Author(s):

Baseerat Binti Nabi and Khushboo Farooq

Abstract: A field trial was conducted during 2015-16 at the experimental field of Division of Fruit Science Sher-e-Kashmir University of Agricultural Sciences and Technology. The trail was conducted to observe the effects of Nitrogen, Phosphorus and Potassium on available nutrients, which consisted of 10 treatment combinations with different levels of Nitrogen, Phosphorus and Potassium. Investigation revealed that highest available nitrogen (311.6 kg ha^-1) was recorded in T₄ treatment with 105g N, 35g P₂O₅ and 150g K₂O. Highest available phosphorus (21.08 kg ha^-1) was recorded in T₇ treatment with 85g N, 45g P₂O₅ and 150g K₂O. Highest available potassium (248.44 kg ha^-1) was recorded in T₁₀ treatment with 85g N, 35g P₂O₅ and 180g K₂O. Highest exchangeable calcium (588.33 ppm) was recorded in T₄ treatment with 105% N, 35g P₂O₅ and 150g K₂O. Highest exchangeable magnesium (131.88 ppm) was recorded with 85g N, 35g P₂O₅ and 150g K₂O (T₃ treatment). Highest available sulphur (10.99 ppm), highest available zinc (0.76 ppm), highest soil copper (1.24 ppm), highest available manganese (19.99 ppm), highest available iron (36.81 ppm) was recorded in T₄ treatment with 105g N, 35g P₂O₅ and 150g K₂O.

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