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All Journal Jurnal Agro Industri Perkebunan Jurnal Biologi Tropis Fruitset Sains : Jurnal Pertanian Agroteknologi Sustainability Science and Resources JATIMAS : Jurnal Pertanian dan Pengabdian Masyarakat Jurnal Agro Estate
Kusumawati, Anna
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Social Sciences

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Konservasi Tanah dan Air di Perkebunan Kelapa Sawit Desa Wawolemo Kabupaten Konawe Demi Pembangunan yang Berkelanjutan Alam, Syamsu; Hemon, M Tufaila; Suleman, Darwis; Leomo, Sitti; Yusuf, Dewi Nurhayati; Rustam, La Ode; Fatimah, Sitti; Perkasa, Muh. Alwis Arya; Kusumawati, Anna
JATIMAS : Jurnal Pertanian dan Pengabdian Masyarakat Vol. 4 No. 1 (2024): MEI
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jatimas.v4i1.5584

Abstract

Soil and water conservation efforts continue to be encouraged, considering the increasing number of openings of oil palm plantations that occur in various regions, including Wawolemo Village Konawe Regency. Clearing new land for oil palm planting is generally carried out by land clearing, which has the potential to cause erosion, so soil and water conservation efforts are needed to prevent land degradation, especially the loss of nutrients in the topsoil layer due to erosion. This community service activity aims to provide the community in Wawolemo Village with an understanding of the importance of soil and water conservation. Activities carried out in January 2024 for the farmers/community of Wawolemo Village. The method used was in the form of lectures or counseling and evaluation, where questionnaires were filled out before and after the activity took place. The results of the activity showed that there was an increase in the understanding and insight of the Wawolemo Village community after being provided with education, especially about erosion, soil, and water conservation techniques, as well as environmentally friendly and sustainable palm oil plantation practices based on soil and water conservation. By implementing a soil and water conservation system, smallholder oil palm growers are also expected to be able to save on fertilizer costs, which have been considered quite large, in order to obtain optimal production. Upaya konservasi tanah dan air terus digalakkan mengingat semakin banyaknya pembukaan kebun kelapa sawit yang terjadi di berbagai daerah, tidak terkecuali Desa Wawolemo Kabupaten Konawe. Pembukaan lahan baru untuk penanaman kelapa sawit umumnya dilakukan dengan cara land clearing yang berpotensi menyebabkan erosi, sehingga diperlukan upaya konservasi tanah dan air untuk mencegah terjadinya degradasi lahan terutama hilangnya unsur hara pada lapisan tanah atas karena erosi. Kegiatan pengabdian kepada masyarakat ini bertujuan memberikan pemahaman kepada masyarakat di Desa Wawolemo tentang pentingnya konservasi tanah dan air. Kegiatan dilakukan pada bulan Januari 2024 pada petani/masayarakat Desa Wawolemo. Metode yang digunakan berupa ceramah atau penyuluhan dan evaluasi dengan mengisi kuesioner sebelum dan sesudah kegiatan berlangsung. Hasil kegiatan menunjukkan terjadi peningkatan pemahaman dan wawasan masyarakat Desa Wawolemo setelah diberikan penyuluhan terutama tentang erosi, teknik konservasi tanah dan air, serta praktik perkebunan kelapa sawit yang ramah lingkungan dan berkelanjutan berbasis konservasi tanah dan air. Dengan penerapan sistem konservasi tanah dan air, pekebun sawit rakyat juga diharapkan dapat berhemat dari biaya pemupukan yang selama ini dianggap cukup besar untuk mendapatkan produksi yang optimal.
Pengaruh Kesegaran Tebu (Saccharum officinarum L.) pada Kualitas Gula Cetak Merah Harjanti, Ratna Sri; Hamami, Rahmi Sabrina; Kusumawati, Anna; Rizal, Azhari; Mustangin, Muhammad; Suryaningrum, Dwi Aryani; Yunaidi, Yunaidi
Jurnal Agro Industri Perkebunan Vol. 12 No. 1 (2024)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v12i1.3384

