11. Power-saving agro-technology of production of grain of corn on irrigated lands

https://doi.org/10.31073/agrovisnyk201904-11
Kiver V. H., Onopriienko D. M.
Pages: 74-81.

Full article: 
Abstract
The purpose. To determine criteria of fitness of humus layer of soils of natural-climatic zones of Ukraine in case of their breaking for recultivation and soiling, demands to its removal and subsequent utilization at soil cultivation, to determine types and subtypes of soils on which it is expedient or not inexpedient to remove humus layer, parameters of power of fertile layer which is subject to removal at cultivation on basic types and subtypes of soils. Methods. General scientific and special: generalization, abstract-logical, analysis, comparative-geographical. Results. Methodical approach is developed for assessment of expediency of utilization of humus layer of soils of natural-climatic zones of Ukraine, based on principles of individual bonitation of soils on the basis of creation of arable land on optimum and admissible conditions of growing of basic crops. Indexes and their parameters for assessment of fitness of humus layer of soils for recultivation and soiling are specified. Grouping of soils on the basis of nomenclature list of agro-industrial groups of soils is carried out and soils on which selective removal of humus layer is recommended are specified. They also specified soils on which selective removal of humus layer is recommended at absence of fertile soils, and also depending on economic and ecological feasibility report in each concrete event. They fixed soils on which selective removal of humus layer both on low agro-industrial indexes, and in conditions of mountain operations is not recommended. Norms of removal of humus layer of soils are differentiated depending on native zone, type, subtype of soil, level of its fertility. Conclusions. Grouping soils for selective removal of humus layer of soils can be applied at development of design documentation on engineering stage of recultivation of lands and will promote improvement of quality of reclamation operations.


Key words: disturbed lands, recultivation of lands, soiling, selective removal, specifications of removal of humus layer of soil.



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