Chekar O. The role of humus in stabilization of processes in typical chernozems of Left-BankForest-Steppe zone of Ukraine

The object of investigation - soil processes in the typical chernozems with humus matters in natural conditions and agrocoenosises. The aim of investigation - to reveal a role of humus in stabilization of the main agronomical parameters (structural and aggregative composition, physical indices, fermentative activity, heavy metals' mobility) of the typical chernozems of Left-Bank Forest-Steppe of Ukraine. The methods of investigations - field, laboratorial, methods of mathematical statisitics. The theoretical results - on the base of research of humus state of chernozems under influence of different types of using and anthropogenous pressing, comparising with their structural and aggragative composition and other physical indices, fermentative activity, heavy metals' mobility of investigating soils the stabilizing role of humus in formation of the main agronomical indlices of chernozem including fertility as a principal guality is determined. The practical results - recommendations concerning creation o f conditions favorable for structural macroaggregates formation and also for increasing of agronomical quality of arable soils are worked out. Taking into accound that energy of humus is used for maintenance and increasing of soil fertility is usefull to carry out measures for conservation and accumulation of humus energy fund. The novelty - role of humus in a soil processes regulation in typical chernozems depending on type of using and anthropogenous pressing is defined more exactly. The degree of inculcation --recommendations is inculcated by elaboration of mesures for soil conservation and increasing of soil fertility in farms of Kharkovskiy, Balakleevsky and Dvorichanskiy districts of Kharkov region. Results of investigations also is inculcated on research and industrial objects of forestry in particular inDanilovskiy reseach state forestry of Ukrainian State Institute of Forestry and Agroforestamelioration. The sphere - agriculture and forestry.