Abstract

To maintain sugarcane freshness, it is crucial to process it promptly after harvest. This study aims to analyze the quality of molded brown sugar derived from raw materials with varying levels of freshness. The research adopts a non-factorial design involving three main treatments: the duration of stay on the first, second, and third days, with three replications. Parameters observed during the molded brown sugar production process include brix, pol, purity, and reducing sugar from raw juice; brix, pol, purity, and reducing sugar from clear juice; color, brix, moisture content, and reducing sugar of sugar. Data analysis is performed using analysis of variance (ANOVA) with the application of Duncan's multiple range test. The purity value in raw juice data H1 with a value of 89.54 significantly differs from data H3 with a value of 73.83. Similarly, reducing sugar in raw juice H1 at 0.74 significantly differs from H3 at 0.93. The purity value in clear juice H1 at 88.34 significantly differs from H3 at 75.40. As for reducing sugar in clear juice, H1 at 0.81 is significantly smaller than H3 at 1.18. Regarding the difference between open-pan and close-pan cooking treatments, it is concluded that the cooking system producing the best molded brown sugar is the close-pan system, evident in both color results and the reduced sugar content of molded brown sugar. The best color for molded brown sugar is found in treatment H1 (day 1) with the close-pan system at 551.40. The lowest reducing sugar content is observed in treatment H1 (day 1) with the close-pan system at 0.94.
The Potentials of Bongkar Ratoon and Good Agricultural Practices (GAP) for Sugar Productivity and Self-Sufficiency in Indonesia Ghani, Mohammad Abdul; Wibowo, Dradjad Hari; Mahmudi; Harahap, Iman Yani; Kuswurjanto, Risvan; Widyasari, Titik; Permadhi, Danang; Indriawan, Pugar; Kusumawati, Anna; Nugroho, Reismaya Wanamertan
Sustainability Science and Resources Vol. 8 (2025): Sustainable Science and Resources
Publisher : The Indonesian Forestry Certification Cooperation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55168/ssr2809-6029.2025.8006

Abstract

To attain national sugar self-sufficiency by 2030, the Indonesian government has issued Presidential Regulation No. 40/2023 stipulating acceleration of sugar self-sufficiency and supplies of bioethanol as a biofuel. This paper discusses strategies and practical programs to increase productivity as mandated by the Presidential Regulation, using literature reviews and a gap analysis on secondary data obtained from four demo-plots involving plantation companies and farmers. With a land size ranging from 4.4 to 8.4 hectares, each demo-plot applied bongkar ratoon (replacing ratoon with plant cane) and other key components of sugarcane's Good Agricultural Practices (GAP). They include plant variety and maturity recomposition, correct and timely doses of fertilization and water management. The results show that bongkar ratoon and GAP raise productivity from around 5 tons of sugar/hectare to 8.73 - 20.14 tons of sugar/hectare. While the results show promising potentials, expanding the demo-plots into large scale plantations is not straightforward, requiring comprehensive strategies, programs and action plans, some of which are outlined in this paper for both Holding Perkebunan Nusantara's smallholder- and own-plantations.
ANALISIS SIFAT TANAH SEBAGAI DASAR PENGELOLAAN PERTANIAN BERKELANJUTAN DI WILAYAH GUNUNGKIDUL Widyatama, Adiprasetya; Pambayun, Lintang Panjali Siwi; Kusumawati, Anna
Fruitset Sains : Jurnal Pertanian Agroteknologi Vol. 13 No. 4 (2025): October: Ilmu Pertanian dan Bidang Terkait
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/fruitset.v13i4.6623

