Soil – fertilizer – fertility - harvest
Materials of International theoretical and practical conference devoted to the 100th anniversary from the birthday of Ivanov S.N. and 90th anniversary from the birthday of Kulakovskaia T.N., February 16-18, 2009
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Results of researches on the soil and agrochemical sciences on genesis, classification, diagnostics, evolution and productivity of soils, rational use of fertilizers, ecologically safe and profitable land tenure.