Pusa digital soil test fertilizer often identified, Recommendation meter as pusa, Stfr, Developed by indian agriculture research institute iari, New delhi. Quantitative estimation of 14 parameters viz. Ph, Lime & gypsum requirement, Conductivity, Available nitrogen, Organic carbon, Phosphorous, Potassium, Sulphur, Zinc, Boron, Iron, Copper and manganeseministry govt. Of, Of agriculture india has incorporated this kit as an official kit for issuing soil health cardsavailable including a regular packing of reagents for 50 or 100 samples, Alongwith all accessories. Refills can be provided upon inquiry.