INNOVATIVE APPROACHES TO USING SOLONETZ AGROLANDSCAPES OF BARABA PLAIN

The paper outlines the rationale for new methodological and methodical approaches to the design of rational land use based on  comprehensive study of landscape features of such natural- production systems as agricultural enterprise, brigade, field. It is  shown that socio-economic, technological and environmental conditions that have changed over the last two  decades are a prerequisite for transition from zonal systems of  agriculture to adaptive landscape concept, which is based on the  methodology of differentiated agroecological assessment and land  typification. Implementation of new methodological approaches is preceded by the development of regional landscape-ecological  classification of the lands, which reflects the diversity of territory landscape conditions. The method of land agroecological assessment includes all landscape components survey of a given territory and  limiting factors identification, on the basis of which agroecological  land typification is carried out. The space images and digital  cartography tools are used for mapping the territory. There is  described agroecological assessment procedure and results of 600- hectare production site on the territory of Kubanskoe ZAO, Kargatsky District, Novosibirsk Region, located in the eastern part of Baraba  Plain. Based on the detailed study of solonetz agrolandscape  components such as relief and microrelief, groundwater, soil properties and the nature of the soil cover, the main limiting factors have been identified, that limit crop yields and using modern  technological methods. They are periodic waterlogging, salinization,  alkalinity and shallow contouring of the soil cover. There is given an  example of application of landscape-ecological classification having  been worked out by the authors earlier for lands grouping  (typification). Some data of the comparative economic evaluation of  differentiated use of the studied area are presented.

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