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INDONESIA
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
 1 
Search results for , issue "Vol 12, No 2 (2022)" : 6 Documents clear
KEEFEKTIFAN HERBISIDA IPA-GLIFOSAT (480 g/l) DALAM MENGENDALIKAN GULMA PADA BUDIDAYA KELAPA SAWIT TBM Haryanus Ugot; Edy Syahputra; Rahmidayani Rahmidayani
Perkebunan dan Lahan Tropika Vol 12, No 2 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i2.60052

Abstract

The objective of this study was to evaluate the herbicide effectiveness of IPA-Glyphosate (480 g/l) in control the common weeds on immature oil palm plantation. This study was performed in oil palm plantation at Rasau Jaya, Kubu Raya Regency, Kalimantan Barat Province. Vegetation analysis was conducted by using the square methods. Herbicide application carried out by a spraying method. Experiment arranged by randomized block design with 6 treatments and 4 replications. The results showed at 12 weeks after application the average density of weeds covering is 2,4-40%. The IPA- Glyphosate herbicide (480 g/l) with dose 5 l/ha effective suppressed the growth kinds of weeds up to 12 weeks after application and didn’t cause phytotoxicity in oil palm plantation.
STUDI KARAKTERISTIK SUB DAERAH ALIRAN SUNGAI JETAK PADA DAERAH ALIRAN SUNGAI MELAWI KECAMATAN DEDAI KABUPATEN SINTANG Boneta Angella; Riduansyah Riduansyah; Bambang Widiarso
Perkebunan dan Lahan Tropika Vol 12, No 2 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i2.60100

Abstract

Jetak watersheds is already in a critical state and undergo changes caused by industrial waste, household. This research aimed to study the characteristics of the Jetak watershed. Jetak sub watershed has an area of 18734.27 hectares located in District Dedai Sintang. This study was conducted at two observation points that were on the downstream and upstream conducted on 6 consecutive days and subsequently analyzed in the laboratory TSS Land Quality and Health Faculty of Agriculture, University of Tanjungpura. The results showed that the pattern of Jetak’s river pipeline that was dendritic pattern and it shaped like a bird feather. IKD value was 0.0143 km / km2 and included the low category while the transverse profile of the river at the downstream and the upstream parabolic square shaped. Orde the river consisted of 2 ordes and water quality with an average pH value in the upstream was 6.01 and on the downstream was 6.46, the temperature on the upstream side had an average value was 27,90C and downstream has an average value was 27,70C, the brightness on the upstream side has an average value was 75.5 cm and the downstream section has an average value was 96.08 cm. Flow rate at the downstream has an average value was 7.418 m3 / sec and the upstream section was 0.790 m3 / sec. Discharge curve (r) of downstream was 0.084 and upstream was 0.746 with R2 downstream was 0,007 and the upstream was 0.557. The concentration of suspended sediment downstream had an average vaue was 9.5 mg / liter and upstream was 8.33 mg / liter. Downstream sediment discharge has an average was 6.13 tons / day and upstream was 0.57 tons / day. Arch sediment downstream (r) is 0.864 with R2 was 0.746 and on the upstream side (r) was 0.031 with R2 was 0.001. 
DAMPAK KONVERSI HUTAN MENJADI LAHAN PERTANIAN TERHHADAP PEMBANGUNAN DESA STUDI KASUS DI HUTAN LINDUNG PINANG LUAR – KABUPATEN KUBU RAYA Handayani Handayani; Abdul Hamid A. Yusra; Wanti Fitrianti
Perkebunan dan Lahan Tropika Vol 12, No 2 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i2.60027

Abstract

Forest conversion activities into non forestry purposes impacts on decreasing of forestfunction as a main role sustainable development, especially as water regulators and as carbon storage. Therefore, deforestation not only causes a direct loss of forest habitat but also leads to indirect impacts as ecosystem services deteriorate or fail. Forests provide ecosystem services that include the regulation of weather and climate at local, regional and even global levels. Existence of protected forest Pinang Luar ± 3.228 acres take an important part and people living in the area has a high dependency on the forest. Farming activities become a treat to the forest and their indications show that cropland and palm estate already in the forest area. Land cover changes in protected forest Pinang luar at 2003 – 2012 impacts on villages at ring 1 area hierarchy decrease cause by population growth are not followed by the additional of infrastructures in economy, health and education. It is also caused by landconversion that occurred in the protected forest Pinang Luar. In the period 2003 - 2012, the villages directly affected (ring 1) have a level area hierarchy is much worse compared to villages that are not directly affected (Ring 2). And it affected to the development of the villages in the ring 2 which is better than the village at ring 1. These conditions happen because at the village in ring 1 change only on land not on the impact on the level of development that could affect the region hierarchy. This is in contrast with the ring 2 villages where the changes occur not only on land but also on its impact on the development so as to enhance the region hierarchy in ring 2 villages.
PENGARUH PENGOLAHAN TANAH TERHADAP JUMLAH SIMPANAN BIJI GULMA DI DALAM TANAH PADA TANAH ALLUVIAL Feri Pratama; Sarbino Sarbino; Rahmidayani Rahmidayani
Perkebunan dan Lahan Tropika Vol 12, No 2 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i2.60101

