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Questions related from Birhanu Iticha
When we add organic matter in the form of biochar or compost to acidic soils, the organic materials decompose and release alkalinity such as carbonates, organic anions, inorganic anions, organic...
12 May 2023 1,680 2 View
0.25 gram of soil sample is digested using 2 mL conc. HNO3 + 0.5 mL conc. H2O2 (i.e. a total of 2.5 ml of conc. acids). Then, distilled water was added to bring the solution in the digestion tube...
08 December 2022 788 8 View
I need your help please
09 April 2019 3,678 15 View
I faced difficulty of analysis and interpretation of raw data of PXRD presented in "ras", "asc" and "raw" forms. Three of the files attached are PXRD data for one soil sample.
09 April 2019 2,457 11 View
Some people write the greatness of wetlands for soil carbon sequestration, climate change mitigation and biodiversity conservation. Others dictate the potential of wetlands for rice cultivation....
08 May 2018 6,051 9 View
Climate change associated drought is becoming the most serious disaster affecting life in most parts of Africa and some parts of Asia. Agro-pastoral communities are highly vulnerable to drought...
12 November 2017 7,439 12 View
Dear scientific communities, I want to learn in detail how soil pH (acidity/alkalinity) influences nutrient availability to plants. The problem of soil acidity is common in tropics and...
15 October 2017 1,779 10 View
Sub-Saharan African countries are frequently hit by drought. These countries have no advanced industries that release greenhouse gases into the atmosphere rather traps CO2 released by...
05 October 2017 8,756 10 View
Besides, what is the reason behind an argument which says "soil OC storage capacity of a soil is limited regardless of quantity of carbon input". Please I want to know if there is any general...
18 September 2017 5,818 3 View
Related to soil characteristics
01 August 2017 7,994 7 View
There might be characteristics that makes such soils special.
01 August 2017 2,742 4 View
Please extend your information. I need it carefully.
01 January 1970 8,477 12 View
Soil pH can be reduced or increased by the addition of soil amendments. The change in soil pH, however, is affected by the composition of organic amendments, C and N cycles in the soil, and the...
01 January 1970 555 2 View
Soil organic matter is made up of four major pools or fractions – plant residues, particulate organic carbon, humus carbon, and recalcitrant organic carbon. Plant residues and particulate...
01 January 1970 594 10 View
I read many papers on the use of titration methods for determining lime rate. But there is no consistency on which soil: water ratio or soil to 0.01 M CaCl2 ratio is reliable for determining lime...
01 January 1970 3,419 0 View
I want to estimate the lime rate for acid sandy soils based on the pH buffering capacity (pHBC) of soils. Moreover, I need to evaluate the impact of different organic amendments on the soil pH...
01 January 1970 1,535 0 View
01 January 1970 6,141 4 View
Dear all, I found a unique soil having CEC (cation exchange capacity) below 50 cmolc/kg but PBS (percent base saturation) as high as 260%. Actually, the soil has very high amounts of calcium (Ca)...
01 January 1970 7,859 5 View