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Journal : Tropical Plantation Journal

 1 
Cashew Nut Shell Liquid (Anacardium occidentale) as a Botanical Insecticide to Control Helopeltis sp on Cocoa plants Santi, Idum Satia; Kurniawan, Indra; Manto, Agus
Tropical Plantation Journal Vol 3, No 1 (2024): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v3i1.38

Abstract

Cashew nut skin is considered as waste, whereas cashew nutshell extract, or called CNSL (Cashew Nut Shell Liquid), has the potential as a botanical insecticide that can control insect pests. Helopeltis sp is a pest that often attacks cacao plants. The study aims to determine the effectiveness of cashew nutshell extract as a botanical insecticide to control  Helopeltis sp. in cacao plants. The study used a randomized block design (RBD) with seven treatments and three replications. Testing CNSL on adult (imago) and pre-adult (nymph) insects. CNSL concentrations used are 0%, 3.125%, 6.25%, 12.5%, 25%, 50% and 100%. The results showed that cashew nutshell extract has strong toxicity. A concentration of 3.125% can kill 100% of the imago Helopeltis sp. (72 hours after application) for the nymph Helopeltis sp. (48 hours after application). LC50 values 24 hours after application for imago and nymph were 4.63% and 0.94%, and LC99 for imago and nymph was 42.62% and 23.89%.  Furthermore,  cashew nut extract can be used as a botanical insecticide to control other plant pests.
Correlation of Plantation Area and Palm Oil Production in Sumatra and Kalimantan Regions Kurniawan, Indra; Kurniadhi, Adhitya; Aji, Wandha Atmaka; Manto, Agus
Tropical Plantation Journal Vol 3, No 2 (2024): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v3i2.46

Abstract

This study aims to analyze the correlation between the area of oil palm plantations and oil palm production in Indonesia, especially in the Sumatra and Kalimantan regions which are the centers of oil palm plantation distribution. Data collection using secondary data from the Central Statistics Agency (BPS), this study aims to determine the relationship between the increase in land area and oil palm plantation production over the past 10 years. This study uses a quantitative method with a correlative approach. Data analysis was carried out using a bivariate correlation Pearson correlation test to determine the positive relationship between plantation area and oil palm production. The results of the analysis showed a significant positive relationship between the land area variable and oil palm production in both the Sumatra and Kalimantan regions, this is indicated by a positive number and a strong correlation of 0.852 for the Sumatra region and very strong, namely 0.996 for the Kalimantan region. In addition, the results of the interpretation of the correlation by looking at Sig. (2-tailed) also show that between the land area variable and production there is a significant correlation, namely 0.002 for the Sumatra region and a value of 0.000 for the Kalimantan region. Although the correlation between land area and production shows a positive value and has a very strong correlation, there are still other factors such as technology, climate, and management practices that also play a role in influencing palm oil production results.
Alternative Household Fuel: Fruitless Palm Based on Gasification Biomass with Gasoline and Liquefied Petroleum Gas Saloko, Subakho Aryo; Nurcahyono, Nurcahyono; Kurniawan, Indra; Hartono, Hartono; Gunawan, Sri
Tropical Plantation Journal Vol 4, No 2 (2025): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v4i2.57

Abstract

Fuel sources derived from oil palm plants are abundant but have not been optimally utilized by the community. This study aims to show the performance efficiency of cheap fuel fruitless (Brondolan) using people's stoves as fuel substitutes for kerosene, coal, and Liquid Petroleum Gas (LPG). This study uses a quantitative observation method. The types of fuel and stove materials used include (1) conventional kerosene-fired stoves, (2) conventional LPG-fired stoves, (3) gasified biomass stoves fueled with palm fruit, (a) large stove size (Prime Brand), and (b) small stove size (People's Stove Brand). The research procedure is measured by heating 5 liters of water from room temperature to boiling (1000C). The results show that fruitless is more efficient than gasoline, coal, and LPG is more efficient. Based on trials, heat 5 liters of water to a boil at Rp. 200, Gasoline Rp. 1,650, and LPG Rp. 381. The government's role is to provide socialization and policies in applying alternative materials with lozenges to reduce the use of gasoline and LPG. Unrefined fuel can be an alternative material for household scale stoves.
The Effect of Hatch and Carry Distance of Elaeidobius Kamerunicus on Fruit Set and Bunch Weight of Oil Palm (Elaeis guineensis Jacq.) Hartono, Hartono; Susanto, Agus; Kurniawan, Indra; Saloko, Subakho Aryo; Putra, Arief Panca; Nurcahyono, Nurcahyono
Tropical Plantation Journal Vol 5, No 1 (2026): TROPICAL PLANTATION JOURNAL
Publisher : Akademi Komunitas Perkebunan Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56125/tpj.v5i1.83

