been planted with oil palm. This research is motivated by post-mining land conditions, the fertility of the ground to, oil palm plantations and the process of implementation of aquaculture activities. The purpose of research is to identify the soil fertility status of oil palm trees and prepare advice for nutrient management (fertilizer recommendation). This study used survey method with descriptive and comparative approach undertaken by soil sampling in the field on four objects observation at the sites. Parameter study soil bulk density, soil pH, N-total, P-available, K-available, cation exchange capacity, organic C, and Base saturation. The basis for determining the criteria used is the criterion of soil fertility Land Research Center in 1983. The results showed that the pH criteria sour, total nitrogen, available phosphorus, available potassium, organic C, cation exchange capacity and base saturation low to very low. Nitrogen fertilizer recommendations, P2O5 and K2O needs to be added to plant oil palm on the location of the study as follows: C1 is 1.98 kg urea / tree / year, 0.98 kg of SP-36 / tree / year, 1.82 kg KCl / tree / year. C2 is 1.98 kg urea / tree / year, 1.39 kg of SP-36 / tree / year, 1.87 kg KCl / tree / year. C3 is 1.96 kg urea / tree / year, 1.15 kg of SP-36 / tree / year, 0.89 kg KCl / tree / year. C4 is 1.95 kg urea / tree / year, 0.83 kg of SP-36 / tree / year, 0.05 kg KCl / tree / year.Keywords: Soil Fertility, Land Used Gold Mining, Oil Palm Plant 
PENGARUH CUKA (ASAP CAIR) TEMPURUNG KELAPA TERHADAP P. palmivora PENYEBAB PENYAKIT BUSUK BUAH PADA KAKAO Yunita Yunita; Iman Suswanto; Sarbino Sarbino
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.60096

Abstract

Cocoa pod rot disease is one of the important diseases on cocoa crop because they cause substantial losses in crop yields. One method to control spoilage of pod using vinegar (Liquid Smoke) coconut shell. This research aims to obtain a concentration of Vinegar (Liquid Smoke) to suppress the activity of P. pamivora. The study lasted for three months in the laboratory of plant disease Faculty of Agriculture University of Tanjungpura. The method used was Complete Random Design (CRD) with 6 treatment 0%, 5%, 10%, 20%, 40% and fungicides mancozeb 80% active material based on repeated 3 times. The observed parameters is the number of patches and spots, long observations began on the fifth day after incubation. The research results showed that rotten pod disease control using Wood Vinegar is effective at concentrations of 5% and 10% are able to inhibit the activity of P. palmivora.Keywords: Cocoa pod, Vinegar (Asap Cair) Coconut Shell, P. palmivora
PREDIKSI EROSI DENGAN METODE USLE DI PERKEBUNAN KELAPA SAWIT PTPN XIII GUNUNG MELIAU KECAMATAN MELIAU KABUPATEN SANGGAU Putri Liastuti; Tino Orciny Chandra; Bambang Widiarso
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.60053

Abstract

The research location that is in Afdeling 3 PTPN XIII Mount Meliau Meliau District of Sanggau. This study aims to predict the magnitude of the erosion and the amount of erosion that can still be tolerated. The method used in this study was calculated using the USLE by knowing the value of the R factor, K, L, S, C and P which are the root causes of erosion in the area of oil palm plantations in the study sites. Further erosion of values that can be tolerated in comparison to the predicted value erosion. Having compared the predictive value of the erosion of the value erosion that can be tolerated, it is necessary to do the conservation measures recommended.The results of this study found that the rate of erosion prediction (A) reached 140.16 to 9737.28 tons / ha / year. Value erosion prediction that can be tolerated (Etol) ranged from 48.22 to 32.13 tonnes / ha / year. In Ult4 land value (A) is greater than the value of Etol with moderate erosion hazard level, while on land Ult18, Ult24, Ult36 value (A) is greater than the value of Etol with severe erosion hazard level. Planning and prevention of erosion is the appropriate planting bench terracing of good construction. Special to land Ult4 and Ult18 can in recommend also with planting LCC and making the porch kontruksi was.
EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN KELAPA SAWIT DI DESA ENGKASAN KECAMATAN TAYAN HULU KABUPATEN SANGGAU Iyus Iyus; Asmahan Akhmad; Ary Krisnohadi
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.60055

