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Jurnal Agroplasma
Published by Universitas Labuhanbatu
ISSN : 23032944     EISSN : 2715033X     DOI : 10.36987
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroplasma pertama kali didirikan dengan nama Jurnal Agroplasma STIPER Labuhanbatu tahun 2014 oleh Program studi Agroteknologi, Universitas Labuhanbatu. Jurnal Agroplasma merupakan media publikasi tulisan asli yang berkaitan dengan Agroteknologi secara luas. Melakukan penerbitan dua (2) kali dalam setahun, yaitu setiap bulan Mei dan Oktober.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 355 Documents
 9   10   11   12   13 
Genesa Tanah yang Berkembang pada Puncak Gunung Sumbing Hizkia Setya Simangunsong; Djoko Mulyanto; Partoyo Partoyo
JURNAL AGROPLASMA Vol 9, No 1 (2022): AGROPLASMA VOL 9 NO 1
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v9i1.2679

Abstract

The process of forming soil at the top of the cleft mountain is an attractive polygenesis phenomenon observed. Genesis and soil classification can be used as a reference for land management and the environment in the observer area. The purpose of the study was to determine the process of genesis and the classification of land. The research was conducted descriptive method and survey, namely field analysis for morphology and environmental circumstances, then laboratory analysis included H2O pH, NAF, C-organic, KPK and Kesan and Kesan (CA, MG, K, and NA), alkaline saturation, retention-p , land texture, and mineral sand fraction. The results of the study show that the soil that developed on the summit of the cleft mountain is an undeveloped soil which is further marked by high-weathered minerals, based on the classification of land according to the USDA taxonomy is Acrudoxic Ultic Hapludands, according to the national land classification is Andosol Umbrik and according to the World Reference Base for Soil Resources Andosols Umbric Thixotropic. Land experienced polygenesis with the presence of Buried Soil and having had weather weathering was still low due to low temperatures. Keywords: genesis, mount Sumbing, soil classification, soil formation
Pemberian Pupuk Urea dan Pupuk Kandang Lembu Terhadap Pertumbuhan dan Produksi Tanaman Sawi Hijau (Brassica Juncea L.) Harahap, Fitra Syawal; Sagala, Febri Khoiri
JURNAL AGROPLASMA Vol 9, No 1 (2022): AGROPLASMA VOL 9 NO 1
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v9i1.2696

Abstract

The application of urea and cow manure on ultisol soil for mustard greens (Brassica Juncea L) aims to determine the treatment of cattle fertilizer on increasing leaf area, root volume and plant fresh weight. as well as the interaction of giving oxen fertilizer (t/ha) and urea fertilizer to mustard greens. This research was conducted in N4 Village with a height of 18 meters above sea level in Labuhanbatu Regency from December 2020 to March 2021. The study will be conducted with a factorial group design. The first factor is the provision of factorial Randomized Block Design (RAK) which consists of 2 factors, the first factor is Ox manure (K) which consists of 3 levels and the second factor is the provision of Urea fertilizer which consists of 2 dose levels, so that 6 treatment combinations are obtained. - 4 replicates each, resulting in 24 plots. Each plot consisted of 25 plants and 5 plants were taken as samples. Parameters observed were plant height (cm), number of leaves (strands), leaf area (cm2), root volume (ml) and plant fresh weight (g). The data obtained from the results of the study were statistically analyzed by means of variance and continued with the Duncan's New Multiple Range Test (DNMRT) at a level of 5%. The results of the study. urea dose of 100 kg/ha was able to produce an increase in leaf area, root volume and plant fresh weight. As well as the interaction of the application of ox-fertilizer (t/ha) and urea fertilizer gave a significant effect on the parameters of leaf area, root volume and plant fresh weight.
Pengaruh Aplikasi Giberelin (Ga3) Terhadap Perubahan Mutu Fisik Tandan Buah Segar Kelapa Sawit (Elaeis Guineensis Jacq) Manurung, Saroha; Roosmawati, Febriana; Yosephine, Ingrid Ovie; Kaharuddin, Kaharuddin
JURNAL AGROPLASMA Vol 9, No 1 (2022): AGROPLASMA VOL 9 NO 1
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v9i1.2741

