Boyko Y. Adsorbind complex of grey forest soil, its agrochemical properties and productivity of crop rotation section under the influence of complex chemical amelioration

Object - processes of recreation of fertility of grey forest light loamy soil under act of complex chemical amelioration. Purpose - establishment of efficiency of forms, doses and compositions of chemical amelioration in saving and recreation of fertility of grey forest soil light loamy soil for an increase of high of productivity of agricultural cultures and development recommendation. Methods - the long-term field tests, laboratory-field, laboratory-analytical, mathematical and statistical tests and methods of economic evaluation. Novelty - first in the conditions of Right - bank Forest - steppe of Ukraine the saponite can be used effectively both as an material for soil acidity neutralization and as magnesium, containing fertilized for the increase of fertility of grey forest soil. Growing in theory and possibility of combination of saponite flour is confirmed practically with chalk, saponite flour with peat. Establishment the positive effect of forms, doses and compositions of chemical amelioration in soil adsorbing complex, its nutrition regime of the soil, productivity of agricultural cultures and productivity of a crop rotation section. Establishment the positive effect saponite directly and together chalk on the decreasing of soil acidity, corection proportion Ca2+? Mg2+ in adsorbing complex of soil. Results of researches - are employed in the practice of crop production and research activities. Branch - agricultural sciences.