Abstract

This study aims to determine the level/grade suitability of land for oil palm plantations and attempt to provide management recommendations. Results of land evaluation, whether the results obtained from the field and the results of laboratory analysis results will provide information and guidance necessary land use and finally value of production expectations increased. The research was conducted in the village of Engkasan Tayan Hulu subdistrict Sanggau district with an area of 100 hectares. Analysis of soil samples carried out in the Laboratory of Chemistry and Soil Fertility Faculty of Agriculture, University Tanjungpura Pontianak. The study started from April 2015 until the end of April 2016. The research was conducted by survey method using a grid system. Implementation of the research include: 1) Preparation, consisting of cartography topography of the site of research, collecting secondary data research sites and tools and materials used, 2) field observations, consisting of drilling and profiling of land, 3) Analysis soil samples in the laboratory, 4) Analysis and compilation of data, which consists of determining ratings soil chemical properties, determining the nomenclature of land, determination of land suitability classes, determination of the limiting factors of land, 5) Interpretation of the data and presenting the results, the data obtained in the field associated with the results of the analysis in the laboratory.The interpretation of field data and analysis in the laboratory showed that among the sites there are 4 Soil Mapping Unit, but it has one type of soil and is classified into the Order Ultisol, Sub-order Udik, Great-group Kandiudults, Sub-order Typic Kandiudults with epipedon ocric and horizon diagnostic kandik. Soil Mapping Unit 1 has a land suitability classes S3-n (nutrient status) actual and potential land suitability classes S1, Soil Mapping Unit 2 has a land suitability classes S3-ns (slope and nutrient status) actual and potential land suitability classes S1, Soil Mapping Unit 3 has the actual land suitability classes N1-s (slope). N1-s (slope) can not do so any improvement potential land suitability classes Soil Mapping Unit remain N1-s (slope) 3 and Soil Mapping Unit 4 has the actual land suitability classes N2-s (slope). N2-s (slope) can not do so any improvement potential land suitability classes Soil Mapping Unit remain N2-s (slope). Recommended management consists of organic materials recommendation, liming, fertilizing and terracing. The results of the lime requirement calculations amounted to 0.5344 ton / mgCa (CO3) 2 / ha, the result of calculation of P and K fertilizer demand respectively 159.8 kg / ha SP36 and 130 kg / ha KCl.
STUDI SIFAT FISIK TANAH PADA KEBUN KARET DAN KELAPA SAWIT DI DESA RASAN KECAMATAN NGABANG KABUPATEN LANDAK Riduan Riduan; Junaidi Junaidi; Rita Hayati
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.60056

