Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer. by Sunday | Jan 20 | Agricultural Science WAEC | 0 comments A. 5.0 kg B. 7.0 kg C. 10.0 kg D. 20.0 kg Correct Answer: Option C C. 10.0 kg Users Also Read These:A bag of fertilizer has a ratio of 10:0 written on…A known weight of soil sample was oven-dried to…If the percentage of nitrogen in ammonium sulphate…If 200kg of NPK fertilizer is required for an…The use of inorganic fertilizer is preferable to…