Government phasing out 23:21:+4s fertilizer


The Ministry of Agriculture has started phasing out NPK fertilizer formulation of 23:21: +4S because it has no potassium, officials said over the weekend.

The 23:21 is now being replaced with NPK formulation of 23:10:5+6S+1.0Zn, said, Oborn Tsoka, Public Relations Officer in the ministry.

“Since January this year, we are only issuing licenses to those traders importing the new formulation of fertilizer,” Tsoka said.


He said the ministry is conducting sensitization meetings with farmers on the importance of using the new formulation as another way of facilitating the phasing out of 23:21: +4S formulation.

“We are encouraging our farmers to use the new formulation which has potassium and zinc as a micro nutrient,” he said.

Tsoka said the recent soil analysis shows that most of the soils in the country lack potassium due to continued use of fertilizers without this micro nutrient.


The ministry is doing demonstrations in all the eight agricultural development divisions across the country to show farmers the profitability of the new formulation.

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