Fazal Urrehman

7 Questions 9 Answers 0 Followers

Questions related from Fazal Urrehman

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...

13 November 2019 7,687 8 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...

20 August 2018 6,992 3 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.

05 January 2018 7,036 1 View

Hi friends: i applied the KBr as tracer in field, which one is best method for analysis of KBr in soil samples?

KBr was applied before sowing of maize as tracer for nitrate nitrogen leaching and

01 November 2017 5,676 5 View

Hi how can we differentiate between preferential and matrix flow

i need latest literature to answer this question under the winter wheat and summer crop . could any friend help me?

02 April 2017 7,894 1 View

Hi every one

what's the protocol for the determine organic matter in soil and organic carbon in soil? are there there same technique both of them. thanks

06 March 2017 1,663 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...

18 November 2016 7,055 1 View