Abstract

This study aimed to assess the physical and chemical characteristics of soil at four different locations in Gunungkidul Regency, Yogyakarta Special Region, which are representative areas of dryland agroecosystems. The study locations included Sumberejo (Karangmojo), Bandung (Playen), Pringombo (Rongkop), and Gading (Playen). Parameters observed included moisture content, soil pH, soil consistency (dry and wet), specific gravity, organic matter content, and soil texture. The analysis results showed that the highest moisture content was found at Location 3 (8.30%), while the lowest was at Location 1 (6.25%). The soil pH ranged from 6.4–8.1, indicating a soil acidity level ranging from neutral to slightly alkaline. Soil consistency varied from slightly hard to very hard, and from sticky to very sticky under wet conditions. All locations had very high organic matter content, indicating good soil fertility potential. The soil texture was dominated by silt loam, which has a high water and nutrient storage capacity but requires proper aeration management. The results of this study are expected to form the basis for a strategy for sustainable dry land management in the Gunungkidul region.
DAMPAK POHON PENAUNG YANG BERBEDA TERHADAP PERTUMBUHAN TANAMAN KOPI Sihotang, Yosep Prada Agung; Kusumawati, Anna
Fruitset Sains : Jurnal Pertanian Agroteknologi Vol. 12 No. 3 (2024): August: Ilmu Pertanian dan Bidang Terkait
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/fruitset.v12i3.5444

Abstract

Basically, there are still many coffee farmers who don't know the benefits of planting shade plants, and don't know which types of shade plants are effective to plant to support coffee productivity. This research aims to determine the effect of shade plants on the vegetative growth of coffee plants. The research method used is RAK 1 factor, namely the type of shade plant for coffee plants, with two levels, namely sengon and mahogany shade plants. The parameters observed include the amount of litter, nitrogen (N) and carbon (C) content of the litter, nutrients N, Phosphorus (P), Potassium (K) in the soil, vegetative growth of coffee plants and microclimate (temperature, humidity and intensity of sunlight ). The collected data was analyzed using a T-test at 5% level and a correlation test. The results showed that there were no real differences in temperature and humidity in the two shelters, but there were real differences in light intensity. Plant height and diameter of coffee plants did not show significantly different results due to different shading, but the primary branches and secondary branches of coffee plants under the shade of sengon had significantly higher yields than coffee under the shade of mahogany. The amount of litter per week under the shade of sengon was greater and significantly different than under the shade of mahogany. The N and C content in sengon plant litter is higher than mahogany plant litter. Temperature has a correlation with humidity and light intensity and coffee stem diameter has a strong correlation with the primary and secondary branches of coffee plants. The soil N and P content under the shade of sengon plants was higher than under the shade of mahogany. Choosing the right shade plants greatly influences the plants cultivated.  
INTERAKSI JAMUR METARHIZIUM ANISOPLIAE DAN TANAH: PENGARUH TERHADAP KARAKTER KIMIA TANAH Kusumawati, Anna; Hartini; Rahma Lutfi Hanifah; Wispramono Budiman; Arif Rokhman
Agro Estate Vol 9 No 1 (2025): Juni 2025
Publisher : Institut Teknologi Sawit Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47199/jae.v9i1.322

Abstract

Salah satu agens hayati yang menjanjikan dan merupakan jamur entomopatogen yang mampu menginfeksi hama Oryctes rhinoceros yang merupakan hama utama dalam perkebunan kelapa sawit adalah Metarhizium anisopliae. Aplikasi APH jamur Metarhizium anisopliae dapat mempengaruhi karakteristik tanah. Tujuan dari penelitian ini menganalisa dampak pemberian jamur Metarhizium anisopliae pada sifat kimia tanah. Penelitian ini dilakukan pada bulan Januari hingga Mei 2023. Metode Penelitian yang digunakan adalah Rancangan Acak Kelompok (RAK) Non Faktorial dengan 5 perlakuan dan 2 ulangan. Parameter yang diambil antara lain : Kontrol (A0), 30 mL/ aplikasi (A1), 50 mL/aplikasi (A2), 70 mL/ aplikasi (A3), dan 90 mL/ aplikasi (A4). Parameter penelitian yang digunakan adalah pH tanah, C-Organik, N-total, P-Tersedia, K-Tersedia, KPK. Hasil pemberian jamur Metarhizium anisopliae pada semua perlakuan tidak menunjukkan beda nyata pada parameter pH tanah, C-Organik, N-Total, K- Tersedia dan Kapasitas Pertukaran Kation, tetapi menunjukkan beda nyata pada perlakuan P-Tersedia dengan hasil tertinggi pada A1 (30 ml).
Growth and Productivity of Sugarcane on Inceptisol and Vertisol Soils Lestari, Rina Puji; Alazis, Agus Eka; Kusumawati, Anna
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): in Progress
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i3.12129

