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All Journal Jurnal Agroplasma
Br Sitepu, Sri Mahareni
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Agriculture, Biological Sciences & Forestry

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Pertumbuhan dan Produksi Tanaman Bawang Merah Varietas Super Philips Terhadap Pemberian POC Daun Kelor Harahap, Ariani Syahfitri; Luta, Devi Andriani; Br Sitepu, Sri Mahareni
JURNAL AGROPLASMA Vol 9, No 2 (2022): AGROPLASMA VOL 9 NO 2
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v9i2.3332

Abstract

The purpose of this study was to observe the growth and production of the Super Philips variety of shallots against the administration of Moringa leaf POC. The study was conducted in Klambir Lima Village, Hamparan Perak District, Deli Serdang Regency, North Sumatra Province with an altitude of ± 25 meters above sea level. This research was conducted from January to April 2022. The research method used was a single factor Randomized Block Design (RAK). These factors consisted of 4 treatments, namely: K0 (control), K1 (200 ml/liter water/plot), K2 (400 ml/liter water/plot) and K3 (600 ml/liter water/plot). Parameters observed were plant height, number of tillers, number of leaves, number of tubers per sample, tuber diameter, wet weight of sample per sample, and wet tubers per plot. The data obtained were analyzed using analysis of variance. If the results of the analysis of varieties have a significant difference at = 5%, then proceed with the DMRT test (Duncan Multiple Range Test). The results showed that the best concentration of Moringa leaf POC was 200 ml/liter of water/plot. Keywords: shallots, Super Philips, POC, Moring
Aplikasi Pupuk Hayati Pelarut Fosfat dalam Upaya Peningkatan Pertumbuhan dan Produksi Beberapa Varietas Tanaman Kedelai (Glycine max L.) Girsang, Rosmaria; Br Sitepu, Sri Mahareni; Kurniawan, Rizki
JURNAL AGROPLASMA Vol 11, No 2 (2024): JURNAL AGROPLASMA VOLUME 11 NO 2 TAHUN 2024
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v11i2.6139

Abstract

Soybean is a plant that has a significant role in responding to food needs and improving people's nutrition because it is an economically affordable source of vegetable protein when compared to other protein sources such as meat, milk and fish. The use of superior seed varieties and supported by the use of appropriate fertilizer also has a very important role in the continued growth of soybean plants. This research used a Randomized Block Design (RAK) with 2 factors and 3 replications to obtain 36 research plots. Factor I Biological Fertilizer (H) which consists of 4 levels, namely: H0 = 0 ml/liter.air/plant, H1=10 ml/ liter.air /polybag, H2=20 ml/ liter.air/polybag, H3= 30 ml/ liter. water/polybag. Factor II Soybean Variety (V) which consists of 3 levels, namely: V1 = Dega 1 Variety, V2 = Ring 1 Variety, V3 = Devon 1 Variety. The results showed that the use of biological fertilizer had no significant effect on all observed parameters, whereas The use of varieties has a very significant effect on all observed parameters. Keywords: soybean, fertilizer, varieties
Efektifitas Lama Perendaman ZPT Ekstrak Daun Kelor dan Kombinasi Media Tanam Terhadap Panjang Akar Bibit Kopi Robusta (Coffea canephora var. robusta) Br Sitepu, Sri Mahareni; Zamriyeti, Zamriyeti; Luta, Devi Andriani; Syahfitri, Windi Ely
JURNAL AGROPLASMA Vol 11, No 2 (2024): JURNAL AGROPLASMA VOLUME 11 NO 2 TAHUN 2024
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v11i2.6293

Abstract

Coffee beans are covered in a hard shell so they take a long time to germinate. The length of germination time will affect coffee growth and production. To speed up the germination of coffee beans, growth regulators can be used. Apart from that, the growth of coffee plants can also be influenced by the planting media used to live and obtain nutrients. This research used a Complete Randomized Block Design (RAK) with 2 factors and 3 blocks to obtain 36 research plots. Factor 1: soaking time for growth regulators in Moringa leaf extract (T) consisting of 4 levels: T0: 0 hours, T1: 6 hours, T2: 12 hours, T3: 18 hours. Factor 2: The combination of planting media denoted by (M) consists of 4 levels: M0: topsoil, M1: topsoil + rice husk charcoal + goat dung (2:1:1), M2: topsoil + charcoal rice husks + chicken manure (2:1:1). The research results showed that the soaking time for the growth regulator, Moringa leaf extract, did not have a significant effect on the root length of Robusta coffee plants, but the combination of planting media had a significant effect on the root length of Robusta coffee plants. Keywords : robusta coffee, live and obtain nutrients, moringa leaf
Co-Authors Girsang, Rosmaria Harahap, Ariani Syahfitri Luta, Devi Andriani Rizki Kurniawan, Rizki Syahfitri, Windi Ely Zamriyeti, Zamriyeti