ДИНАМИКА СОДЕРЖАНИЯ ОБМЕННЫХ КАТИОНОВ КАЛЬЦИЯ И МАГНИЯ В дерново-Подзолистой ЛЕГКОСУГЛИНИСТОЙ ПОЧВЕ, МЕЛИОРИРУЕМОЙ РАЗЛИЧНЫМИ ПО РАЗМЕРУ ФРАКЦИЯМИ ДОЛОМИТА (ЭМПИРИЧЕСКИЕ МОДЕЛИ ПРОЦЕССА ПОДКИСЛЕНИЯ), "Агрохимия"

Litvinovich, A. V.; Lavrishchev, Anton; Bure, Vladimir M.; Павлова, О. Ю.; Ковлева, А. О.

doi:10.7868/s0002188118030079

Агрохимия

2018

DOI: 10.7868/s0002188118030079

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ДИНАМИКА СОДЕРЖАНИЯ ОБМЕННЫХ КАТИОНОВ КАЛЬЦИЯ И МАГНИЯ В дерново-Подзолистой ЛЕГКОСУГЛИНИСТОЙ ПОЧВЕ, МЕЛИОРИРУЕМОЙ РАЗЛИЧНЫМИ ПО РАЗМЕРУ ФРАКЦИЯМИ ДОЛОМИТА (ЭМПИРИЧЕСКИЕ МОДЕЛИ ПРОЦЕССА ПОДКИСЛЕНИЯ), "Агрохимия"

A. V. Litvinovich¹,

Anton Lavrishchev²,

Vladimir M. Bure³

et al.

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Prospects for application of organic fertilizer from bird litter

Sergeeva

Gasimova

2020

BIO Web Conf.

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Currently, the most effective way to dispose of bird droppings is to process it into organic fertilizer. The processed litter contains the basic micro and macro elements and amino acids in an easily accessible form for plants. Fertilizer from recycled litter is environmentally friendly and effective in neutralizing pathogenic microflora, larvae and helminth eggs, as well as weed seeds. In this work, we studied the modes of processing chicken manure at the Ark plant, the chemical composition of bird manure and organic fertilizer from it obtained in different ways. The effect of various doses of powder on seed germination, plant growth and development was assessed. It is shown that processing of bird droppings into powder increases the content of available macrocells for plants by two times, and also contributes to their longer preservation in organic fertilizer. The study indicates that pre-sowing soil treatment with powder in the optimal dose increases the germination rate of plants by 75 % compared with the control group.

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Prospects for application of organic fertilizer from bird litter

Sergeeva

Gasimova

2020

BIO Web Conf.

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Chemical Composition of Spring Wheat Plants on Acidic Sod-Podzolic Light Loamy Soil, Calcified by Calcium-Containing Industrial Waste. Empirical Models of Translocation of Macro- and Microelements into Vegetative

Litvinovich,

Lavrishchev,

Kovleva

et al. 2023

Agrohimiâ

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In 2 vegetation experiments laid on acidic sod-podzolic light loamy soil, a comparative study of the fertilizing value and reclamation properties of finely ground dolomite flour (DF) particles used for road construction and blast furnace slag (FS) of a metallurgical plant was carried out. It was found that 1 year after liming, DF, introduced in doses equivalent to FS in terms of neutralizing ability, contributed to a greater shift in pHKCl and a greater accumulation of the sum of the exchange bases Ca2+ + Mg2+. In terms of the effect on the productivity of wheat straw, variations with FS, introduced in equal amounts with DF, were not inferior to the latter. The effect of liming DF on wheat grain yield was more significant than with FS. The relationship between the content of mobile Ca2+ + Mg2+ cations in reclaimed soil and the productivity of wheat grain was revealed. Empirical dependences describing the effect of increasing doses of meliorants on the transition of calcium, magnesium, zinc, iron and manganese into straw and grain of plants have been developed. It is concluded that at the first stage of the dissolution of meliorants, their chemical nature was the leading factor in achieving the effect of curing. The degree of grinding of lime materials was of secondary importance.

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Calcium Losses from Reclaimed Sod-Podzolic Light Loamy Soil at Different Levels of Moisture Availability

Litvinovich,

Lavrishchev,

Bure

et al. 2023

Agrohimiâ

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In a 10-year laboratory experiment on columns, the migration mobility of calcium remaining in dolomite-reclaimed sod-podzolic soil after harvesting crops was studied. A “fund” of calcium compounds capable of migration in years with average long-term, excessive and insufficient levels of moisture has been identified. It was found that an increase in the volume of drained moisture contributed to an increase in unproductive calcium losses. The higher the dose of dolomite and the smaller the particle size, the greater the eluvial calcium loss. It is shown that the bulk of the calcium capable of migration was removed from the soil at the initial stage of washing. During the entire study period, migration calcium losses after pea harvesting exceeded losses after mustard cultivation. Empirical dependences describing the loss of calcium from the soil produced by dolomite in a wide range of doses have been developed. Various variants of the experiment were ranked according to the scale of calcium losses. It is shown that over 10 years of observations, the maximum calcium losses as a result of migration were characteristic of the variant of the experiment produced by dolomite flour calculated from the full dose of hydrolytic acidity. Calcium losses from soil reclaimed by dolomite particles of 5–7 and 7–10 mm in doses equal to 3 and 5 Hc were less.Key words: sod-podzolic light loamy soil, soil moisture availability, chemical reclamation, eluvial calcium losses, empirical models of migration process.

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Cited by 4 publications

References 0 publications

Prospects for application of organic fertilizer from bird litter

Prospects for application of organic fertilizer from bird litter

Chemical Composition of Spring Wheat Plants on Acidic Sod-Podzolic Light Loamy Soil, Calcified by Calcium-Containing Industrial Waste. Empirical Models of Translocation of Macro- and Microelements into Vegetative

Calcium Losses from Reclaimed Sod-Podzolic Light Loamy Soil at Different Levels of Moisture Availability

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