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Study of Microclimate of Pepper (Piper nigrum L.) in various Agroforestry Systems Sanjaya, Refki; Pangestika, Padhina
International Journal of Agriculture System VOLUME 12 ISSUE 2, DECEMBER 2024
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v12i2.4774

One of Indonesia's centres of pepper plant yields is Lampung Province. The productivity of the pepper is decreasing. Pepper productivity is declining, so selecting the right crop system, according to the needs of the microclimate of pepper plants, is needed to produce optimal productivity. This research aims to study the microclimate variations of several agroforestry systems, analyze the relationship of microclimate productivity, determine the ideal type, and evaluate the level of pepper productivity in various systems. This research was conducted in Aji Kagungan Village, Abung Kunang District, North Lampung Regency, at 450-1500 meters above sea level in January-April 2019. The research method used was survey purposive sampling, which considered the uniformity of the age of pepper plants and differences in the types of vegetation that make up the system. The data observed were microclimate, land condition, and productivity of pepper plants. Data was collected on five types of systems divided into four zones. Each zone has four observation points, observations were made 8 times with an interval of 10 days. The results showed that the determinants of microclimate diversity of pepper agroforestry systems were canopy area, density, frequency, and vegetation. In contrast, the magnitude of sunlight transmission, temperature, and humidity in pepper agroforestry systems was influenced by vegetation characteristics. The form of relationship formed by the transmission of sunlight and air temperature is positive linear, while the humidity of the air forms a negative linear relationship to the productivity of pepper plants in the agroforestry system tested while of the five types of agroforestry systems tested. Type 5 is the ideal pepper agroforestry system. Where the microclimatic conditions formed by Type 5 can produce the highest pepper productivity among other system types

Kajian Waktu Penyadapan yang Tepat dalam Memaksimalkan Produktivitas Lateks Pada Beberapa Klon Tanaman Karet (Hevea brasiliensis) Sanjaya, Refki; Safitri, Novi; Adimiharja, Jamaludin; Kadafi, Muamar; Effendi, Mokhtar
AgriMalS Vol 5 No 1 (2025): Volume 5 Nomor 1 Tahun 2025
Publisher : Universitas Muhammadiyah Kotabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/agrimals.v5i1.1668

Tanaman karet (Hevea brasiliensis) merupakan komoditas penghasil lateks yang penting dalam industri perkebunan di Indonesia. Produksi lateks merupakan proses yang sangat dipengaruhi oleh banyak faktor, diantaranya adalah waktu penyadapan yang tepat dan klon tanaman karet yang digunakan. Kedua faktor ini sangat penting dalam menentukan kuantitas dan kualitas lateks yang dihasilkan dari tanaman karet. Penyadapan yang dilakukan pada waktu yang tidak tepat dapat mengurangi hasil lateks yang diperoleh, sementara pemilihan klon yang tidak sesuai dengan kondisi iklim dan lingkungan juga dapat memengaruhi produktivitas secara keseluruhan. Penelitian ini bertujuan untuk menentukan waktu penyadapan yang tepat pada beberapa klon tanaman karet di Indonesia, dengan fokus pada memaksimalkan hasil volume lateks. Metode penelitian ini menggunakan desain penelitian eksperimental dengan menggunakan rancangan acak kelompok (randomized block design) pada variasi waktu penyadapan yang berbeda sebagai perlakuan. Tanaman karet yang yang digunakan adalah klon PR300 dan PB260. Setiap klon dievaluasi waktu penyadapan yang berbeda-beda, yaitu pukul 03:30 WIB., 05:00 WIB dan 06:30 WIB. Parameter yang diamati yaitu kecepatan aliran lateks per satuan waktu dan volume lateks dengan satuan volume per pohon per rotasi penyadapan. Data yang terkumpul dianalisis menggunakan analisis of varian (ANOVA) kemudian dilanjutkan dengan uji beda nyata terkecil BNT pada taraf 5%. Hasil penelitian menunjukan waktu penyadapan yang terbaik untuk menghasilkan produktivitas yang optimal adalah pukul 05.00 WIB untuk klon PR300 dan PB260.

