this study was performed to assess the effects of nitrogen fertilizer and vermicompost on qualitative and quantitative yield of chamomile ( matricaria chamomilla l.). it was conducted at the research fields of ran company located in firouzkouh, iran, in 2013. treatments were consisted of 1) control, 2) 100% nitrogen from urea, 3) 100% nitrogen from ammonium nitrate, 4) 75% nitrogen from urea an...

ABSTRAK Attaqie Farm dikenal sebagai kawasan agropolitan budidaya belimbing. Belimbing Tasikmadu memiliki rasa yang manis dan gurih. Kebun memproduksi 1.000 kg buah per hari menghasilkan limbah yaitu daun, sisa penjarangan, ranting-ranting, hasil tersebut mencapai 5-10 kg. Jika diolah maka akan sesuatu bermanfaat seperti pupuk organik. Usaha dapat meningkatkan mutu atau produksi pakcoy salah sa...

Methane gas is a by-product of landfilling municipal solid wastes (MSW). Most of the global MSW is dumped in non-regulated landfills and the generated methane is emitted to the atmosphere. Some of the modern regulated landfills attempt to capture and utilize landfill biogas, a renewable energy source, to generate electricity or heat. As of 2001, there were about one thousand landfills collectin...

studies on crop improvement of saffron (crocus sativus l.) can play an important role in development of this native crop. in this context, an experiment was conducted at agricultural research station, ferdowsi university of mashhad, iran, as a factorial based on randomized complete block design with three replications, during 2005-2010 years. first studied factor was planting pattern of saffron...

Purpose: To present a techno-economical study of a possible thermophylic anaerobic biological degradation unit installation in Attica, which will manage 35600ton/y of fresh substrate of the source sorted organic fraction of solid municipal waste (SS-OFSMW). Methods: The anaerobic digestion unit consists of a pre-processing step (screening with hands-cutting) and the main dry anaerobic biologica...

This study aims to determine the levels of methylene blue active substances (MBAS) and ethyl violet active substances (EVAS) as anionic surfactants and of disulphine blue active substances (DBAS) as cationic surfactants in the surface microlayer (SML) around an estuarine area using colorimetric methods. The results show that the concentrations of surfactants around the estuarine area were domin...