Abstract

Physical damage to the fruit affects the quality of Crude Palm Oil (CPO) of palm oil. Gibberellin (GA3) is known as a growth hormone that is able to extend cells and is widely usedin maintaining the shelf life of several types of fruits. This study aims to study the effect of gibberellin dosage, the effect of gibberellin application on the physical quality of oil palm freshfruit bunches. The research was carried out at the North Julok Rayeuk Garden, PT. Perkebunan Nusantara I. The research period was 10 days, in March 2021. This study used a non-factorial Randomized Block Design (RAK) method and 6 replications with a total of 2 samples and a total sample of 48 samples. Parameter testing is compiled on a list of variances and statistical analysis is carried out which tests the average difference with Analysis of Variance (ANOVA) then further tests are carried out using Duncan's Multiple Range Test (DMRT) at 5% level. The results showed that the treatment dose of Gibberellin G1 (15 ml/L water) had a significant effect on reducing fruit loss and had no significant effecton the value of freefatty acids. Keywords: Elaeis guineensis Jacq,Gibberellins(GA3),physical quality
Pemanfaatan Ameliorasi dari Biochar Sekam Padi dalam Meningkatkan Kesuburan Tanah di Lahan Bekas Tambang Batubara Septyani, Ika Ayu Putri; Hamdi, Fadil Hukama
JURNAL AGROPLASMA Vol 9, No 1 (2022): AGROPLASMA VOL 9 NO 1
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The utilization of ex-mining land for agricultural extensification is an opportunity to solve the problem of food and the environment. One way to improve the soil quality of ex-mining land is by providing organic matter from agriculture waste are biochar and cow manure formulation. The study aimed to determine the effect of the use of several organic matter formulations to improve the soil quality of Sawahlunto ex-mining coal land. This research was conducted at Agriculture Experiment Station, Andalas University, Padang. This research consisted of four formulations of organic matter (A = control, B = cow manure, C = Rice husk biochar, D = Rice husk biochar + Cow manure) with five replications. The treatment units were allocated based on Randomized Complete Design (RCD). The results showed that the application of rice husk biochar and cow manure can improve the soil quality of ex-mining coal land, especially pH value and CEC. Increasing of CEC and pH was support macronutrient availability such as, available P, N, K, Ca, Mg and Na. The addition of organic matter from cow manure plus rice husk biochar gave the best value to improving the chemical properties of ex-mining coal land. So, cow manure and biochar combination is the first recommendation to improve the chemical properties of ex-mining coal land to support sustainable agriculture.Keywords : biochar, cow manure, ex-mining coal, soil quality
Pengaruh Penggunaan Sarana Produksi Terhadap Pendapatan Usahatani Jagung (Zea mays L.) (Kasus : Desa Sei Mencirim, Kec. Sunggal, Kab. Deli Serdang) Hakim, Mukti; Lisdayani, Lisdayani
JURNAL AGROPLASMA Vol 9, No 1 (2022): AGROPLASMA VOL 9 NO 1
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v9i1.2714

Abstract

Currently, the demand for corn in Indonesia is quite large, which is more than 10 million tons of dry shells per year. The largest consumption of corn is for the food and animal feed industry, because as much as 51% of the raw material for animal feed is corn. To increase the amount of production must be influenced by several factors. One of the main factors is the use of appropriate production facilities. Agricultural production facilities are all types of agricultural equipment, equipment and facilities that function as the main or auxiliary tools in the implementation of agricultural production. Production facilities play an important role in achieving production in accordance with the desired goals. The purpose of this study was to analyze the availability of agricultural production facilities in Sunggal District, Deli Serdang Regency. The research area was determined by purposive sampling, namely deliberately based on certain considerations and objectives in Sei Mencharim Village, Sunggal District, Deli Serdang Regency, which is a corn production area. Research from October to December 2021. The results of the multicollinearity assumption test, it can be seen that the means of production of Seeds (X1) has a VIF value of 4.113 which is smaller than 10, Fertilizer (X2) has a VIF value of 1.983 which is smaller than 10, and Pesticides ( X3) has a VIF value of 4.130 which is smaller than 10. The tolerance value of the Seed production facility (X1) has a tolerance value of 0.243 which is greater than 0.1, Fertilizer (X2) has a tolerance value of 0.504 which is greater than 0, 1, and Pesticides (X3) of 0.242 which is greater than 0.1. 2. The average total production costs incurred by corn farmers in one planting season with a land area of 1 ha is Rp 19,440,440, revenue is Rp 35,641,406 and income is Rp 16,200,966. Keywords : production facilities, farming, corn
Kelimpahan Serangga Pada Berbagai Perangkap Dengan Beberapa Teknik Pengendalian Berbeda Pada Pertanaman Jagung Pioneer 36 Iswara, Dana; Afifah, Lutfi; Abadi, Slamet; Prabowo, Dwi Priyo; Irfan, Budi; Widiawan, Aditya Bagus
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.v9i2.3173

