Results 71 to 80 of about 47,660 (219)

Weed Management Influences the Accumulation of Organic Matter in the Soil and Productivity in Coffee Farming

New Zealand Journal of Crop and Horticultural Science, Volume 54, Issue 2, June 2026.
The management of weeds can influence organic matter (OM) and organic carbon (OC) levels, impacting the productivity and sustainability of coffee plantations. This study aimed to evaluate OM and OC levels in coffee soils under different weed management practices and their influence on coffee tree physiology and productivity. The experiment featured six
Indira Pereira de Oliveira, Andreisa Fabri Lima, Leônidas Canuto Santos, André Dominghetti Ferreira, Juliana Costa de Rezende Abrahão, Elifas Nunes de Alcântara, Vinícius Teixeira Andrade, Francislei Vitti Raposo, Regis Pereira Venturin, Gladyston Rodrigues Carvalho   +9 more
wiley   +1 more source

Dampak Perubahan Iklim terhadap Produksi, Kualitas Hasil dan Pendapatan Petani Kopi Arabika di Aceh Tengah [PDF]

, 2015
. Arabica coffee grown in the Gayo Highlands, which includes Central Aceh, Bener Meriah and Gayo Lues district. The impact of climate change, affect the aspects related to the cultivation of coffee. The research objective is to determine the productivity,
Anhar, A. (Ashabul), Baihaqi, A. (Akhmad), Widayat, H. P. (Heru)   +2 more
core  

Analysis of Arabica Coffee Marketing Efficiency

IOP Conference Series: Earth and Environmental Science, 2020
Abstract The purpose of this study was to determine the form of channels, functions, and marketing efficiency of Arabica Coffee. Knowing an efficient marketing channel makes it easy for farmers to choose coffee marketing channels in order to obtain a more rational selling price.
Nendah Siti Permana, Endeh Masnenah, Euis Dasipah, Yayah Haeriah, Asep Najmudin, Ahmad Fatoni, Tuti Gantini   +6 more
openaire   +1 more source

How Different Traditional and Modern Coffee Brewing Methods Affect Its Aroma, Chemistry, Health Effects and Safety Attributes?—A Comprehensive Review to Maximize Coffee Brew Quality

eFood, Volume 7, Issue 2, April 2026.
This review article provides a comprehensive analysis of coffee pre‐brewing techniques, focusing on the methodology and key parameters involved in each coffee brewing process. It also summarizes how different brewing methods affect the coffee metabolome, antioxidant levels, aroma, and physicochemical features.
Enas A. El‐Hawary, Hania A. Guirguis, Nik Muhammad Azhar Nik Daud, Mohd Asraf Zainudin, Ahmed Mediani, Mohamed A. Farag   +5 more
wiley   +1 more source

The Effect of Variation in Solvent Concentration on Caffeine Content in Green Arabica Coffee Bean Extract (Coffea arabica) using UV-Vis Spectrophotometry

Journal of Food and Pharmaceutical Sciences
Coffee is one type of beverage that is widely favoured by the community, Arabica coffee plants are a variant that grows a lot in Indonesia. Coffee beans contain various chemical compounds, one of which is caffeine.
Nanda Tsalasani Zulfaidah, Endah Kurniawati, Gita Herdittya Putri, Fitria Widiani   +3 more
doaj   +1 more source

ANALYSIS OF DISTRIBUTION CHAIN OF ARABICA COFFEE IN SEMARANG REGENCY IN 2015

Economics Development Analysis Journal, 2017
The research aims to determine the flow of distribution chain of Arabica coffee, the actors of distribution chain of Arabica coffee, and the profit margin enjoyed by each actor of distribution chain of Arabica coffee in Semarang Regency. A method used in
Hasan Abdul
doaj   +1 more source

Exploitation of synteny for positional gene cloning in coffee [PDF]

, 2008
Coffee leaf rust caused by the obligate parasitic fungus Hemileia vastatrix is an economically important disease and a major limiting factor for arabica coffee (Coffea arabica) production. While the rust resistance genes identified in C.
Combes, Marie-Christine, Dechamp, Eveline, Etienne, Hervé, Lashermes, Philippe, Mahé, Laetitia, Ribas, Alessandra   +5 more
core  

Methane Emissions From Flame Curtain Pyrolysis (Kon‐Tiki)

GCB Bioenergy, Volume 18, Issue 4, April 2026.
Flame curtain pyrolysis enables decentralized biochar production, but its net climate benefit depends on the magnitude of methane emissions caused during production. Methane emissions were below 5 g CH4 kg−1 biochar for dry feedstocks but increased for moist feedstocks. Pyrolysis emitted less methane than open burning of wheat straw. ABSTRACT Pyrogenic
Simon Lotz, Nikolas Hagemann, Dirk Hölscher, Hans‐Peter Schmidt   +3 more
wiley   +1 more source

Bantaeng Geographical Indication Arabica Coffee Coffea Arabica: Does Altitude Affect the Quality of the Coffee Bean?

Jurnal Penelitian Pendidikan IPA, 2023
Indonesia has a wide variety of coffee varieties, and is the 4th largest coffee exporter in the world. This study aims to discover about the difference of coffee bean quality from different altitude. In this study Coffee samples Coffea arabica L. which will be used is taken from Bantaeng Regency, South Sulawesi. The selected sample is coffee beans that
Andi Ilham Latunra, Tri Diah Pasinta, Muhammad Ruslan Umar, null Ardiansyah   +3 more
openaire   +1 more source

Mid‐Infrared Spectroscopy and Machine Learning for Chlorogenic Acid Quantification in Coffee

Chemie Ingenieur Technik, Volume 98, Issue 3, Page 85-97, March 2026.
Chlorogenic acid (CGA) concentration in coffee was predicted using mid‐infrared (MIR) spectroscopy and a machine learning approach. Forty‐four roasting stages (140–220 °C) plus a green coffee control were analyzed. A multilayer perceptron regressor, trained on preprocessed MIR data, outperformed traditional peak analysis, enabling accurate and ...
Deborah Herdt, Felix Wühler, Thomas Kunz, Victoria Schiwek, Sarah Kühnemuth, Brian Gibson, Matthias Rädle   +6 more
wiley   +1 more source