Chemistry | Fertiliser industry | NPK Calculations | Mlungisi Nkosi

How to calculate percentage presence of Primary nutrients in fertilisers? Well, this simple lesson will answer that and more... You will also be able to calculate the mass of each nutrient in fertilisers.

[suppliesreptiles]

best explanation i think on you tube, pls advise how to calculate the bracket number if not provided...
of a 19.14.29

[AlteredGamersSA]

Hi Mlungisi! I love your channel! Your way of explaining makes things is alot easier to understand than the teachers I had 25 years ago!
My problem was i did chem and organ chem back in school but did nothing related to any fertilisers :( I dont think the SA farmers wanted their secrets shared ;) lol

I was wondering if you could help me work out a fertilizer with
an NPK of 3-1-1?



The macro nutrients i need to use are: (They are all in powder form and I need to keep them like that)

Magnesium sulfate,
Potassium nitrate,
Ammonium phosphate monobasic
and ammonium nitrate.


Your help would mean a lot! <3
Thank you so much!!!

[thobilemasoka]

Thank God! Been praying that you cover this chapter 🙏😂😂❤️❤️

[bonanimbizweni]

We missed you on Physics side sir ❤️❤️

[boipelosalome]

Mr i haven't watched this topic as yet because want to understand, The exam guideline changes from year to year, my question is which exam guideline are they using for May-June exams?( upgrading) please help me out because there's another part of organic chemistry that was not in the exam guideline last year.

[nikkopat]

For example, in every bag or container of fertilizer. The 40% NPK in 12kg is always located at the nutrient composition/Table? So the other 60% is also in the Table?

[vyberusso]

What if my npk is n 5 p 6 k 6

And I’m using 5 ml in a gallon of water. what percentage of Nitrogen is in the gallon of water ?

Do I say 5 % * 5ml = 25 % of nitrogen in a gallon of water.

[forger]

If I understand correctly, your country's labelling system of 5:3:4 (24) IS NOT THE SAME as an internationally available bag labelled 5:3:4 without that filler number?

[jasonpeterson]

Mr I have learned everything about photo electric effect but then I came across a question calculating the maximum wavelength in May June 2017 n I'm struggling to figure it out I went to the answer sheet to see how it's done but I'm still struggling a bit please if you don't mind I need help I'm just scared they ask a similar question again n i still don't know how it's done

[petrussehlabi]

I also need I want to understand if this topic still on or ? I don't see it on the question papers I'm busy with

[lethabozwane]

Please start with exponential and logarithmic functions... its giving me a problem

[mahlatsemashabane]

Sir I am still waiting for you to release a video on stoichiometry

[composur]

Question

4:1:3 (24) +0.5% Zn
Calculate the amount of NPK in kg

[AD-hrxf]

Sir is this still in the syllabus, will it be in the supplementary because last year they removed it

[unclesam]

Mr Nkosi, I'm currently upgrading and last year this topic was cut off so I'm enquiring If I'll need to study this topic as I'll be writing by November?

[nhlakaaa]

Thank you for the awesome video.... Is it going to be tested for November?

[barhleee]

Hi sir will this topic be examined in November?