Have you ever converted soil texture into a one-dimension value?

Soil texture, determined by the measurement of particle size distribution, introduces three variables to create texture classes. However, if we forget about the three fractions (clay, silt and...

06 July 2019 8,987 11 View

How the boundaries between the soil mineral particles (i.e., sand, silt and clay) have been defined?

Particle size distribution (PSD) aka soil texture is a major feature to understand soils. Sand, silt and clay classes of mineral particles are so commonly used that they become part of the...

05 June 2019 8,873 12 View

Has someone ever developped a simple relationship between annual rainfall, annual average temperature and soil organic matter or carbon?

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...

05 June 2019 637 15 View

Could you recommend publicly available time series datasets on soils (large!)?

I am looking for large datasets including information on soils (texture, depths, carbon , etc.) and their location (GPS coordinates or climates data). Any suggestions? Any large studies which...

05 June 2019 7,697 9 View

Is there an acceptable way to convert soil carbon concentration values for a certain depth to another (for 0-20cm to 0-10cm)?

I am trying to compare soil carbon concentrations from different studies. The problem is that most of them use different sampling depths: 0-10cm 0-15cm 0-20cm 0-30cm ... Is there an acceptable...

04 May 2019 3,044 10 View

How much biomass is produced in average by the main crops?

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...

03 April 2019 8,100 13 View

How fast can soil organic matter decompose under tropical climates?

I am interested in the range of mineralization rates of soil organic matter mineralization in tropical settings. How fast can SOM be depleted? Under temperate climates we are often talking about...

03 April 2019 6,801 5 View

How to pack soil samples for soil microbial biomass analysis? How sensitive are soil biological parameters to transportation?

Hello, I am wondering about the sensitivity of soils during transportation. Imagine you want to measure soil microbial biomass using chloroform fumigation extraction, how consistent will be the...

10 November 2018 7,750 8 View

How to conserve and send soil samples for (biological) analysis on the other side of the world?

Hi, I would like to perform a range of soil analyses on samples collected in Indonesia. The analyses must be done in the UK... I was considering soil biological analyses such soil microbial...

08 September 2018 5,676 3 View

How to measure the quantity and nature of root exudates?

I am interested in the contribution of root exudates in soil processes. What is the recommended procedure to measure the magnitude of root exudates production (the quantity over a certain...

08 September 2018 8,218 6 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View