13 Questions 24 Answers 0 Followers
Questions related from Louadj Yacine
Calcium carbonate is one of the cementing agent the participate in the binding of soil particles together through physico-chemical mechanisms and presumbly create a stable soil structure . i want...
02 December 2016 7,953 18 View
i have an a-apriori knowledge about the autocorrelation function r(h) , and the more r is near 1 or -1, there is a significant spatial correlation, and also when the lag distance increase , the...
28 May 2016 541 3 View
i want to know the scientific or historic reason for this norm.
02 May 2016 779 9 View
One of the main factor that contribute to soil aggregation is calcium carbonate. How is that even whith high calcium carbonate in sodic soil, we still have poor physical quality ?
30 April 2016 5,522 11 View
i want to know if measuring these cation using electro-chemical methods give a reliable results, and if there is a protocol of how to use these techniques in Soil chemical analysis?
25 April 2016 8,987 3 View
Algeria ( my home country) is a country that had roughly 2 millions square kilometer of desert, and we want to classify and map these soils using satellites images ( orthorectified).
21 April 2016 9,743 6 View
the nugget effect is the value of the variogram when lag distance is equal to zero, and according to litterature, it's dependant on measurement error, i don't if any one can help me to calirify...
16 April 2016 7,110 5 View
i am searching of recent studies on saline wetland ecosystem, where the focus is on the soil and water rather than biotic aspect (faune and flore).
04 February 2016 8,335 6 View
i am working in lab, and i need to quantifiy the concentration of sodium and calcium in a soil solution sample, and i don't have an atomic spectroscometer , so is it feasible to do this kind of...
03 December 2015 3,298 6 View
I want to perform an easy experiment to my under graduate student so that they can measure easily and efficiently the dissolved oxygen in a waste water sample
15 October 2015 6,450 3 View
My concern is with coarser silt ( which are according to atterberg classification of grain size between 50 and 20 um ), is it advisable to sample them with the pipette without waiting for a time,...
16 March 2015 3,521 2 View
I was wondering whether the calcite is linked with the clay fraction and in the procedure of decalcification, there will be a loss of clay content.
05 March 2015 9,418 6 View
According to McNeal and Reeve ( 1964) who are the first to re-apraise the measurement of Ks in laboratory , they suggest to modified permeameter which take into account the flow of water from the...
06 January 2015 4,725 8 View
