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In old times, hydrotechnical constructions, mostly dams were built for the single purpose of water supply or irrigation. As civilizations developed, there was a greater need for water supply, irrigation, flood control, navigation, water quality, sediment control and energy. Demand for water is steadily increasing throughout the world. There is no life on earth without water, our most important resource apart from air and land. During the past three centuries, the amount of water withdrawn from freshwater resources...

The management of grassland areas through the correct use of these areas is reflected in the qualitative and quantitative increase in plant production per unit area, the increase of the animal product and the better protection of the environment. The national agricultural context of Romania requires the existence of a Management Plan for each area of grassland and its concession to farmers for a period of up to 10 years. This study was conducted for an area of 945 hectares of grasslands under the protection of the...

Biochar is a porous, carbon-rich material produced by heating of organic matter to temperatures between 300 °C and 1000 °C in an environment with limited or no oxygen. During the past decade, numerous articles focusing on the use of biochar have been published, but have shown inconsistent results. Reactions in the soil after the addition of biochar depend on the characteristics of biochar, soil, climate and soil-inhabiting organisms. However, due to high variability in the quality of biochar, its effects on soils ...

The use of synthesis chemical substances in agriculture for increasing agricultural production and ensuring food across the globe is a process that has as a reverse negative effects on the environment and human health. According to the research conducted widely it has proved that, these synthesis substances that sometimes are toxic (pesticides, herbicides, etc.) have a negative influence on human health ultimately, also by polluting the environment, which represents the biggest challenge of the humanity today - cl...