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
2,283 views 1,935 posts
Questions related to Soil
I am analyzing soil samples from a volcanic area (relatively young), formed by Andosols (non-allophanic), I have run all the routine analyzes (oxalate, DCB, pyrophosphate extractions, CEC....)...
06 June 2019 8,410 3 View
The mineralisation rates or soil organic matter are influenced by temperature and moisture. I am trying to classify climates, using associations between cumulated annual rainfall and annual...
06 June 2019 868 15 View
I am looking for a paper quoted like follwed in another paper: SOil and surface WAter Protection using conservation tillage in northern and central Europe (SOWAP), 2007. LIFE03 ENV/UK/000617,...
31 May 2019 996 3 View
05 May 2019 2,797 3 View
Is it possible for geotextile reinforced embankments to have an increase in the Factor of safety together, with the increase in deformation below the toe of the embankment? The R squared values...
05 May 2019 1,076 6 View
I found that biochar has a little impact for enhancement of micro-nutrients on agricultural soil. So, is there any information about the release of micro-nutrients from biochar to soil? Any...
05 May 2019 1,364 6 View
Hi all, I have been told that you can take soil (it is currently frozen) and suspend it in water to then be able to take a swab (as bacteria can be hard to extract from soil), but I have not been...
05 May 2019 461 3 View
I am looking for values comparing the yields (potential and or average), net primary production, amount of residues for the main crops over the world, ... anything related to the amount of...
04 April 2019 8,378 13 View
Dear colleagues, I have been searching about correlations between N-SPT and drained friction angle for sands. However, some authors don't write the respective energy efficiency used for those...
04 April 2019 3,125 3 View
Software to calculate rainfall erosivity (like the application of Web ERosivity Module (WERM))
04 April 2019 9,396 2 View
if the flow of water in a leaked underground water or sewer pipeline is: 1) Continuous flow 2) Non-continuous flow (Cyclic flow) In both cases which case is more risky when it comes to ground...
20 March 2019 5,041 3 View
The OECD provides a method to determine WHC. I have found that this is not transferable to "real" soils, and am investigating alternative methods. I would welcome advice about the OECD method or...
15 March 2019 9,355 3 View
03 March 2019 8,758 5 View
03 March 2019 7,897 5 View
How long do pesticides stay in the soil after spraying?
09 February 2019 7,357 3 View
I am looking for maps that provide information such as: soil type, degree of saturation, and any other parameter that can be used to estimate infiltration rate.
02 February 2019 2,812 8 View
Soil samples collected for analysis are stored in bags. It is not always possible to dry them or send them to the lab immediately. Will that affect SOC determination? or can soil samples be dried...
02 February 2019 4,530 3 View
Hello ! I have a question about PERMANOVA and PERMDISP. I have four types of vegetation (A, B, C, D) and two sets of environmental variables (Soil, with n variables and Climate, with m variables)....
02 February 2019 6,364 5 View
02 February 2019 7,638 3 View
I'm planning an experiment for this upcoming summer and I'm in need of a good supplier of severely nutrient-impoverished river sand (washed) in the USA? Does anyone knows a company that sells this...
02 February 2019 4,595 5 View
Hello, I want to try to find the water bears in the soil, but I am considering about the water bears that can survive in a hot and acid/base environment? Thanks!
12 January 2019 5,368 4 View
There are 4 type cones: 1- base area 1 cm2 2-base area 2 cm2 3-base area 3.33 cm2 4-base area 5 cm2. According to ASAE standards, for soft soil they recommends base size 3.23 cm2 however the cone...
01 January 2019 6,737 3 View
01 January 2019 1,928 4 View
I am running a critical state soil model by MS Excel. For the tri-axial compression drained test, I just input the vertical stress increment for a substep while keeping horizontal stress constant....
30 December 2018 2,392 2 View