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Modern society needs new models of development management that will lead to a global adaptation to the growing threats of increased environmental degradation and living conditions. These models include sustainable development, the green economy, the bioeconomy, the circular economy. For the effective application of these models, the level of development of each area must be known in order to determine priorities and solutions. To this end, a model for assessing the level of development is proposed on the basis of indicative indicators resulting from the revenue and expenditure budget of the territorial administrative units.

Sustainable development of agricultural space is a matter of national interest to ensure the stability of rural communities and food security of the population. Strategies developed for this purpose need financial support from the European funds and the national budget managed by The Agency for Payments and Intervention in Agriculture (APIA) and the Agency for Financing Rural Investments (AFIR). To exemplify, APIA contributes to the support of agriculture in Prahova County, where approximately 50% of the agricultural area of the county benefited from subsidies managed by APIA Regional Center worth 119,736,149 lei in 2017.

Modern society is subject to particular pressures caused by climate change agrolimentară reduce output and population growth that increases the demand for food, fiber and bioenergy. This contradiction requires changing patterns of production and consumption by developing new concepts on global economic management.These concepts bioeconomy offers solutions to improve the efficiency of biomass through full utilization of renewable natural resources.

Irrigations are an agriculture technique through which the water deficiency necessary for a normal development and growth of the crops are covert. The supplementary water contribution which assures the irrigation is in need of big investments through which it would take big volumes of water from naturals sources that are transported with big looses to the irrigated field. This complex process determines the necessity of expressing the irrigation system efficiency to take into consideration not just the productivity obtained by irrigations but also the efficiency of the process which contributes to the applications of watering.

Our research aims to show the uniformity of water distribution in sprinkler watering of an apple plantation. We used the sprinkling irrigation equipment in the 18 x 18 scheme under different climatic conditions for which we calculated the Christiansen uniformity coefficient and we determined the variation of the water amount supplied to the basic irrigation area. We calculated the actual irrigated area/basic plot area relation, which recorded a value of 2.51.Â

The grinds area, developed along the banks of the Danube with odds 6 to 6.5 hydrodegrees and the main confluence (Jiu, Olt, Vedea, Arges, etc.). Well developed grinds have widths of 7 to 7.5 hydrodegrees and widths 150-300 m, with slight to medium textured soils more sandy and argillaceous Danube river onto the terrace. On the grind of the Danube river, earth texture is coarse. Intermediate are occupies most of the floodplain, with relative height of 5-6 hydrodegrees and medium textured soils, loam - sandy soils, loam - argillaceous soils. Depression area has relative levels in 3-4 hydrodegrees, represented by low land of floodplain below the terrace.The medium lithologic profile of the Danube floodplain presents at its surface a clay powder complex (semipermeable) 5-15 m thick below which appears an aquifer layer which consists of sands, gravels and boulders placed on the base layer which consists of marl, clay, limestone and sandstone.

Rural developpment in Crișuri hydrographic basins, Bihor County. The study presents situation regarding the characteristics of natural factors and the effects over devloppement rural activities. This scientific paper to refer of the researches for PhD Thesis, elaborated in the POSDRU Program, nr.107/1.5/5/76888.

The Summit Conferences of Rio (1992) and Johannesburg (2002) emphasized the primordial role of the local collectivities played in boosting the projects of sustainable development. The local collectivities manage, protect and landscape their territory. Being closer to the citizens, they do have the capacity to mobilize the social and economical forces. Aware of the role played, some of the local collectivities involved themselves into the elaboration and application of a participative measure, aiming at elaborating an ample program of sustainable development, compared to the Local Agenda 21.

Landslides are coherent land masses movements down slopes, along the so-called slide surfaces which separate the slide material from the stable surface of slopes, and play a very important role both in the evolution of the relief and for the security of anthropic works. These phenomena have a strong environmental and socio-economic impact raising important risks for inhabitants and constructions, as well as technical difficulties as regards the reconstruction of lands and extremely high costs for repair works for the damaged areas.

The demographic strategy. The paper present some aspects of democratic strategy in Romania. The population is an macro economic and social variable with specific features, who influences the majority of economic and social processes, having significant effects on word market, on economic growth and şi social cohesion.

The global strategy of water management. The importance of water and multiple problems of water use determined the extensive concerns of international organizations. This paper presents some aspects regarding the global strategy of water management.

Judeţul Prahova este situat în sudul României, fiind inclus în Regiunea de dezvoltare Sud-Muntenia. Având o suprafaţă de 4694 km2 şi un relief cu altitudini variabile între 2505 m şi 68 m, judeţul Prahova are o importanţă economică deosebită, industrială dar şi agricolă şi silvică. Circa 20% din terenurile agricole şi pe circa 1% din suprafaţa ocupată de păduri sunt terenuri degradate prin eroziune, alunecări, excavaţii, poluare chimică şi cu petrol, exces de umiditate, sărături etc. Agricultura şi silvicultura constiuie cele două componente de bază ale spaţiului rural în judeţul Prahova judeţ inclus în Regiunea de dezvoltare Sud-Muntenia, caracterizată printr-o pondere a populaţiei rurale de 58,4% daţă de 45,4% media pe ţară cu o densitate a populaţiei de 100,6 locuitori/km2 faţă de media pe ţară de 94,1 locuitori/km2.

Valorificarea durabilă a resurselor naturale constituie principiul de bază al dezvoltării societăţii moderne, confruntată cu degradări în forme acute a unor componente a ecosistemelor naturale ceea ce determină efecte nedorite asupra vieţii cotidiene la diferite scări de timp.