Effect of different sources of silica on nutrient content of leaves and fruit at different stages of alphonso Mango (Mangifera indica L.) in lateritic soil
2015
More, S.S. | Gokhale, N. B. | Shinde, S.E. | Korake, G. N.
The study was conducted to know the effect of application of chemical fertilizer in combination with silicon on yield and quality parameter of mango (Mangifera indica L.) in Lateritic soil of Konkan region. Four sources of silicon were used for study with three different concentrations. There were total thirteen treatments viz., T₁(RDF i.e, FYM 10 kg, 3 kg urea:3 kg SSP: 2 kg and Sulphate of potash kg per tree⁻¹), T₂ (T₁ + 2t calcium silicate hectare⁻¹), T₃ (T₁ + 3t calcium silicate hectare⁻¹),T₄ (T₁ + 4t Calcium Silicate hectare⁻¹), T₅ (T₁ + Rice husk ash @ 1.0 kg tree⁻¹),T₆ (T₁ + Rice husk ash @ 1.5 kg tree⁻¹), T₇ (T₁ + Rice husk ash @2.0 kg tree⁻¹), T₈ (T₁ + Silixol spray @ 0.5 ml L⁻¹), T₉ (T₁ + Silixol spray @ 1.0 ml L⁻¹), T₁₀ (T₁ + Silixol spray @ 1.5 ml L⁻¹), T₁₁ (T₁ + Potassium silicate spray @ 0.5 per cent), T₁₂ (T₁ + Potassium silicate spray @ 1.0 per cent) and T₁₃ (T₁ + Potassium silicate spray @ 1.5 per cent) replicated thrice in RBD design. Two trees for each treatment were selected. The spraying schedule of crop protection was followed and the recommended dose of fertilizer applied during month of June both years of experimentation through urea, single super phosphate, sulphate of potash and FYM, respectively. During the course of investigation the nutrient content in mango leaves and nutrient content in mango fruit pulp at mature and ripe stage were studied. It is revealed from the study that use of foliar spray of 1.5 ml L⁻¹ stabilized silicic acid i.e, Silixol showed beneficial effect on nutrient content in mango leaves and fruit pulp at various stages.
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