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Questions related from Zenon Hamkalo
Dear Colleagues! After rising steadily for decades, global carbon dioxide emissions fell by 6.4%, or 2.3 billion tonnes, in 2020, as the COVID-19 pandemic squelched economic and social activities...
16 August 2021 3,671 8 View
In connection with the reform of agriculture in Ukraine, the problem of using postagrogenic soils (fallows) arose. As a rule, spontaneous vegetation growth (reforestation) or artificial planting...
27 October 2020 5,812 3 View
In connection with the reform of agriculture in Ukraine, the problem of using postagrogenic soils (fallows) arose. It is possible to grow energy crops on these lands in order to obtain affordable...
27 October 2020 8,095 4 View
To date, several methods have been proposed for the evaluation of the labile part of the soil organic matter: oxidation by solutions of various concentrations of sulfuric acid, potassium...
31 May 2020 4,519 0 View
In scientific research, a wide range of indicators of evaluation of the labile pool of soil organic matter are used as oxidation by sulfuric acid, permanganate, extraction with cold and hot water,...
25 April 2020 5,737 0 View
Recently, I read article by E. Thomas, I. Rathore, and J. C. Tarafdar “Bio-Inspired Synthesis of Nitrogen Nanoparticles and Its Application on Pearl Millet (Pennisetum americanum L) cv. HHB 67”....
04 September 2019 9,344 3 View
Now there are two tendencies in the study of soil organic matter: 1) chemical destruction of the SOM by permanganate, alkaline and acid solutions, extraction with cold and hot water, and 2) the...
17 April 2019 7,728 4 View
It is clear, that for soils with different contents of organic matter there should be a different efficiency of application of biochar. Is it so?
05 November 2018 4,190 25 View
In Turkey offer organic liquid fertilizer with content organic Carbon 18%, total Nitrogen 3%, K2O - 4% and a pH of 3.5-5.5. Is known, that liquid fertilizers produced by anaerobic fermentation...
23 February 2017 8,120 5 View
In recent years, becoming a popular new organic fertilizer, which is obtained as a product of anaerobic treatment (fermentation) of various wastes. In various countries it is called differently...
21 February 2017 6,734 9 View
In Ukraine, scientists of Central Geophysical Observatory (Kiev) have found a unique air temperature extremes, the maximum of which was registered on 17 July + 35,4 ° C. And in four days, this...
14 August 2016 9,972 7 View
We have a simple laboratory apparatus for producing methane from manure. As manure, we use cow, pig and chicken manure. What are the ways to increase the intensity of the fermentation process is...
03 May 2016 7,970 3 View
It is known, that in sand fractions of soil are concentrated mainly residues of soil fauna and vegetation of the middle stage of decomposition, which determines the value of high C/N ratio...
01 March 2016 9,914 4 View
Cold water (20°C) extractable organic carbon (CWEC) and Hot water (80°C) extractable organic carbon (HWEC) at the bottom of lowland peat (Haplic Histosol) and Gleyic Histic Fluvisol on turf (70-80...
06 March 2015 4,539 1 View
In his dissertation, A.B. Naumov (Tomsk, Russia, 2004) pointed to specific features of the biological carbon cycle of wetland ecosystem - presence of a “small inner C-cycle”, due to the operation...
01 January 1970 1,342 7 View
01 January 1970 2,439 0 View
01 January 1970 2,217 4 View
