Sajjad Raza

5 Questions 6 Answers 0 Followers

Questions related from Sajjad Raza

How can we differentiate whether plant uptake nitrate of ammonium?

Plants usually uptake nitrogen in the form of ammonium and nitrate. If we supply 15N labelled nitrogen fertilizer in the form of ammonium which will eventually get nitrified. I am interested to...

02 August 2020 728 5 View

Amount of lime application on soils by different countries?

Lime is used to ameliorate soil acidity. I am looking for statistics about the amount of lime use on soils by different countries in different years. Could someone please suggest a database from...

14 May 2020 6,698 0 View

How to calculate the future food supply and demand for a country?

I will appreciate the valuable inputs on how to calculate future food supply and demand of a country.

17 January 2020 3,883 3 View

N fertilization release protons during nitrification, could someone please advise at how much soil depth these protons can travel?

During nitrification process, protons are released, which reduce the soil pH and results in soil acidification. I am interested in knowing at how much depth these protons can travel down the soil...

05 April 2019 450 7 View

How to determine Dicyandiamide (DCD) in soil using spectrophotometer?

We have used dicyandiamide (a well known nitrification inhibitor) in soil and I want to determine the degradation of dicyandiamide with time. An HPLC method is available for its determination,...

13 March 2018 8,707 3 View