Abstract

Serangga hama adalah hewan yang dapat menyebabkan kerugian pada petani. Pengendalian serangga hama dapat menggunakan aplikasi pestisida ataupun menggunakan perangkap. Tujuan dari penelitian ini adalah untuk mengetahui kelimpahan serangga pada masing masing perangkap terhadap beberapa teknik pengendalian berbeda. Metode eksperimental yang digunakan yaitu dengan menggunakan Rancangan Acak Kelompok (RAK) faktor tunggal, terdapat 6 ulangan dan 4 perlakuan yang terdiri dari : Pengendalian  Sintetik (PS),Pengendalian Kombinasi (PK), Pengendalian Biointensif (PB), dan Kontrol (K). Pengambilan sampel serangga dilakukan sebanyak 13 kali pada 1-13 mst dengan menggunakan 3 jenis perangkap yaitu lubang jebakan (pitfall trap), perangkap kuning lengket (yellow sticky trap) dan jaring serangga (sweep net). Data yang didapatkan dianalisis dengan sidik ragam, dan apabila hasilnya berbeda nyata dilanjut dengan uji Beda Nyata Terkecil (BNT) pada taraf 5 %. Hasil penelitian menunjukan kelimpahan tertinggi terdapat pada petak kontrol (26.935 individu) dan terendah pada pengendalian  sintetik (15.788 Individu). Pengendalian sintetik berbeda nyata dengan pengendalian biointensif, pengendalian kombinasi dan kontrol pada rerata kelimpahan keseluruhan,  yellow sticky trap dan pada rerata kelimpahan pitfall trap pengendalian biointensif tidak berbeda nyata dengan perlakuan pengendalian sintetik tetapi berbeda nyata dengan pengendalian kombinasi dan kontrol. Pada sweep net mengahasilkan tidak berbeda nyata untuk semua pengendalian akan tetapi pengendalian sintetik memberikan rerata kelimpahan terendah yaitu 481.33 individu. Pada yellow sticky trap memberikan kelimpahan tertinggi yaitu 69.239 individu dibandingkan pitfall trap (9.835 individu) dan sweep net (14.347 individu). Hal ini menunjukan penggunaan pestisida sintetik mampu menurunkan kelimpahan serangga. Kata Kunci : Kelimpahan, Pengendalian, Perangkap, Serangga
Pertumbuhan dan Produksi Sistem Tumpangsari Rumput Odot (Pennisetum purpureum cv. Mott) dan Ubi Jalar Ungu (Ipomea batatas L. var Antin 3) pada Jarak Tanam yang Berbeda Nur Aini; Sutarno Sutarno; Sumarsono Sumarsono
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.v9i2.2870

Abstract

The research was conducted to examine the effect of planting distances of odot grass and purple sweet potato and their interaction to the growth and production. The research was carried out March until August 2021 at Kalongan Village, East Ungaran District, Semarang Regency. The research was used the 2 × 4 factorial experiment with Randomized Block Design of three block replicatin. The first factor is 2 levels of odot grass planting distance T1: 90 × 60 cm and T2: 90 × 45 cm. The second factor is the 4 levels planting distance of purple sweet potatoes V1: 90 × 30 cm, V2: 90 × 40 cm, V3: 90 × 50 cm and V4: 90 × 60 cm. Research parameters the odot grass include plant height, number of saplings, and production of dry matter, in purple sweet potatoes include the length of tendrils, the number of tubers, the production of tuber dry matter, and the production of dry matter. The data processed by the analysis of variance and Duncan Multiple Range Test at 5% level. The results showed that the effect of planting distances of odot grass and purple sweet potatoes had not significant to the growth of odot grass and the growth and production of purple sweet potatoes, but had significant (P<0.05) to dry matter the production odot grass. The planting distance of odot grass at 90 × 45 cm was significant (P<0.05) higher than 90 × 60 cm, and the purple sweet potatoes planting distance of 90 × 60 cm was significant (P<0.05) highest than the treatment of 90 × 40 cm and 90 × 50 cm. Keywords : antin 3, intercropping, odot grass, planting distance,  purple sweet potato.
Dampak Pengelolaan Sawah Secara Organik Lebih Dari Lima Tahun Terhadap C-Organik Tanah dan Ketersediaan Ammonium Mufriah, Dini
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.v9i2.3336

