Author(s):

S Kamalakannan, Sheik Roohi Tasleema, R Rajeswari, R Sudhagar and S Kumar

Abstract: The experiment was conducted in the orchard, Department of Horticulture, Faculty of Agriculture, Annamalai University. The study was initiated in a twenty-year-old sapota orchard of cv. Kirthabarthi under normal planting density (8 m x 8 m). The experiment was laid out in Randomized Block Design with eight treatments comprising various combinations of FYM, vermicompost, RDF and EM with three replications. The treatments are T₁ - Control, T₂ - FYM alone @ 50 kg tree^-1, T₃ - Vermicompost alone @ 12.5 kg tree^-1, T₄ - RDF alone (1000:1000:1500 g NPK tree^-1), T₅ - FYM+ RDF, T₆ - Vermicompost + RDF, T₇ - FYM+ RDF+ EM and T₈ - Vermicompost + RDF+ EM. The results of the present study revealed that the leaf nutrients content increased with the application of different treatments as compared to control. The treatment T₈ recorded the maximum leaf nutrient content of nitrogen (1.69%), phosphorus (0.098%) and potassium (0.99%).

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