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Questions related to Soil Analysis
Please explain me if the above question is true.
23 February 2021 7,934 3 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 9,844 10 View
I'm looking for darvic/salbex white sheet (0.5 thickness) to flag and attach geolocators on shorebirds in China. But unfortunately, BTO ran out of white that I need and another supplier from the...
11 February 2021 6,358 0 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 3,255 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 9,103 3 View
Hi All I am drying marine sediment which is composed of a lot of fine grains. I have washed the sample and both placed in an oven and air dried. However, both times I develop a clay crust on top...
18 January 2021 9,905 5 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 7,970 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 4,079 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 6,021 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 5,376 3 View
We are trying to fluidize sand of diameter 300 to 600 microns using a fluidized bed of diameter 65mm. The bed is fluidizing at 0.7 meters per second. According to the literature, the bed must...
02 January 2021 531 8 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 3,607 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 3,113 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 7,378 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 10,054 3 View
How can we analyses the amount of plant smokes with Gas chromotography (GC/MS)?
14 December 2020 5,594 0 View
Chromium is one of the main chemical ingredients of tannery industries. Those industries also produce a lot of chromium contaminated solid wastes. what are the biotransformation and...
13 December 2020 4,323 4 View
I have ion chromatgrahy by which different type of cation and anion can be determined . kjeldal nitrogen arrangement is also available but it is not convenient to me rather than ion...
11 December 2020 1,355 5 View
could anyone tell me, why the yield of Foxp3 cells was too low in the murine Treg differentiation assay. I isolate the CD4+ cells from C57BL/6 mouse spleen, and then seed on anti-CD3 coated...
02 December 2020 209 4 View
Bulk density of a forest soil sample in a community forest created under social forestry scheme in the district of Nadia, West Bengal is obtained as 0.81 gm/ cubic centimetre, comparatively too...
01 December 2020 5,158 33 View
I am currently doing my final year project on Geochemical analysis of peat samples. I will be looking at parameters such as major and trace elements plus anions and cations. Should i take samples...
28 November 2020 6,984 18 View
Dear all, It is possible to determine ammonium and nitrate concentration on 2M KCl extracts by HPIC (Ion Chromatography)? Can you suggest me some analytical protocol (or manuscript) to determine...
10 November 2020 6,197 3 View
I also want to know the equation used to solve ki of an inhibitor
09 November 2020 437 7 View
I have tried using PowerSoil Pro kit from Qiagen with slight modifications- incubating at 65 degree for 10 mins after adding solution CD1, increasing the number of washes with CD5 to 3 times and...
28 October 2020 8,049 3 View