Potato Journal

Phosphorus and potassium accumulation pattern was studied in different plant parts of ‘Kufri Sindhuri’ potato (Solanum tuberosum L) under varying levels of nitrogen (0, 60, 120, 180 and 240 kg N/ha) and phosphorus (0, 60, 120 and 180 kg P₂O₅/ha) fertilization, in field experiments conducted during 1968–69 and 1969–70 at Pantnagar (U. P.). Nitrogen and phosphorus application increased the phosphorus accumulation in all plant parts at almost all the stages of crop growth. The increase in phosphorus accumulation was more conspicuous in tubers than in leaf and stem. The relative proportion of phosphorus accumulated in different plant parts changed with age but nitrogen application did not show any marked effect. Nitrogen and phosphorus application also increased the potassium accumulation. However, the eHect of phosphorus application was not that marked as in case of nitrogen application.