Abstract

This study aims to examine the availability of soil organic C, availability of ammonium and the dynamic pattern of organic C in organically managed paddy soils for 8 to 10 years at three different lowland rice locations in Yogyakarta. The research was conducted using survey techniques and descriptive methods. The results showed that paddy fields that were given organic fertilizer for 8-10 years had higher organic C than non-organic paddy fields, namely an average of 2.10-2.70%. In organically managed paddy soils also showed a significant positive relationship between soil organic C and NH4+-dd in MS paddy soils containing clay minerals 1:1 (r= 0.71) and NK paddy soils (r= 0 .64) and PB (r= 0.77) which were dominated by clay minerals 2:1. The correlation was not significant in the non-organic managed paddy fields. Keywords ：paddy soils, organic C,NH4+-dd
Morfologi dan Aktifitas Makan Larva Spodoptera frugiperda (Lepidoptera: Noctuidae) pada Beberapa Inang Tanaman Pangan dan Hortikultura Firman Putra Irawan; Lutfi Afifah; Tatang Surjana; Budi Irfan; Dwi Priyo Prabowo; Aditya Bagus Widiawan
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.v9i2.3166

Abstract

Ulat grayak (Spodoptera frugiperda) merupakan salah satu spesies jenis serangga invasif yang menyebabkan kehilangan hasil tanaman pangan khususnya tanaman jagung. Tanaman yang dapat menjadi inang bagi hama S. frugiperda yaitu terdapat 83 spesies dari 23 famili tanaman. Penelitian ini bertujuan untuk mengetahui kesesuaian inang S. frugiperda terhadap beberapa jenis tanaman inang. Metode yang digunakan adalah metode eksperimen dengan Rancangan Acak Lengkap (RAL) faktor tunggal yang terdiri dari 4 perlakuan dalam 5 kali ulangan; A (daun jagung var. Pioner 27), B (daun kacang tanah var. Bison), C (daun Pakcoi var. Nauli), D (daun kangkung var. Laris). Data dianalisis menggunakan analisis ragam dan uji lanjut LSD (Least Significant Different) pada taraf 5%. Hasil percobaan menunjukkan bahwa pemberian beberapa jenis tanaman inang pangan dan hortikultura memberikan pengaruh yang berbeda nyata terhadap rata-rata bobot tubuh larva S. frugiperda pada instar 6 dengan kisaran bobot tubuh 0,14 – 0,33 g. Pemberian beberapa jenis tanaman inang memberikan pengaruh tidak berbeda nyata terhadap bobot tubuh larva instar 2 dengan kisaran bobot 0,10 - 0,13 g dan larva instar 4 dengan kisaran bobot 0,05 – 0,09 g. Pemberian beberapa jenis tanaman inang memberikan pengaruh tidak berbeda nyata terhadap  panjang tubuh larva  instar 2 dengan kisaran 0,63 - 0,75 cm, larva instar  4 dengan kisaran panjang 1,77 - 1,87 cm dan larva instar 6 dengan kisaran panjang 2,37 - 2,53. Hasil percobaan aktifitas makan menunjukkan aktifitas makan yang lebih aktif pada perlakuan daun jagung dan perlakuan daun pakcoy pada instar 3 dan instar 4 pada jam ke-1 dan jam ke-2 setelah pemberian pakan.Kata Kunci: Spodoptera frugiperda, Jagung, Kacang Tanah, Pakcoi, Kangkung
Peningkatan Pertumbuhan Bibit Kopi Arabica (Coffea arabica) terhadap Lama Perendaman Ekstrak Bawang Merah dan Perbandingan Beberapa Media Tanam Refnizuida Refnizuida; Zamriyetti Zamriyetti; Linda Yusnita Siagian; Rohan Syahrizal Tambunan
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.v9i2.3334

Abstract

Coffee is one of the most important commodities in the world and ranks second after crude palm oil (CPO). One of the efforts that can be done to increase coffee production is to improve the quality of seeds. There are many obstacles in this effort because coffee needs to use several ways to speed up germination. One of the characteristics of coffee that makes it difficult to germinate is that the seeds are slimy and hard, this can be overcome by using onion extract. This study used a Randomized Block Design (RAK) with 2 factors and 2 blocks to obtain 32 research plots. Factor I. . The soaking time of the shallot extract (B) consists of 4 levels, namely: B0 : 0 without soaking, B1 : 3 hours, B2: 6 hours, B3 :9 hours. Factor II. Comparison of planting media with the symbol (K) which consists of 4 levels, namely: K0: topsoil, K1: compost, K2: compost + cow dung fertilizer (1:1), K3: compost + cow dung + husk charcoal. (1:1: 1). The research procedure consisted of Making Shallot Extract, Making Coffee Skin Compost, Making Cow Manure Organic Fertilizer, Analysis of Coffee Skin Compost, Analysis of Cow Manure Organic Fertilizer, Selection of Coffee Seeds, Stages of Seedling, Duration of Soaking Red Onion Extract, Stage of Sowing Coffee Beans, Determination of Sample Plants, Maintenance. Keywords : Coffee, Extract, Onion, Compost

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