Studies on Different Dilutions of Distillery Spentwash for Foliar Application and Its Effect on Soil Properties, Growth, Yield and Quality of Tomato
2022
HR, Savitha | Ca, Srinivasamurthy | Ss, Prakash | GC, Shashidhara | S, Bhaskar
A greenhouse experiment was conducted at GKVK Bengaluru, Karnataka during 2013 to decide the best dilution of distillery spentwash to be utilized as a foliar spray for tomato crop. Results revealed that a foliar application of 1:5 dilution of distillery spentwash resulted in higher growth parameters compared to other dilutions. Based on greenhouse experiment results, a two year field experiment was conducted in a farmer’s field at Mandya district, Karnataka during 2013 and 2014. Pooled analysis of two years of data (2013 and 2014) revealed that at 60 DAT, the treatment which received 100% RDF + 5 sprays of distillery spentwash at 1:5 dilution recorded significantly higher plant height (110.2 cm), SPAD meter reading (22.9) and higher fruit yield (7.14 kg plant⁻¹ and 78.9 t ha⁻¹) compared to other treatments. Lower plant height, SPAD reading and yield were recorded in the 100% RDF + water sprays (5 times). Also, significantly higher ascorbic acid content (54.2 mg 100–1) and lycopene content (14.0 mg 100–1) of tomato fruits were determined in the treatment receiving 100% RDF + 5 sprays of distillery spentwash at 1:5 dilution. After harvest of tomato crop, soil properties were higher in treatment which received 100% RDF + 5 sprays of undiluted distillery spentwash; but soil pH was higher in the treatment that received water spray.
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