How to convert soil nitrate from mg/kg to Kg/ha? and how to calculate the % number of soil samples nitrate increased and or decreased?

Hello to everybody, I have three different cropping sites soil samples of three different years, I want to compare the leaching of nitrate with the first, year. my first question is how to convert...

10 November 2019 6,701 5 View

Hello friends. how to calculate the percent porosity from soil profile picture after analysis buy Image J software?

i have camera pictures of different soil profile with field dimension of 65*65 square cm, but in image J software i'm selecting a portion visible pores area (RIO) instead whole image for...

07 August 2018 4,450 5 View

How to extract bromide from soil samples for the analysis by using Chromatography?

i applied the KBr solution in the field before sowing. of maize, and sampled the soil after harvesting of maize for analysis of KBr up to depth of 200 cm.

31 December 2017 401 1 View

Hi every body: how to calculate nitrate nitrogen and ammonium concentration?

i want to calculate nitrate nitrogen and ammonium concentration from from leachate(extracted ground water by lysimeter) which farmula i should use to calculate above two specie? thanks

07 August 2017 7,471 3 View

Hi ever body,.

i am working on Nitrate nitrogen and phosphorus dynamic in the soil and designed the field experiment of winter wheat and summer maize crops rotation for five years, i need to know the...

10 November 2016 9,625 1 View

Hi all respectibles

01 January 1970 2,263 0 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

No title

03 March 2021 5,360 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Samples to study circular dichroism (chirality)?

I want to build a low-cost polarimeter to study circular dichroism (chirality). What type of samples can I use? I am looking for samples that can be found outside the laboratory.

01 March 2021 9,101 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

What are the harmful effects of these extreme rainfall on the health of newborns? What are the reasons for that?

Extreme rainfall associated with climate change is causing harm to babies in some of the most forgotten places.

01 March 2021 5,647 4 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View