Abstract

Sugarcane (Saccharum officinarum L.) productivity is strongly influenced by soil characteristics that affect plant growth and yield. This study aimed to compare the growth and productivity of sugarcane cultivated on Inceptisol and Vertisol soils and to identify growth parameters associated with productivity. The research was conducted from April to September 2019 in commercial sugarcane plantations located in Magelang Regency, Central Java (Inceptisol) and Kulon Progo Regency, Yogyakarta Special Region, Indonesia (Vertisol). A field survey was carried out using 54 sampling units consisting of Bululawang (BL) sugarcane cultivated under a fifth-ratoon production system and harvested at 12 months of age. Growth parameters observed included plant height, stem diameter, fresh stem weight, and productivity, while soil analyses included pH, available nitrogen, and soil moisture content. Data were analyzed using correlation analysis and independent sample t-tests at a 5% significance level after testing for normality (Shapiro–Wilk) and homogeneity of variance (Levene’s test). The results showed no significant differences in growth and productivity between sugarcane grown on Inceptisol and Vertisol soils. Soil pH and moisture content differed significantly between the two soil types, whereas available nitrogen content did not. Fresh stem weight exhibited the strongest association with productivity (r = 0.999), followed by stem diameter (r = 0.410). However, this relationship should be interpreted cautiously because sugarcane productivity is closely related to biomass accumulation and correlation does not imply causation. The findings indicate that fresh stem weight is the growth parameter most closely associated with sugarcane productivity. Improving soil fertility and implementing appropriate soil management practices are recommended to optimize sugarcane production in tropical environments.
Effect of Residual Blotong (Sugarcane Filter Cake) as Organic Matter on EarlyGrowth of Sugarcane (Saccharum officinarum L.) in Sandy Media Ardiansyah, Angga; Kusumawati, Anna; Siregar, Sutan Borohim
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): in Progress
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i3.12171

Abstract

Sandy soil is dominated by macropores, which causes low water-holding capacity and leads to rapid evaporation before plants can absorb the water. Since water availability is a key factor in plant growth and development, especially in supporting the photosynthesis process, improving soil water retention becomes essential. Applying organic matter has been shown to enhance soil physical properties, increase nutrient availability, and improve water retention within the root zone. This study was carried out to examine the effect of organic matter application on the early growth of sugarcane (Saccharum officinarum L.), as well as on soil pH, temperature, and moisture. Conducted from February 14 to June 6, 2023, at the Practice Field of Politeknik LPP Yogyakarta, the research employed a non-factorial Randomized Block Design (RBD) with two treatments, namely soil media with organic matter and soil media without organic matter, each consisting of 30 sugarcane plants of the Bululawang variety established through the bud set method. Parameters observed included plant height, stem diameter, leaf number, soil pH, temperature, and moisture, with data analyzed using a t-test and correlation analysis. Findings revealed that organic matter application significantly increased both plant height and stem diameter relative to the control. Plants grown in organic matter treated soil achieved an average height of 57.11 cm and stem diameter of 0.55 cm, compared to 31.95 cm and 0.45 cm in the control group. Leaf number was likewise greater in the organic matter treatment (4.00 leaves) than in the control (3.09 leaves), though this difference was not statistically significant. Correlation analysis further showed that soil temperature was positively associated with plant growth, whereas soil moisture had a negative correlation with plant height. Taken together, these results indicate that organic matter application improved overall soil conditions and promoted better early vegetative growth in sugarcane.
Growth and Biomass Accumulation of Mucuna bracteata in Response to Rhizobium sp Biofertilizer Dosages as Legume Cover Crop in Oil Palm Plantation Siregar, Romi Dongoran; Kusumawati, Anna; Fiqi, Muhammad
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): in Progress
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i3.12200

