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Questions related to Soil Analysis
I'm working on printing inks and i'm studying the granulometry of milled pigment concentrates. I know the RI and the density of pigments, but how can I verify which is the most suitable indeces...
12 September 2022 4,650 0 View
We presume that for a RBD analysis any number of treatments can be analyzed. However, there is limit on minimum as well as maximum number of treatments beyond which its precision is lost. My...
30 August 2022 3,134 4 View
what is soil-based carbon sequestration? and how can I measure or estimate scientifically?
04 July 2022 4,369 5 View
Please help ! How can I extend GWR model to GWRK model? I have obtained the residuals from GWR, but I don't understand how can I add the residual kriging for extending GWR model.
22 March 2022 6,912 3 View
I have digested 30mL of water in H2SO2 and the final volume is 100. After taking 5ml for distillation, the titration volume with HCL 0.01N for water sample was 1.7mL and for blank was 0.1mL.
09 February 2022 688 3 View
Tool or server for epitope prediction
26 January 2022 513 3 View
I want to prepare a unidirectional parallel porous structure with ionotropic gelation of sodium alginate. I tried it with sodium alginate solution and CaCl2 or CuSO4 electrolytes as many articles...
21 November 2021 1,409 3 View
It is a famous model which can be used to calculate the critical load of acidity for forest soils
23 September 2021 6,547 3 View
I am first time working with Pythium sp. I got few media from research articles such as V8 agar, Corn meal agar, NARF, NARM etc. I want to know which one is better to use for the growth of Pythium...
12 August 2021 8,526 15 View
I am working on endophytes in the Cannabis family and have run into a problem when surface sterilizing hemp seeds. They will not germinate with various protocols i've used on other plants. I have...
14 June 2021 6,190 6 View
Dear RG members I frequently use the Web of Science. What‘s your choice? Thank you so much!
13 May 2021 1,646 11 View
I just prepared solution for LN-AS medium with KH2PO4 (0.2g), MgSO4 x 7 H20 (0.5g), CaCl2 x 2 H20 (0.1g) and succinic acid (1.3g). Everything dissolved completely before autoclaving, but after it...
19 April 2021 9,694 3 View
How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?
24 February 2021 3,347 7 View
How can I select variables for PCA analysis from huge set of data? except the biological significance of the variables, are there other criteria for objectively choosing the most relevant...
22 February 2021 9,724 10 View
I have use ABAQUS to simulation soil creep. In my soil model, the elastic part is follow linear elastic model, the plastic part is follow Modified Drucker-Prager/cap model and the creep part is...
21 January 2021 3,195 0 View
My samples are very high in organic matter, and even small amounts of H2O2 cause the samples to foam up 4-5 times the beaker volume, spilling onto the lab bench. Is there anything that can be done...
18 January 2021 8,905 3 View
1. Please anyone tell me if I analyse my soil nitrogen through CHNS analyser and I get my reading in N% and according to the calculation if my reading is 0.07% then: N Kg/hectare =...
15 January 2021 7,576 11 View
I see huge discrepancy between researchers (difference for the same class is somewhere up to 0.2). What determines the choice of the appropriate value ? What is the role of spatial resolution of...
12 January 2021 3,968 2 View
I want to test the chloride ion concentration in the soil sample where I am conducting a research, but I cannot find a procedure to proceed. Thanks in advance!
08 January 2021 5,793 9 View
I have soil samples that have been frozen for a while and I need to re-acclimate them for a series of analyses that require incubation at 25C. I have been looking for laboratory methods but seem...
05 January 2021 5,065 3 View
Can any one share the calculations. as double ammount of ammonia is present in ammonium sulphate. 0.1mM solution of ammonium sulphate contain 200 micromoles of ammonia is this correct. i have to...
30 December 2020 3,525 7 View
I have 1851 soil samples data on pH covering a study area of 7482sq.km in northern Ghana and I am using 52 environmental long-term average variables (Relief, Climate, MODIS Reflectances and...
28 December 2020 2,865 6 View
Hey; I am looking to work on clays in my soil samples, So I need to extract them first. I know that I should first remove all the bending agents that make the clay sheets stay connected like (...
25 December 2020 7,200 2 View
We are doing the prediction of soil nutrients using spectral information by applying machine learning models. More than 300 soil samples were used from one district for analysis. We got the...
22 December 2020 9,825 3 View