Abstract

Hatch and carry is a breeding and distribution system for the primary pollinator of the oil palm, Elaeidobius kamerunicus. Information on the optimal distance for the Hatch and Carry application on pollination success and bunch productivity is still limited. This study aims to determine the effective distance of Hatch and Carry on fruit set and bunch weight in oil palm. The study used a quantitative method with a Completely Randomized Design (CRD), including Hatch and Carry distance treatments at radii of 10 m, 100 m, 200 m, 300 m, and 400 m, as well as assisted pollination techniques as a comparison. Data on fruit set and bunch weight were analyzed using analysis of variance (ANOVA) at the 95% confidence level, followed by the Duncan Multiple Range Test (DMRT). The results showed that the highest fruit set was observed at 10–200 m and was not significantly different, but decreased significantly at 300 m and 400 m. The same pattern also occurred for bunch weight, with the highest value at 100 m. The assisted pollination technique produces fruit set equivalent to the effective Hatch and Carry distance of 10–200 m. This study concluded that the effective distribution range of E. kamerunicus is within a radius of 200–300 m; thus, Hatch and Carry technology has the potential to be an efficient alternative for increasing oil palm productivity.
Co-Authors A, Fery Rahmawan Abdurrahman Al Ghafari, Faishal Abimanyu, Raditya Razindra Achmad Rusdi Adam, Muhammad Ibnu Adi Saputra Adil Akhyar Adirianto, Bayu Afryanti, Rani Agus Susanto Ahmad Taufiq Aji, Wandha Atmaka Alfarisi, Achmad Hasan Amrie Firmansyah Anasukha, Endah Wahyu Andi Nurkholis Andi Sadriani Anggastani, Novita Dia Anggoro, Rafli Anggra, Fiveriati Anggreni, Veni Aprilian, Sulthan Arfat, Muhammad Fadilah Arfiandi, Joni Arif Fahmi Arifin, Wahyu Aristianingrum, Riska Dita Atmaka Aji , Wandha Aulia Ar Rakhman Awaludin Aulia, Ema Valy Ayu Ramadhani, Nandha Ayudhia Pangestu Gusti Batari, Denita Dea Bayu Hartanto, Naufal Berliana Hartati, Devi Bisma Arianto Cahyowati, Meireni Catrawedarma, IGNB Cris Kuntadi Darutama, Ardiyan David-Barrett, Tamas Dermawan, Chalvyn Rahmat Dewi Putri, Vyona Dewi, Yulida Intani Dito Pratama, Afriyan Dona Katarina Dwi Nugrahanto, Ariya Dwi Retna Sulistyawati Edy Purwanto Edy Sulistiyawan, Edy Efendi, Lukman Ek Ajeng Rahmi Pinahayu Ekawati, Christina Elan, Umi Elfantoro, Indra Elfatma, Olivia Endayanti, M Endi Sailul Haq Erdiansyah, Rezi Ernanda, Erwin Evy Rachmawati CH, Evy Fadhilah, Ackbar Fadila Fitriana, Gita Fasdarsyah Fasdarsyah Fauzan Natsir Febrianta, Harvey Ferdi Zulkarnain Firdausi, Muhammad Izzat Fitriana Destiawati Fitriana Destiawati Fitriana, Rindi Fitroh, Qorry Aina Gardenia, Nia Hananda Priyandaru Handoyo, Tris Hanif, Muhammad Rafi Harnanik Harnanik, Harnanik Harry Dhika, Harry Hartono Hartono Hartuti, Purni Munah Hartuti, Purni Munah