Abstract

Effective ground-cover management in oil palm plantations is essential for limiting soil erosion, suppressing weed growth, and sustaining soil fertility. Among available options, the legume cover crop (LCC) Mucuna bracteata stands out for its fast growth rate and its ability to fix atmospheric nitrogen biologically through a symbiotic relationship with Rhizobium sp. This study was designed to identify the most effective dose of Rhizobium sp biofertilizer for supporting the growth and biomass accumulation of Mucuna bracteata as an LCC in oil palm plantations. It was carried out in the practice garden of Politeknik LPP Yogyakarta, located in Wedomartani, between April and June 2022, applying a non-factorial Randomized Block Design (RBD) that consisted of four treatment levels (0, 2, 8, and 15 g/polybag) with three replicates each, yielding a total of 12 experimental units. The resulting data were subjected to ANOVA, and treatment means were compared through the Least Significant Difference (LSD) test at a 5% significance threshold. The analysis revealed that Rhizobium sp biofertilizer application had a significant effect on every parameter examined. Among the treatments, the 15 g/polybag dose (R3) delivered the highest nodulation and biomass values, with root nodule counts reaching 19.22, nodule weight of 1.93 g, fresh shoot weight of 36.97 g, dry shoot weight of 9.16 g, fresh root weight of 14.01 g, and dry root weight of 2.03 g. At seven weeks after planting, plant height (150.00 cm) and leaf count were significantly greater than the untreated control (142.00 cm; 30.56 leaves), although no significant differences were detected among the biofertilizer dose levels themselves. Taken together, these results support applying Rhizobium sp biofertilizer at 15 g/polybag to optimize the establishment of Mucuna bracteata as an LCC within oil palm nursery systems.
Influence of Rainfall and Fire Caterpillar on Oil Palm Yield at Tor Gamba Fahmi, Yudi; Kusumawati, Anna; Siregar, Sutan Borohim
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): in Progress
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i3.12224

Abstract

As a strategic plantation commodity, oil palm (Elaeis guineensis Jacq.) plays a crucial role in supporting Indonesia's national economy, yet its productivity is strongly influenced by climatic variability and pest pressure, particularly fire caterpillar (Limacodidae) attacks that damage foliage and reduce photosynthetic capacity. This study aimed to analyze the relationships between annual rainfall, fire caterpillar attack intensity, and fresh fruit bunch (FFB) productivity at PT Perkebunan Nusantara III Tor Gamba I Plantation over a five-year period (2012–2016; n = 5 annual observations). A quantitative observational-correlational design was applied using secondary archival data on rainfall (mm/year), pest attack intensity (mean larvae per frond), and FFB yield (kg/ha/year). Pearson correlation and paired T-tests were conducted at a 5% significance level (df = 3; T-table = 2.78). Rainfall showed a very strong positive correlation with FFB productivity (r = 0.95; T-count = 9.34) and a very strong negative correlation with fire caterpillar attack intensity (r = 0.98; T-count = 12.96), indicating that higher rainfall suppressed pest population growth. Furthermore, pest attack intensity had a very strong negative correlation with FFB productivity (r = 0.97; T-count = 9.83). The small sample size (n = 5) constrains statistical power and limits causal inference; results should be interpreted as descriptive associations. Nevertheless, findings suggest that rainfall monitoring could support early warning systems for pest outbreaks and inform integrated pest management strategies for oil palm plantations.
Co-Authors Alazis, Agus Eka Angga Ardiansyah Arif Rokhman Fahmi, Yudi Fiqi, Muhammad Ghani, Mohammad Abdul Hamami, Rahmi Sabrina Harahap, Iman Yani Hartini HEMON, M TUFAILA Indriawan, Pugar Kuswurjanto, Risvan Leomo, Sitti MAHMUDI Mustangin, Muhammad Nugroho, Reismaya Wanamertan Pambayun, Lintang Panjali Siwi Perkasa, Muh. Alwis Arya Permadhi, Danang Rahma Lutfi Hanifah Ratna Sri Harjanti Rina Puji Lestari, Rina Puji Rizal, Azhari Rustam, La Ode Sihotang, Yosep Prada Agung Siregar, Romi Dongoran Siregar, Sutan Borohim Sitti Fatimah Suleman, Darwis Suryaningrum, Dwi Aryani SYAMSU ALAM Titik Widyasari, Titik Wibowo, Dradjad Hari Widyatama, Adiprasetya Wispramono Budiman yunaidi yunaidi Yusuf, Dewi Nurhayati