ЭКОЛОГО-ФЛОРИСТИЧЕСКАЯ СИТУАЦИЯ ОБЪЕКТОВ ЛЕСОМЕЛИОРАЦИИ В АГРОЛАНДШАФТАХ СТАВРОПОЛЬСКОГО КРАЯ кандидат биологических наук Л. В. Дудченко 1 кандидат биологических наук Н. Г. Лапенко 1 кандидат биологических наук В. А. Дружинин 1 1-ФГБНУ «Ставропольский научно-исследовательский институт сельского хозяйства», Ставропольский край, г. Михайловск, Российская Федерация В статье рассматриваются материалы исследования объектов лесомелиорации-полезащитных лесополос Ставрополья. Дана оценка состояния древесной растительности и травянистого покрова лесополос, предложен способ улучшения фитосанитарной ситуации в них. Условия проведения исследований-зона неустойчивого увлажнения, включающая районы-Грачевский, Изобильненский, Кочубеевский, Шпаковский. Фактический материал получен на основе геоботанического обследования полезащитных лесополос и согласно требованиям методик, общепринятых в фитоценологии. Результаты исследования показали, что древесная растительность лесополос нуждается в комплексе лесомелиоративных мероприятий, направленных на повышение устойчивости, природоохранных, санитарногигиенических и оздоровительных свойств лесополос. Постоянным негативным фактором полезащитных лесополос

Methodology for designing the grades system for a fast-growing business organization is presented and the results of such system implementation are analyzed. Such challenging task has been completed due to more thorough and creative comprehension of the grading method. Basics and approaches of grading, especially in its social aspect were applied on order to ingrain and maintain the proper system of measurements within the personnel and social policies of the organization. The authors argue the necessity to develop and implement the grading system on the growth stage so that this system could be expanded beyond the existing positions and embrace prospective positions to be set up and fi lled in the near future.

For efficient use of the product obtained in the preparation of quality mixtures we developed a design of separation device to crushed grains to fractions. An expression for the determination of the maximum speed of the particle passed through the hole of rotating conical surface is got. Analyzing this expression, it was found that the value of the marginal rate of passage of the particles is affected by the angle at the apex of the cone.

Objects of study are located in the southern taiga subzone of the European North and presented by spruce stands of wood sorrel types of site conditions with mixed stands. Lying of test areas was carried out in young stands, middle-aged, maturing and mature forests on the territory of Griazovets district of Vologda Region. Nature of bark structure at breast height, type of branching on twigs growing up in the middle of the crowns was determined. Processing of tree descriptions was performed on all study objects where 4 types of spruce were recorded by the nature of the structure of bark. By type of branches presence of three forms of spruce were defined.