Soil amendment and plant fertilization by residual calcium and magnesium

Lidia Taubert, Hortensia Rǎdulescu, Sándor A. Kiss, Ecaterina Princz, Éva Stefanovits-Bányai

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The industrial process of magnesium carbonate and oxide manufacturing from dolomites by carbon dioxide leaching generates calcium carbonate as waste. Besides calcium carbonate, this precipitate contains magnesium carbonate, which can be useful in agriculture as amendment and fertilizer for low fertile acid soils. The paper shows the effects of soil treatment with different doses of industrial waste concerning the soil reaction and calcium - magnesium content, simultaneously with the growth process of green oat plants and their calcium - magnesium uptake. The obtained results indicate that soil reaction turns from acid to neutral, while the established increase for calcium content of soil have reached 51% and respectively 260% for magnesium content, both generated by the highest dose of experimented waste. For green oat plants, the results showed an increase of 117% for calcium uptake and 72% for magnesium uptake. The influence determined on the growth reveals a beneficial effect on germination and number of risen plants, a taller size of plants as well as a decrease of dry matter content at harvest time.

Original languageEnglish
Pages (from-to)5-8
Number of pages4
JournalRevista de Chimie
Volume60
Issue number1
Publication statusPublished - Jan 2009

Keywords

  • Calcium - magnesium content
  • Plant growth
  • Soil reaction
  • Waste doses

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science (miscellaneous)
  • Engineering(all)
  • Surfaces, Coatings and Films
  • Materials Chemistry

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