Results 21 to 30 of about 7,429,660 (250)

The Productivity of Crop Rotation Depending on the Included Plants and Soil Tillage

open access: yesAgriculture, 2023
Crop diversification in rotations is an important part of sustainable crop production. The aim of this research was to analyse soil tillage and crop rotation influence on the yield (t ha−1) of different field crops, their energy yield (GJ ha−1) and the ...
Madara Darguza, Zinta Gaile
doaj   +1 more source

Response of beech and fir to different light intensities along the Carpathian and Dinaric Mountains

open access: yesFrontiers in Plant Science
Predicting global change mitigations based on environmental variables, like temperature and water availability, although yielding insightful hypothesis still lacks the integration of environmental responses.
Matjaž Čater   +4 more
doaj   +1 more source

Performance and energy loss mechanism of bifacial photovoltaic modules at a solar carport system

open access: yesEnergy Science & Engineering, 2023
As photovoltaic modules are increasingly used in renewable energy systems, ensuring energy efficiency by reducing the levelized cost of electricity has become the focus of current research.
Sungho Hwang   +2 more
doaj   +1 more source

Industrial hemp (Cannabis sativa L.) – a high-yielding energy crop [PDF]

open access: yes, 2011
Bioenergy is currently the fastest growing source of renewable energy. Tighter sustainability criteria for the production of vehicle biofuels and an increasing interest in combined heat and power (CHP) production from biomass have led to a demand for ...
Prade, Thomas
core   +1 more source

The Mineral Question: How Energy and Technology will determine the Future of Mining

open access: yesFrontiers in Energy Research, 2013
Almost 150 years after that William Stanley Jevons published his paper The Coal Question (Jevons, 1866) the debate on mineral depletion has been ongoing between two main schools of thought: one that sees depletion as an important problem for the near ...
Ugo eBardi
doaj   +1 more source

Wave Energy Development in Oregon: licensing & permitting requirements [PDF]

open access: yes
This is an informational document provided by the Oregon Wave Energy Trust (OWET) for the purposes developing a broad understanding of the current regulatory framework among stakeholders, regulators, and developers in the wave energy industry.
Pacific Energy Ventures
core   +6 more sources

The reed canary grass (Phalaris arundinacea L.) cultivated for energy utilization

open access: yesResearch in Agricultural Engineering, 2005
The reed canary grass as a source of energy was tested in field experiments on small plots at three different sites in 1996-2003. The effects of soil and weather conditions, different times of harvest (July, November, March) and different doses of ...
Z. Strašil, V. Váňa, M. Káš
doaj   +1 more source

Biomass Characteristics and Energy Yields of Tobacco (Nicotiana tabacum L.) Cultivated in Eastern Poland

open access: yesAgriculture, 2020
The present pilot study examined the potential of tobacco (Nicotiana tabacum L.) as an energy source. The fresh matter of whole tobacco plants, the yield of dry matter of stems and leaves, as well as the higher heating value and methane production ...
Adam Kleofas Berbeć, Mariusz Matyka
doaj   +1 more source

Anaerobic digestion of whole-crop winter wheat silage for renewable energy production [PDF]

open access: yes, 2012
With biogas production expanding across Europe in response to renewable energy incentives, a wider variety of crops need to be considered as feedstock.
Rincon, Barbara   +3 more
core   +1 more source

Contribution to the Energy Situation in Tajikistan by Using Residual Apricot Branches after Pruning as an Alternative Fuel

open access: yesEnergies, 2019
A lack of access to energy in the rural areas of Tajikistan is one of the current problems of the country. Tajikistan’s goal is to reach energy independency, and the main prospects for the country’s energy sector, which relies on energy ...
Sayfullo Akhmedov   +4 more
doaj   +1 more source

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