DEVELOPMENT OF THE COMPLEX METHOD FOR DETERMINATION OF SANITARY CONDITION OF WOOD PLANTATIONS
DOI:
https://doi.org/10.24025/2306-4412.2.2020.198238Keywords:
non-destructive control, sanitary status, tree plantations, climatic factors.Abstract
The work is devoted to the research and analysis of methods for determining the sanitary condition of wood plantations. Among these methods the most methods, used in practice, such as: visual, resistographic, boroscopic, ultrasonic tomography, thermometric and ionometric ones are selected. The advantages and disadvantages of these methods are identified and compared. The basic requirements to the methods and means for determining the sanitary condition of wood plantations are determined. It is established that among the methods with the highest level of information content, the method of ultrasound tomography is promising. However, such disadvantages of this method as the high cost, the complexity of operation and the need for service by high qualified operator, as well as the heavy weight of technical equipment do not allow to use this method in practice of conducting the mobile monitoring of the sanitary condition of wood plantations in the field conditions. The work proposes a qualitatively new approach to solving the problem of conducting a highly effective and efficient determination of the sanitary condition of wood plantations by developing a new integrated method based on methodological, mathematical and technical support of the ionometric method and taking into account such negative environmental factors as salinity and soil pH, air temperature, as well as the establishment of patterns between these factors and quality indicators of wood sap (pH, sugar content and viscosity). An algorithm for conducting a highly effective and operational research is compiled, and methods for determining external and internal indicators that determine the quality of wood sap and, accordingly, the sanitary condition of tree plantations are described and analyzed.References
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