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Questions related to Soil Analysis
We have to determine easily-extractable glomalin (EEG) and total glomalin (TG) from soil samples, but we have found various contradicting methods and calculations. Is there a trusted method that...
21 October 2020 3,207 3 View
The fact that there are no proper laboratory equipments devised till date for direct tensile testing of soil, I'm looking for a simple indirect procedure that would help in determining tensile...
13 October 2020 8,381 2 View
GDP is the product of GTPase reaction. In the biochemical setup containing enzyme GTP and GDP, GDP acts as an inhibitor as the enzymatic activity was found to decreased. Km increases and vmax and...
04 October 2020 6,607 16 View
I have found some tools which would be inserted to the soil, but I'm not sure about its accuracy. Can anybody suggest inexpensive, easy-to-use, accurate soil testing tools/kits?
01 October 2020 1,735 3 View
The main component of vermicompost is cow dung and earthworm, and it is mainly used as to supply of organic matter and different essential elements to the soil. On the other hand, organic manures...
22 September 2020 3,798 8 View
Hi, I am air drying soil samples of a number of soil types to be used to produce a soil moisture curve for the callibration of soil moisture sensors to the diffrent soil types. Once the soil is...
08 September 2020 4,436 3 View
I am working on the soil microbiome of heavy metal contaminated soil. I extracted gDNA from the soil sample using the FastDNA Spin Kit and performed ethanol precipitation to clean up the salt...
02 September 2020 4,172 2 View
There are several methodologies and quality publications available regarding on soil quality index but they have not considered the soil biochemical properties. Please let me know the scientific...
31 August 2020 2,107 37 View
I want to grow plant under water stress (30% field capacity). But I don't know how to calculate amount of water needed to maintain soil moisture at 30% field capacity in pot with growing plant....
28 August 2020 3,434 4 View
I'm trying to compare fungal communities in the soil of two neighboring ecosystems. I need a protocol for soil sampling to later use for sequencing fungal communities.
26 August 2020 6,951 3 View
Hi, I have a problem in measuring soil pH. The soil is collected from a coastal sand dune and my extracting solution is made with the following procedure: 5g of soil + 25ml of distilled...
19 August 2020 9,790 3 View
Hello I monitor the water quality for 7 days and check the physio-chemical properties of water so after 7 days I get 21 data points . So can anyone helps me to figure out my doubt that we can...
18 August 2020 6,090 5 View
Hi colleagues, Because of the complexity of modelling geogrid layers and their interfaces which can cause convergence problem in FE analyses, I have seen in practice they model the whole MSE wall...
15 August 2020 4,796 3 View
TCE is toxic organic compound, and is volatile at room temperature.
04 August 2020 4,326 2 View
I can not describe morphology of some AMF spores isolated from soil sample. Permanent slides in PVLG+Melzer, x600, light microscopy and phase-contrast microscopy. Pink stained spherical structures...
02 August 2020 3,602 3 View
I want to perform soil nutrient analysis. I want to use X-ray fluorescence technique instead of chemical analysis that is conventionally used in lab. Is it reliable to use X-ray fluorescence for...
29 July 2020 8,878 3 View
Hi everyone, i would like to extract some elements and molecule from soil for an Continuous-Flow Analysis (Futura, AMS Alliance) but for these analysis I only have very little material (about...
27 July 2020 8,530 3 View
Hi, Equivalent viscous damping ratio is an indicator that is often used for the analysis of seismic performance of masonry walls. Two definitions are frequently used (see attached figure) : -...
27 July 2020 4,743 4 View
I want to assess the health level of forest cover and detect the most vulnerable sites for better management purposes. I am using machine learning tools and remote sensing imagery to detect,...
23 July 2020 7,832 4 View
Hello everybody, Could somebody help me with my simulations? I'm trying to do a nonlinear static simulation in 3 steps in Abaqus. Let me tell you a bit more about my simulations, my goal is to...
13 July 2020 518 3 View
Hi, I am currently trying to determine rare earth and heavy metal concentration via ICP - OES. I have been preparing soil samples via digestion using solution B, however results obtained were...
01 July 2020 2,172 1 View
will i require a collimator for investigation of gamma attenuation or the same experimental set up can be performed for both gamma attenuation and radioactivity check .I am using gamma ray...
30 June 2020 5,485 3 View
Hi there, is it possible to accurately determine mineral N (ammonium and nitrate) from a soil sample that has been stored for several months at -20°C? What are your recommendations? Thank you
23 June 2020 6,392 3 View
Hello everyone, I am working in Central America and I would like to create a document that could help me to calculate "simply" the nutrients disponibility in the soil of coffee fields. The...
11 June 2020 9,801 4 View