Abstract

This study aimed to compare the physical properties of soil on rubber and oil palm plantation in the village of the District Rasan Ngabang Porcupine District. Observation point soil samples taken at rubber plantations and palm oil to a depth of 0-30 cm and 30-60 cm. Parameter observations used in this study consists of the characteristic physical properties of the soil that is the color of the soil, soil structure, soil texture, bulk density soil, the water content of field capacity, soil porosity, permeability, stability of soil aggregates, content of organic C, N-total , C / N ratio, and soil reaction (pH).The observation of the color of the soil in the field on rubber plantations and palm oil is known that, there are some differences and similarities at each point of observation well was at a depth of 0-30 cm and 30-60 cm. The structure of a rubber garden soil to a depth of 0-30 cm and 30-60 cm blocky rounded grains (granular) while in the oil palm plantation with a depth of 0-30 cm and 30-60 cm soil structure is blocky angular. While the texture of the soil at a depth of 0-30 cm rubber plantations and 30-60 cm termaksuk sandy clay loam and clayey loam soil texture while the oil palm plantation with a depth of 0-30 cm and 30-60 cm including sandy clay loam, clay and loam clayey.T test results on soil bulk density rubber plantations and palm oil at a depth of 0-30 cm showed significantly different while the depth of 30-60 cm are not significantly different, while the t-test, field capacity moisture content in the rubber plantations and palm oil at a depth of 0-30 cm showed significantly different at a depth of 30-60 cm while not significantly different. The results of the t test soil porosity rubber plantations and palm oil at a depth of 0-30 cm and 30-60 cm are not significantly different. While the t-test, soil permeability in rubber plantations and palm oil to a depth of 0-30 cm and 30-60 cm showed no significant difference.Soil aggregate stability was higher in oil palm plantations over rubber either the depth of 0-30 cm and 30-60 cm. While the results of the analysis of organic materials in the rubber plantations and palm oil is low to very low both at a depth of 0-30 cm and 30-60 cm, N-total is low to very low, and C / N ratio is low and soil reaction ( pH) sour to very sour.
POPULASI ELAEDOBIUS KAMERUNICUS PADA TANAMAN KELAPA SAWIT YANG BERBEDA UMUR DI KECAMATAN RASAU JAYA, KABUPATEN KUBU RAYA Muhammad Amin Prabowo; Tris Haris Ramadhan; Edi Syahputra
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.61202

Abstract

Pollination in oil palm is generally carried out by insects. The beetle Elaeidobius kamerunicus is one of the effective pollinating insects for oil palm. This beetle breeds well on male flowers, this beetle can also reach female flowers located in the inner bunch, so this condition causes more perfect pollination. This study aims to determine the population of oil palm pollinating insects E. kamerunicus at several ages of oil palm plants which will be associated with environmental factors and ways of oil palm cultivation, both application of pesticides and fertilizers in Rasau Jaya District, Kubu Raya Regency. Insect sampling in this study used a purposive sampling method (determined sample), which used 3 plant blocks with different age groups of 4, 6, and 9 years respectively. The method used is the observation method, namely observing the population of oil palm pollinating insects directly on oil palm flowers. Observations were made on the population of E. kamerunicus by counting the number of E. kamerunicus visiting blooming oil palm flowers obtained from yellow sticky traps with a size of 20x30 cm placed near oil palm flowers. The results of the study concluded that the older the age of the oil palm plant, the greater the number of spikelets and the population of E. kamerunicus insects increased.
KADAR HARA NPK TANAMAN KELAPA SAWIT PADA BERBAGAI TINGKAT KEMATANGAN TANAH GAMBUT DI PERKEBUNAN KELAPA SAWIT PT. PENITI SUNGAI PURUN KABUPATEN MEMPAWAH Bayu Saputra; Denah Suswati; Rini Hazriani
Perkebunan dan Lahan Tropika Vol 11, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v11i2.60092

Abstract

Nutrient levels is the process to determine the present nutrient content in tissue plant. Nutrient levels obtained through field survey and nutrient analysis in the laboratory. This research aims to determine levels of N, P and K as well as recommend the use of N, P, and K for oil palm plants so as to increase the production of palm oil. This research was conducted at PT. Peniti Sungai Purun, MempawahRegency. The analysis results showed that the levels of N, P, and K on all blocks belonging to deficiency until optimum. In each block, the dose recommend of fertilizer N, P, and K to block G50 (1,73 kg urea/tree/year, 1,50 kg Rock Phospate/tree/4 times/year, and 2,50 kg KCl/tree/year) Blocks H34 (3,00 kg urea/tree/year, 3,50 kg Rock Phospate/tree/year, and 3,50 kg KCl/tree/year). Block I26 (1,73 kg urea/tree/year, 1,50 kg Rock Phospate/tree/year, and 2,50 kg KCl/tree/year). Block J26 (3,00 kg urea/tree/year, 3,50 kg Rock Phospate/tree/ year, and 3,50 kg KCl/tree/year). This dosage recommendations are used to increase the production of oil palm plants in PT. Peniti Sungai Purun.Keywords : Nutrient levels, recommendation of fertilization .

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