Dynamics of Soil pH after Utilization of By-products of Industrial Rock Processing as a Calcareous Material in Acid Soils

Andrey Litvinovich, Olga Pavlova, Anton Lavrishchev, Vladimir Bure, Elmira Saljnikov

Результат исследований: Научные публикации в периодических изданияхОбзорная статьярецензирование

1 Цитирования (Scopus)

Аннотация

Production of crushed stone from carbonate rocks intended for road construction produces а huge amount of screening fractions, which accumulate in landfills. To date, in the Leningrad region 70 million tons of waste from the production of crushed stone has been accumulated. Its use as an ameliorant can significantly reduce the severity of acid soil problems in the region and at the same time solve an important environmental problem–landfill disposal. In a 6-year 10-variant microfield experiment, a comparative study of the reclamation properties of the screening dolomite dropouts without separation into fractions and the particles of 5–7 and 7–10 mm in size used for liming in increasing doses was conducted on a medium-acid sod-podzolic light loamy soil. These dolomite screenings neutralized soil acidity already in the first year, while their positive aftereffect lasted for at least 6 experimental years. The use of a natural mixture of the screenings in high doses was not effective because of high losses of bases from soil. Clustering of individual experimental variables was carried out by their effect on the pHKCl value over the entire experiment period.

Язык оригиналаанглийский
Страницы (с-по)93-101
Число страниц9
ЖурналCommunications in Soil Science and Plant Analysis
Том52
Номер выпуска2
DOI
СостояниеОпубликовано - 2021

Предметные области Scopus

  • Агрономия и растениеводство
  • Грунтоведение

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