UJI ADAPTASI LINGKUNGAN DENGAN BERBAGAI MACAM MULSA ORGANIK PADA TANAMAN TEMBAKAU (Nicotiana tabacum L.) VARIETAS BESUKI NA OOGST Widiyani, Dimas Prakoswo; Sanjaya, Refki; Nataris, Galuh Bintang; Anissa, Nabillah; Soleha, Soleha; Ningsih, Eka Wahyu
JURNAL AGROTROPIKA Vol. 24 No. 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.10229

Tobacco (Nicotiana tabacum L.) is an important commodity in the Indonesian economy, but plant growth and production are often hampered by environmental factors such as climate change and suboptimal soil conditions. Organic mulch can be a solution to improve soil quality and support plant growth in adapting climate change. This study aimed to test the effect of various types of organic mulch on the growth and production of Besuki Na-Oogst tobacco plants in Lampung Province. The study was conducted at the Lampung State Polytechnic from September to December 2024 using a Randomized Block Design (RBD) with various types of organic mulch treatments (sengon litter, cogongrass, and oil palm empty bunches) and analyzed using analysis of variance at the 5% level and continued with the Duncan multiple ring test (DMRT) 5%. The results showed that Palm oil empty fruit bunch mulch gave the best results, with an average dry stalk reaching 248.4 grams per stem, an average plant height reaching 101.8 cm, and an average number of leaves of 15.0 leaves at 3-month plant age observation, better than the control. However, the use of organic mulch did not show a significant difference in stem diameter, the impact was more visible in other components such as the number of leaves and dry stalk.

Peran Praktek Agroforestri Kopi terhadap Iklim Mikro dan Sifat Fisik Tanah di Desa Lanjan Jawa Tengah Effendi, Mokhtar; Ash Shidiqi, Moh Hasbi; Nurmala Sari, Eka; Arafat, Septrial; Sanjaya, Refki
AgriMalS Vol 5 No 2 (2025): Volume 5 Nomor 2 Tahun 2025
Publisher : Universitas Muhammadiyah Kotabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/agrimals.v5i2.1891

The increase in the earth's temperature causes extreme climate change which affects the microclimate around plants. Practice of agroforestry is increasingly recognized as an effective land management system that integrates forestry species with agricultural crops to enhance ecological and economic functions. This study focuses on evaluating the role of coffee-based agroforestry practices on microclimate elements and soil physical properties in Lanjan Village, Central Java. The research is driven by the need to understand how shade trees in agroforestry systems influence environmental conditions and support sustainable agriculture, particularly in coffee cultivation. A field-based experimental approach was employed, involving observations and measurements of microclimatic parameters (temperature and humidity) and soil physical characteristics (bulk density). The formulated hypothesis posits that agroforestry practices significantly alter the microclimate and physical characteristics of the soil. The findings confirm that agroforestry has a substantial impact on shaping key microclimatic elements, notably by reducing ambient air temperature and increasing air humidity under tree shade. Additionally, the system exhibits a statistically significant influence on bulk density, indicating an improvement in soil structure and potential for enhanced fertility. Overall, the research highlights that agroforestry systems not only support crop productivity but also contribute positively to microclimate regulation and soil physical health. These insights underscore the importance of integrating shadeas a sustainable land management strategy, particularly in regions experiencing climate variability and soil degradation.

Study of Microclimate of Pepper (Piper nigrum L.) in various Agroforestry Systems Sanjaya, Refki; Pangestika, Padhina
International Journal of Agriculture System VOLUME 12 ISSUE 2, DECEMBER 2024
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v12i2.4774

One of Indonesia's centres of pepper plant yields is Lampung Province. The productivity of the pepper is decreasing. Pepper productivity is declining, so selecting the right crop system, according to the needs of the microclimate of pepper plants, is needed to produce optimal productivity. This research aims to study the microclimate variations of several agroforestry systems, analyze the relationship of microclimate productivity, determine the ideal type, and evaluate the level of pepper productivity in various systems. This research was conducted in Aji Kagungan Village, Abung Kunang District, North Lampung Regency, at 450-1500 meters above sea level in January-April 2019. The research method used was survey purposive sampling, which considered the uniformity of the age of pepper plants and differences in the types of vegetation that make up the system. The data observed were microclimate, land condition, and productivity of pepper plants. Data was collected on five types of systems divided into four zones. Each zone has four observation points, observations were made 8 times with an interval of 10 days. The results showed that the determinants of microclimate diversity of pepper agroforestry systems were canopy area, density, frequency, and vegetation. In contrast, the magnitude of sunlight transmission, temperature, and humidity in pepper agroforestry systems was influenced by vegetation characteristics. The form of relationship formed by the transmission of sunlight and air temperature is positive linear, while the humidity of the air forms a negative linear relationship to the productivity of pepper plants in the agroforestry system tested while of the five types of agroforestry systems tested. Type 5 is the ideal pepper agroforestry system. Where the microclimatic conditions formed by Type 5 can produce the highest pepper productivity among other system types

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