Hasan, Luthfi Helma Malini, Helma Herdiana, Mochamad Rafi Heri Setyawan HERI SETYAWAN Heriyati, Heriyati Hidayah, Muslihatul Ibad, Irsyadul Ibrahim, Abrar Hafidz Idum Satia Santi Iim Marfuah Imam Prayogo Pujiono Imam Pujo Mulyatno Imam Sujadi Indradewa, Rhian Irawan, Andre Izni Shafie, Dalili Juanda, Syifa Ethika Julianto, Anang Khoirunnisa, Indah Rosewika Suryaning Khotimah, Alya Husnul Khuluq, Husnul Koko Setiawan, Koko Komalasari, Indah Krisdianto, Yusuf Kristian Tinduh, Yulio Kurnia, Siti Hidayanti Mutia Kurniadhi, Adhitya Lailatul Qomariyah, Lailatul Latif, Riski Lina Nasihatun Nafidah Lisa Amriani Listianto, Herry Liza, Ahmad Ludfi Pratiwi Bowo Luh Putu Widya Adnyani Lutfi M. E. Winarno M.E Winarno Mahatma Lanuru Maimon Sumo Maizuar Maizuar Maman Rachman Manjaya Putra, Hadri Manto, Agus Marcellus S Kolopaking Marcellus Simadibrata Marfu'ah, Iim Maryona Septiara Merina Pratiwi Mewa Zabeta, Mewa MIFTAKHUL JANNAH Mira Gusniwati Mubais, Ahmad Muhammad Choiru Zulfa Muhammad Muhaimin Musazi, Ibnu Mustikawati, Farida Musyarrofah, Musyarrofah Nabila, Riski Nadir, Fajriansyah Novianto, Esa Adelia Nugroho, Agung Nugroho, Sinung Nur Rohman, Ahmad Nurali , Nurali Nurali, Nurali Nurcahyono Nurcahyono, Nurcahyono Nurianah, Nurianah Ordrick, Jevon Patricia, Sandra Uli Pawi Tobing, Febbi Polii, Efata B Prada, Bagas Maulana Pasha Aditya Pradana, Alif Putra Pramalistyo, Arisca Prasojo, Rahman Azis Pratama, Andi Asriadi Pratiwi, Ni Made Indira Pristianto, Hendrik Purwoko, Hendro Purwono, Rudi Puspitasari, Wahyu Dwi Putra Jaya Abadi Putra, Arief Panca Putri, Hardiyani Eka Qifary, M. Ravi Al Rahadyan, Andri Ramadhan, Prastya Rizky Resa Nurlaela Anwar Restiyana, Ela RETNO NENGSIH Revaldi, Imam Rina Martini Rini, Retno Puspa Riski Mubaroq, Albait Rizal, Ahmad Khoiri Rizka Yulina, Rizka Rizki, Muhammad Agung Rizkianah, Diah Rohmah, Syifa Rudy Haryanto Rulianto, Jangka Said Jalalul Akbar, Said Jalalul Saiful Bahri Saloko, Subakho Aryo Samawi, Muhammad Farid Santi, Indyah Hartami Sari, Ilma Nopita Setiadi, Irawan Setiyowati, Yunita Ayu Sholikah, Mar’atus Siti Munawaro, Siti Siti Nurrochmah Siti Samsiyah Siti Suprihatiningsih Sofwatunnisa, Sofwatunnisa Sri Gunawan Styawati, Styawati Subaryata, Subaryata Suharwati, Nungky Suharyanto Sukmawati, Baiq Nadia Indra Sulaiman, Han Sulastri, Tetty Supardi, Mokhamad Suseno, Akrim Teguh Sutjipto, Rachmat Syah, Danial Syahputri, Anggraini Syarifah Rahmah, Syarifah Tabrani, Muhamad Tatang Wahyudi, Tatang Tejo Murti, Theofilus Ton, Sefri Tri Atmojo Kusmayadi Ulfah, Sofia Untung Budiarto Utami, Aditya Dyah Vanessa Gaffar Wahyu Nur Cholifah Walim, Walim Welmart, Dylan Ritosa Theadiva Wenda Wahyu Christiyanto Wesli Wesli Wibowo, Galih Hendra Widiastuti, Tri Cahyani Wiguna, I Kadek Candra Parmana William S. Wangko wisnu yudo untoro, wisnu Wiwin Winiati, Wiwin Wongkar, Maarthen C. P. Yuliana, Anita Yusuf, Khairullah Zuhroh, Siti