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Showing items 1 through 9 of 9654.The aim of this research was to study the effect of the stand composition on the density of pine and spruce wood growing on former arable lands. Sample areas are located in mixed mature pine- and spruce-prevailing stands in Leningrad region, Russia.
The objective of this study is to assess the qualitative and quantitative characteristics of pine (Pinus sylvestris) and spruce (Picea abies) stands growing on lands that were previously in agricultural use in the Leningrad region.
The scientific and technical crop production market (STCPM) is a system of organizational, economic and legal relations between the participants of the selection and seed-growing process. Selection achievements are the main commodity in it.
The article presents an analysis of the existing situation of forests of the Republic of Lithuania. The situation is analysed in ten counties of the country. In the Republic of Lithuania, forests occupied 2,178,958.04 ha, country’s forest coverage – 33.38% in 2017.
The territorial planning and the management of urban surfaces force the decrease of green spaces in urban landscapes.
Significant areas of agricultural lands of Primorsky Territory (664.2 thousand hectares) are subjected to various erosion processes, therefore they need to be conservated by afforestation.
The aim of the research was to study the effect of the surface runoff of urbanized areas on the chemical composition of the collector-waste waters of the Semikarakorsk branch of the federal state budgetary institution "Rostovmeliovodkhoz".
Land resources are the basis of economic and territorial development of any country.
The aim of the research is to carry out a comparative analysis of the effect of phosphohypso-containing fertilizer-reclamative compost (FRC) and iron-aluminium containing fertilizer-reclamative mixture (FRM) on the properties of ordinary alkali chernozem.