This paper represents a documentation of the existing relations between the agrotechnichs of rapeseed culture in the production of biodiesel from pure rapseesd oil and from waste showing its quality and efficiency. The pure biodiesel, called B100, is a monoalkylester of fatty acids derived from...

The researches carried out in a former bauxite quarry from Zece Hotare. The exploitation of the bauxite ended in 1998 and very large melioration works were started in 2004. In order to determine the physical properties 4 profiles were made, on the levelled area on the high area (667 m altitude),...

Hazardous heavy metal pollution of soils is one of the most important environmental problems throughout the world. In fact, heavy metals have a significant toxicity for humans, animals, plant and microorganisms. Our results indicate that enzymatic activities are a great utility for understanding...

The researches were carried aut during 1976-2012 in the field for soil water balance study placed on the preluvosoil from Agricultural Research and Development Station Oradea. The irrigation was needed. The irrigation was needed every year becouse on the watering depth (0-75 cm) decreased bellow...

The paper based on the researches carried out in the plots for flow check placed on the hill with 10% slope placed in 1999 at Agricultural Research and Development Station Oradea. The area is characterized by average of the multi-annual rainfall of 620 mm. The following variant were studied:...

The check plots were placed on the hill with 10% slope in Agriculture Research and Development Station Oradea in 1999. The metal panels at the base and soil dams there were between the plots. The variants studied: clean fallow, pasture, wheat, maize on the level curves, and maize from hill to...

The agricultural support granted to the farmers is of interest, firstly because agriculture in Romania is a risky activity, being a branch dependent on the weather conditions and secondly, because it offers the food source to the people. For these reasons the European Union financially supports...

The evolution of research in the field of sorghum for grains has led to the creation of new hybrids with higher production potential and resistance to various diseases and pests. Sorghum cultivation technology is similar to that of corn. Sorghum has an explosive emergence at higher temperatures,...

The paper presents the conceptual and statistical dynamic of the Wholesale and Retail Commerce, Repair of Motor Vehicles and Motorcycles and Transport and Storage economic sectors in the European mountain area. European mountain entrepreneurship and commerce develops considerably in the 20th...

Flax, a plant with blue flowers and small brown seeds, is one of the oldest cultivated plants on earth, originating in India and China. It is cultivated in our country for its stems from which textile fibers are extracted and for the seeds from which a fatty oil is extracted, used both in...