COMPAUNDS OF MOBILE FRACTION HUMIE SUBSTANCES OF SOD-PODZOLIC LIGHT LOAM SOIL DEPENDING ON SYSTEMS OF FERTILIZER
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Abstract
Liming of sod-podzolic light loam soil with рНKCl 4,3-4,5 promoted the decrease in lability of soil humus due to decrease in labile fraction of humic acids on 303 mg/kg, fulvic acids on 700 mg/kg of soil. Under influence of organic fertilizers the contents of labile humic acids has increased for 1140-1519 mg/kg of soil, fulvic acids has decreased for 164-264 mg/kg of soil. The most effective way to increaseof contents of labile humic acids in soil was joint application of 12,5 т/га in one year of manure and N83Р61К112 fertilizers on a limed background. The greatest supply of mobile humus and humic acids is observed to variants with organic-mineral system of fertilization. The maximal supply of mobile fulvic acids are typical for variants with application of mineral system of fertilizer.
About the Authors
E. N. Bogatyrova
Институт почвоведения и агрохимии НАН Беларуси, г.Минск
Russian Federation
Russian Federation
T. M. Seraya
Институт почвоведения и агрохимии НАН Беларуси, г.Минск
Russian Federation
Russian Federation
O. M. Biryukova
Институт почвоведения и агрохимии НАН Беларуси, г.Минск
Russian Federation
Russian Federation
M. M. Lomonos
Институт почвоведения и агрохимии НАН Беларуси, г.Минск
Russian Federation
Russian Federation
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Review
For citations:
Bogatyrova E.N., Seraya T.M., Biryukova O.M., Lomonos M.M. COMPAUNDS OF MOBILE FRACTION HUMIE SUBSTANCES OF SOD-PODZOLIC LIGHT LOAM SOIL DEPENDING ON SYSTEMS OF FERTILIZER. Soil Science and Agrochemistry. 2009;(2):92-100. (In Russ.)
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