In this article the main problems of water resources usage and protection in the river Zapadnaya Dvina basin are stated. Actions of the scheme of complex use and protection of waters have to be directed on solutions of these problems.

The factors and processes that impact on agricultural production. Demonstrates the advantages of the office of the regional agrarian economy based on rural agglomerations of cultural landscapes, involving specialization, territorially-branch and intereconomic location of the production, cooperation ...

The updated data about the network of hydrological observations in the Republic of Belarus, about the availability of water resources of this territory in the section of areas and about the long term average stock in the largest transboundary gauges are presented in this work.

The basic theoretical principles of natural water reservoirs after the emergence of "backwater effect". Of their development should be considered at the stage of their design and construction.

The evaluation of the level of priority and impact of climate, terrain-tion and technological factors on the conditions of formation of the water regime of productivity and drained lands showed that the relief factor significantly prevails over the climatic factors and land reclamation.

The hydrochemical water quality of lakes some districts of Vitebsk region (Ushachy, Glubokoye, Lepel, Polotsk and Verkhnedvinsk) is analyzed in the article, as well as the criteria of water quality of lakes these districts are discussed.

Results of research of dependence of losses of water on evaporation from a surface Echinochloa frumentacea and biometric indicators are presented in article. Height of plants and the area of leaves there should be no more than 40 sm. and 22,06 thousand M2 on 1 hectare at an irrigation Echinochloa frumentacea.

The heterogeneous nature of the soil coyer of Belarus and the significant diversity of the working conditions of agricultural technology requires a comprehensive assessme of soils, and analysis of their agro-physical properties.

The new method of preform of ice by saturated ozone is proposed. Essence his(its) volume, that in accordance with saturation of ice by ozone, ice float saw and after emersion of an ice float and the freezings of a kerf saturate a pond with ozone again. The effect of magnification of output of preform ...

The approach to estimate snow-melting coefficients on the basis of combined analysis of snow water equivalent values and average daily temperature is presented. Low resolution daily maps of snow water equivalent distribution received through microwave radiometry data are used to obtain practical ...