Vol. 11, Issue 12 (2022)

Sapota yield quality, soil and leaf nutrients were investigated during 2018-2019 at Department of Fruit Science, Kittur Rani Channnamma College of Horticulture, Arabhavi in sapota var. Kallipatti orchard to understand the stage wise application of N, P & K relationship between sapota yield quality, leaf & soil nutrition. Before harvest the maximum available of nitrogen (266.34 g and 264.54 g), phosphorous (19.95 g and 19.67 g) was recorded in T₃ and T₄ and potassium (326.36 g and 322.75 g) was recorded in T₃ and T₄. After harvest maximum available of nitrogen (269.00 and 267.59 kg/ha) was recorded in T₅ and T₄, phosphorous in T₃ (20.45), potassium (327.49 g and 323.12 g) was recorded in T₃ and T₄. The maximum leaf nitrogen content (2.36), phosphorous (0.26) and was recorded in treatment T₃ and potassium (2.58) content was noticed in the treatment T₄. Minimum leaf nitrogen content (2.25), lowest phosphorous (0.19), potassium (2.47%) was noticed in control T₅. highest yield per tree 17.35 kg and yield 0.13 (t/ha) was recorded in treatment T₃. Stage wise application of N, P, K and organic manure is important to soil fertility, which may increase yield and improve quality in field-grown sapota orchard.