Methodical approaches to assess sustainable plant wilting point moisture sod-lithogenic soils on reddish-brown clay

  • I. Lyads’ka
  • K. Maslіkova
  • O. Zhukov
Keywords: sustainable plant wilting humidity, sod-lіtogenіc soils, recultivation

Abstract

The sustainable plant wilting point moisture indicators have been defined in the work for sod-lithogenic soils on reddish-brown clay by means of calculation method and using vegetation miniatures and the causes of variances of these approaches. The sustainable plant wilting point indexes have been found to be 6,4–10,1 % for sod-lithogenic soils on reddish-brown clay. The distribution of this indicator on the profile of technosem type examined has been found to be characterized by significantly unequal. Such features of tehnozem construction can be seen as a negative feature for plant growth and formation of ecosystem productivity. The upper and lower layers of soil with comparatively lower humidity values sustainable withering plants separated medium layer with high values of this index. Based on the results of the regression analysis proved that the greatest influence on the humidity sustainable withering plants have soil salinity. For the calculation of this indicator was taken into account. Constructed pedotransfer function enable to reduce labor costs to determine the hydrological constants and get an indicator that has obvious environmental significance.

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Published
2017-01-23
Section
Agricultural sciences (agronomics, agricultural ecology, land reclamation, ecology, crops husbandry, farming)