Abstract

This study aims to determine the effect of tillage on the amount of deposits of weed seeds in the soil on alluvial soil. Research conducted at the Faculty of Agriculture experimental field Tanjungpura in August to December 2014. Identification and data processing carried out at the Laboratory of Plant Pests Tanjungpura University . Research using observation method with weeds growing vegetation analysis after tillage. Observations were made after 1 times tillage , 2 times , 3 times and 4 times. Results of this study indicate that there are five species of weeds that have the highest amount of seed bank with a value of SDR above 10 % and is considered an important weed that is, Borreria alata, Cyrtococcum sp, Ageratum conyzoides, Ludwigia parennis and Phyllantus debilis. Based on the results of this study concluded that as many as 1 times tillage can reduce the weed seed bank  in the soil deposits if done before the weeds produce seeds. 
PENGARUH KOMPOS SERBUK SABUT KELAPA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN CABAI RAWIT PADA TANAH PODSOLIK MERAH KUNING Ishak Dianisius; Agustina Listiawati; Inpurwanto Inpurwanto
Perkebunan dan Lahan Tropika Vol 12, No 2 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i2.60050

Abstract

This study aims to determine the effect of composted coconut coir dust on growth and yield of cayenne pepper on red yellow podzolic soil. This research was conducted in the experimental farm of the Faculty of Agriculture, University of Tanjungpura Pontianak, started from February to July 2014. This study used a field experiment with completely randomized design consisting of single factor i.e composted coconut coir dust, with six level treatments: S1 (800 g/polybag); S2 (900 g/polybag); S3 (1000 g/polybag); S4 (1100 g/polybag); S5 (1200 g/polybag); dan S6 (1300 g/polybag), consists of 4 replications, with 3 plant samples each. The variables observed in this study include, plant height (cm), number of fruit per plant (fruits), the fruit biomass per plant (g), total dry biomass (g), and root volume (ml). The results showed that the application of composted coconut coir dust here not a significanlly affected plant height, number of fruit per plant, the fruit biomass, total plant dry biomass, and root volume.
RESPON PERTUMBUHAN BIBIT KELAPA SAWIT DI MAIN NURSERY AKIBAT KOMBINASI PUPUK KOTORAN AYAM DAN NPK PADA TANAH PMK Niko Wiranata; Warganda Warganda; Agus Ruliyansyah
Perkebunan dan Lahan Tropika Vol 12, No 2 (2022)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/plt.v12i2.60051

Abstract

Seedlings of oil palm in the main nursery take place from the age of 4 to 12 months of seedlings, in that period the oil palm seedlings already need additional nutrients in the growing media. Utilization of PMK soil as a growing medium is faced with low soil fertility, low levels of organic matter availability, and lack of nutrient content. The limited carrying capacity of PMK soil needs to be overcome by adding organic matter and nutrients to improve soil fertility of PMK as a growing medium for nurseries in the main oil palm nursery. This study aims to determine the effect and dose of the best combination of chicken manure and NPK fertilizer on PMK soil for the growth of oil palm seedlings at the main nursery stage. The study was conducted in Ngabang, West Kalimantan on January 17, 2022 to May 17, 2022. This study used a field experiment method with a completely randomized design (CRD) one factor, namely a combination of chicken manure and NPK fertilizer. The combinations in question are A= Chicken manure 0 % + 100 % NPK, B= Chicken manure 20 % + 80 % NPK, C= Chicken manure 40 % + 60 % NPK, D= Chicken manure 60 % + 40 % NPK, E= Chicken manure 80 % + 20 % NPK, F= Chicken manure 100 % + 0 % NPK. The variables observed in this study were plant dry weight (g), root volume (cm3), plant height (cm), stem diameter (cm), and number of leaves (strands). The growth response of oil palm seedlings in the main nursery on the 100 % NPK treatment was better than the 100 % chicken manure treatment on the variables of plant height, stem diameter and equally good on the variables of plant dry weight, root volume and number of leaves. Treatment of 100 % NPK resulted in the highest average plant dry weight, root volume, plant height, stem diameter and number of leaves compared to other treatments.

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