Quality parameters and growth characters of Tomato as influenced by NPK fertilizer briquette and irrigation methods
2002
Kadam, J.R. | Sahane, J.S. (Mahatma Phule Agricultural University, Rahuri (India))
With drip irrigation, the quality parameters like total soluble solids (Brix) recorded higher TSS (4.6§ Brix). The use of 100 per cent BPK to tomato recorded significantly higher TSS (4.5§ Brix) than 75 per cent NPK (4.4§ Brix) . The pH of tomato juice showed a non significant difference in these two treatments. Tomatoes grown with surface irrigation had significantly higher acidity (0.70 per cent) than the drip irrigation (0.60 per cent acidity). The use of non briquette form for tomatoes recorded significantly higher acidity (0.67 per cent ) than the use of briquette form (0.67 per cent) than 100 per cent NPK (0.63 per cent acidity). The tomatoes frown with drip irrigation recorded 0.32 mg 100 g-1 lycopene in fruit and was significantly superior over the surface irrigation (0.24 mg 100 g-1). With the use of briquette form, the lycopene content was 0.30 mg 100 g-1 than the use of non briquette form (0.26 mg 100 g-1). The drip irrigation recorded significantly higher plant height (28.9, 54.4, 71.4, 78.5 cm) of tomatoes than the surface irrigation (24.2, 48.7, 63.5 and 70.5 cm) at 30, 60, 90 and at harvest, respectively. The yield of dry matter recorded with drip irrigation was 2527 kg ha-1 and was significantly superior to surface irrigation (2184.2 kg ha-1). The total yield of tomato was positively correlated with yield contributing characters like weight of fruits and number of fruits per plant as well as quality characters like pH.
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