The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants. | Contact experts in Soil to get answers
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Questions related to Soil
I’ve read that soil samples for soil enzyme assays should be kept cool and at or near field moisture levels. But I cannot find information on how long these samples are viable for under these...
02 February 2021 4,796 3 View
Hi, I wonder if someone would share experience with building open-top chambers for surface heating of soil. My main question is what material can be used to build them? I found researchers using...
06 January 2021 5,534 6 View
Dear scientists, I have a question to ask you, it is known that Mn4+ is beneficial to the soil, but part of Mn4+ in the soil is easy to be converted to MN2 +, is there any way to inhibit its ion...
22 November 2020 1,378 5 View
Hi, I am currently trying to extract the pesticides fluroxypyr and prothioconazole from the soil by spiking using Dutch Mini Luke extraction method; however, I am failing. The instrument used for...
19 November 2020 4,118 9 View
Hi, I'm working with a set of soil analyses obtained from an external laboratory. Studying the results, I am highly confident that one of the analyses gave incorrect results because the values...
28 October 2020 8,862 10 View
Do we have any laboratory tests to determine the undrained residual strength parameters ? We use reversal direct shear test or ring shear test to determine residual strength, but in general both...
26 October 2020 8,231 3 View
Hello ! I would like to extract gDNA for soil to do NGS. We have the QIAGEN Powersoil kit. I did it twice now. First, according the kit instruction : concentration = 10 ng/uL, 260/280 = 1.4,...
22 October 2020 1,139 4 View
If the particle diameter is 2 mm and the particle density is 2.5 g/cm, what is the bulk density, porosity, and void ratio of this soil? I had known that the formula to calculate them. The...
12 October 2020 3,713 3 View
Dear peers, I am currently making a research proposal on conservation of some endangered Ceropegia and Brachystelma species. Please suggest some advanced models/methods/papers to evaluate the...
31 August 2020 7,833 12 View
Dear peers, It would be much appreciated if you could suggest papers or reports that emphasize the sampling considerations for microplastics in soil/terrestrial/agricultural environments. Thanks!
28 August 2020 8,831 5 View
Hello I am developing a soil column experiment to study pharmaceuticals transport and attenuation.I would like to know If is better to use a glass or a PVC column to perform this experiment and...
11 August 2020 6,351 3 View
I dont have any other soil maps for my study area.. How can i use this data to convert it into Hydrological soil groups A,B,C or D ?
05 August 2020 7,965 6 View
In one of my experiments, I am assessing root biomass from soil cores, in which I have the root dry weight data, the core parameters, and the respective bulk density and soil moisture values. I am...
29 July 2020 9,223 3 View
Hi, After some research, I have found recommended soil potassium to magnesium ratios ranging from 0.25 to 0.7 in agricultural soils (ratios calculated from CEC concentrations). Which one do you...
27 July 2020 5,570 8 View
In general, for example, we think soil consist of 40% of minerals, 10% of organic matters, and 50% of water and air. My question is as follow: Does the soil used for the above definition refer...
04 July 2020 5,071 1 View
Diazotrophs 'fix' atmospheric nitrogen into biologically available forms. In very general, non-technical terms, an over-abundance of these organic nitrogen forms within a soil beyond what biota in...
24 June 2020 1,338 3 View
I tested several non-traditional soil stabilizers (e.g. ligninsulfonate, biopolymers) with two different concentrations. The standard Proctor test showed that the additives reduced the OMC and...
18 June 2020 383 2 View
Residual soil is the product of the weathering processes for rocks. What are the main characteristics of this residual soil?
11 June 2020 7,093 49 View
Hi, It is possible bulk density decrease with depth ? (0-15 and 15-30 cm)
10 June 2020 5,081 15 View
I recently ran a greenhouse study that had 3 different grass species growing across 4 different soil substrates. There were 40 of each soil:species combination, leading to 480 samples...
30 March 2020 5,303 6 View
Given your specific discipline. Have you ever irretrievably lost data of an ongoing research project? How did you handle it? Thanks in advance. (Also, this is my story. A couple of years ago, in...
30 March 2020 405 21 View
Hi everyone! I am looking for a database that contains a list of organisms, preferentially bacteria, present in the air, water, and soil. Does anyone know any good database/website? Thanks!! Rocio
25 March 2020 2,124 3 View
Raindrops falling on the soil
24 March 2020 4,341 3 View
So I grew some radish seeds in a petri-dish using two different biochars. Is it correct to conclude that the seed number 2 is healthier than number 1? Can anybody help me to understand the growth...
13 March 2020 6,753 5 View