Continuous dynamics of exchange acidity of sod-podzolic soils DEPENDING ON DOSES OF LIME

Authors

  • V. M. Poliovyi Institute of Agriculture of Western Polesie NAAS , Інститут сільського господарства Західного Полісся НААН
  • L. Ya. Lukashchuk Institute of Agriculture of Western Polesie NAAS , Інститут сільського господарства Західного Полісся НААН
  • S. M. Kulyk Institute of Agriculture of Western Polesie NAAS , Інститут сільського господарства Західного Полісся НААН

DOI:

https://doi.org/10.31548/dopovidi2016.03.003

Keywords:

sod-podzolic soil, lime, lime dose, exchange acidity, soil solution reaction, dynamics

Abstract

The article presents the results of research of the influence of different doses of lime on the continuous dynamics of exchange acidity of sod-podzolic soils in conditions of Western Polissya of Ukraine.

Soil acidity is one of the main indicators of fertility, which affects the whole complex of its properties. These properties determine the crops yield and soil quality such as the state of humus and soil-absorbing complex, the availability of macro- and micronutrients, the aluminum mobility, the quantitative and qualitative composition of soil microflora. Increasing the fertility of acid sod-podzolic soils is made by applying a complex of measures, among which the most important one is liming.

Therefore, objectives of researches were to establish effects of various doses of lime on continuous acidity dynamics of sod-podzolic sandy soil, and to research soil productivity by summarizing of experimental data wich were obtained in the long-term stationary experiment during four crop rotations.

Research was carried out in 1980-2011 inthe long-term stationary experiment at the Institute of Agriculture of Western Polissya. The type of soil of experimental field is sod-podzolic. Researches and estimates in experiment were conducted by commonly accepted methods.

According to the research it was found that the liming of sod-podzolic soil with 0.5; 1.0; 1.5 and 2.0 doses of CaCO3 allows to neutralize the exchange acidity in the first three years of ameliorants effect from рНКСlof 4,6-4,8 to 5,7-6,4; 6,2-6,8; 7,2-7,4 and 7,4-7,6 respectively. By the end of eight-course rotation soil solution was acidified, depending on the dose ameliorants to 4.9; 5.9; 6.3 and 6.5 respectively. Repeated liming with 0.5; 1.0; 1.5 and 2.0 doses of lime before the second and third rotations allowed to maintain reaction of soil environment within 24 years in the range of 5,3-5,5; 5,7-6,3; 6,0-6,6 6,1-6,7 рНКСl respectively.

Author Biographies

  • V. M. Poliovyi, Institute of Agriculture of Western Polesie NAAS, Інститут сільського господарства Західного Полісся НААН

    доктор сільськогосподарських наук, професор,

    член-кореспондент НААН
  • L. Ya. Lukashchuk, Institute of Agriculture of Western Polesie NAAS, Інститут сільського господарства Західного Полісся НААН
    кандидат сільськогосподарських наук
  • S. M. Kulyk, Institute of Agriculture of Western Polesie NAAS, Інститут сільського господарства Західного Полісся НААН
    молодший науковий співробітник

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Issue

No. 3 (60) (2016)

Section

Agronomy

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