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Alex Rikki
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Journal of Agrotechnology and Sustainability
Published by Universitas Katolik Santo Thomas
ISSN : -     EISSN : 29861454     DOI : 10.54367
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal AGROSUSTAIN diterbitkan oleh Fakultas Pertanian Universitas Katolik Santo Thomas Medan bekerjasama dengan LPPM Universitas Katolik Santo Thomas. Jurnal ini mengakomodir artikel/karya ilmiah meliputi agronomi, ilmu tanah, hama dan penyakit, teknologi benih, pemuliaan tanaman, pascapanen, dan sosial ekonomi pertanian. Naskah yang dimuat dapat berupa hasil penelitian, telaah/tinjauan literatur, penelitian singkat (short communication) dan gagasan penting dalam bidang pertanian.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 42 Documents
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Korelasi Antara Penerapan Pestisida Serta Panen Sering, Pemangkasan, Sanitasi, Pemupukan (Pspsp) Terhadap Hasil Dan Pendapatan Petani Perkebunan Rakyat Kakao Aceh Tenggara Ramut, Anuar
AGROSUSTAIN Vol. 3 No. 2 (2025)
Publisher : LPPM Universitas Katolik Santo Thomas Medan

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Abstract

Southeast Aceh is one of the regencies in Aceh Province with high potential in the agricultural sector. Most of the population are cocoa farmers. However, the potential yield is often lost due to a lack of attention to proper cocoa cultivation techniques, including frequent harvesting, fertilization patterns and dosages, sanitation, pruning, and the use of herbicides, insecticides, and fungicides. This study aims to examine the cultivation techniques used by smallholder cocoa farmers in Southeast Aceh Regency. The research was conducted in May 2025 across 12 subdistricts in Southeast Aceh Regency, Aceh Province. This study employs an ex post facto design through field research. The tools and materials used included a questionnaire (Appendix 1). Data were collected through interviews and subsequently analyzed using quantitative and qualitative descriptive methods. The results showed that the average education level of cocoa farmers in Southeast Aceh is high school. The average land area was 6,930.32 m². Sanitation was carried out 3.28 times per year, light pruning 4.43 times per year, and heavy pruning 1.50 times per year. Fertilizer dosages were 160.13 kg/year for urea, 105.02 kg/year for TSP, 91.13 kg/year for KCl, and 126.94 kg/year for manure. Herbicide usage was 2.30 liters/year, insecticides 1.11 liters/year, and fungicides 0.86 liters/year. Harvesting was conducted every 10.54 days, yielding 47.26 kg per frequent harvest, 1.23 tons annually, with an annual revenue of IDR 123,171,759.26, expenditures of IDR 14,642,949.07, and a net profit of IDR 108,528,810.19 per year. Further experimental research is needed on cocoa cultivation techniques—specifically on the application of frequent harvesting, pruning, sanitation, and fertilization—to improve the growth and yield of cocoa plants.
Pengaruh Pemberian Pupuk Hayati Azotobacter dan Pupuk Kandang Sapi Terhadap Pertumbuhan dan Produksi Tanaman Sawi (Brassica Juncea L.) Tamba, Handika
AGROSUSTAIN Vol. 3 No. 2 (2025)
Publisher : LPPM Universitas Katolik Santo Thomas Medan

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Abstract

This research was conducted in Selayang Village, Selesai District, Langkat Regency, North Sumatra Province. Starting in May until July 2024. The purpose of this study was to determine the effect of Azotobacter and cow manure on the growth and production of mustard greens. This study used a Factorial Randomized Block Design (RAK) with 2 treatment factors. The first factor is Azotobacter with the symbol (A) which consists of 2 treatment levels, namely: A1 = 15 ml / Liter of water, A2 = 30 ml / Liter of water. The second factor is Cow Manure (K) which consists of 3 treatment levels, namely: K0 = 0 grams / polybag, K1 = 75 grams / polybag, and K2 = 150 grams / polybag. The parameters observed in this study were plant height (cm), number of leaves (strands), leaf area (cm2), plant wet weight (grams), and plant root wet weight (grams). Azotobacter treatment significantly affected the parameters of leaf area, plant wet weight, and root wet weight. The best treatment was treatment A2 (30 ml/L). Cow manure treatment significantly affected the parameters of plant wet weight and root wet weight. The best treatment was treatment K2 (150 grams/polybag). The interaction of Azotobacter and cow manure treatments significantly affected the parameters of plant height at 4 MST, number of leaves at 4 MST, leaf area, and plant wet weight. The best treatment was the A2K0 treatment (Azotobacter 30 ml/L and cow manure 0 grams/polybag).

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