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All Journal Pelita Perkebunan Jurnal Agro Industri Perkebunan
Novie Pranata Erdiansyah
Pusat Penelitian Kopi dan Kakao Indonesia Indonesia
Agriculture, Biological Sciences & Forestry

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Pengaruh Jumlah Ruas dan Konsentrasi Rootone-F pada Pertumbuhan Setek Kopi Robusta Salim, Abdurrahman; Erdiansyah, Novie Pranata; Yudha, Bhima Reformana
Jurnal Agro Industri Perkebunan Vol. 10 No. 1 (2022)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v10i1.2317

Abstract

Coffee is one of the commodities in Indonesia that excels in exports, and one of the most widely cultivated coffees in Indonesia is robusta coffee. Propagation by segment cuttings on Robusta coffee plants can produce new plants in large numbers and have the same gene characteristics as the parent in a short period. Then there is a growth regulatory administered exogenously (from outside) are an alternative way to accelerate root formation in plants. This study was conducted to determine the effect of the number of segments and concentration of Rootone-F on the growth of robusta coffee cuttings. The research was conducted for three months, from 23 March 2021 to 15 June 2021. The research was conducted at the Kaliwining Gardens, the Coffee and Cocoa Research Center, Jember. The statistical method used was a completely randomized design (CRD) by factorial. The first factor was the number of segments and the second factor was the concentration of Rootone-F; there were 12 treatment combinations and three replications. The results showed that the number of internodes' treatments was significantly different on shoot length, root wet weight, and root dry weight. The concentration of Rootone F was not significantly different for all variables observed.
Soil Organic Carbon Stocks Across Different Agroforestry Systems in Coffee-Based Land Use: A Case Study in Malang, Indonesia Perdana, Andrian; Puspita Sari, Niken; Yuliasmara, Fitria; Erdiansyah, Novie Pranata
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 41 No. 3 (2025)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v41i3.695

Abstract

Agroforestry systems have garnered significant attention for their potential in enhancing soil organic carbon (SOC) stocks, particularly in coffee plantations. The different shading conditions not only diversifies production but also plays a crucial role in soil health and carbon sequestration. The study aimed to investigate the SOC stocks under various coffee-based agroforestry systems. Four different shading conditions have been examined, namely: A (unshaded), B (Leucaena leucocephala shade), C (Pinus sp. shade), and D (complex agroforestry). The results were analyzed descriptively by comparing the influence of varying shading conditions in enhancing SOC stocks. The results indicated that complex agroforestry had the highest SOC (1.33%), followed by L. leucocephala shade (1.20%), unshaded (1.02%), and Pinus sp. shade (0.96%). In the complexagroforestry system, the diversification of plant species increases soil organic matter (SOM) and root biomass, thus improve SOC. Meanwhile, the Pinus sp. shade exhibited the lowest SOC due to the lower quality of its resistant litter. The complex agroforestry also recorded the highest SOC stocks (42.7 t C ha -1), followed by unshaded (39.9 t C ha -1), L. leucocephala shade (38.3 t C ha -1), and Pinus sp. shade (30.5 t C ha-1). The SOC stocks in the unshaded system exceeded those under L. leucocephala shade due to higher bulk density resulting from the absence of complex root systems. Moreover, the complex agroforestry exhibited elevated levels of soil N, P, K, and CEC. These findings implied that complex agroforestry system represents a multifaceted approach to enhance SOC stocks and soil health in coffee plantation.
Co-Authors Abdurrahman Salim Andrian Perdana Fitria Yuliasmara Niken Puspita sari Yudha, Bhima Reformana