STUDIES ON THE EFFECT OF ORGANIC MANURE AND BIOFERTILIZERS ON FRUIT AND SEED YIELD OF TOMATO (Solanum lycopersicum L.)

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2012
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ABSTRACT The present study entitled "Studies on the effect of organic manure and biofertilizers on fruit and seed yield of tomato (Solanum lycopersicum L.)" was carried out at Experimental Farm of the Department of Vegetable Science, Dr. YS Parmar University of Horticulture and Forestry, Nauni, Solan (HP) during Kharif season of 2011. The experiment was laid out in Complete Randomized Block Design (CRBD) comprising of ten treatments treatment combinations of organic manures and biofertilizers viz. T1:FYM @ 20 t/ha, T2: Vermicompost @ 5 t/ha, T3: Neem Manure @ 2 t/ha, T4: Biovita Granules @ 50 kg/ha, T5: Biofertilizers (Azotobacter + PSB + KSB) each @ 5 kg/ha, T6: T1+ Biofertilizers, T7: T2 + Biofertilizers, T8: T3 + Biofertilizers, T9: T4 + Biofertilizers and T10: Control. Observations were recorded on number of primary branches per plant, days taken to 50% flowering, plant height (cm), number of fruits per plant, average fruit yield per plant (g), fruit yield (kg /plot and q/ha), harvest duration (days), shelf life of fruits (days), total soluble solids (0Brix),ascorbic acid content (mg/100g). ), number of seeds per fruit, seed yield per plant and plot (g), seed yield per hectare (kg), thousand seed weight (g), seed germination (%), seed vigour index I and II, soil pH, EC (dSm-1), organic carbon (g/kg) and available NPK in the soil before start of experiment and after final harvest. The economics of different treatment combinations were also calculated. Among all the treatments, treatment 'T7' (Vermicompost + Biofertilizers) performed best for most of the fruit and seed characteristics including fertility status of soil, but benefit: cost ratio was obtained highest with the treatment 'T9' (Biovita + Biofertilizers), rated as second best treatment for most of fruit and seed yield characters. Hence, treatment 'T9' from economic point of view and treatment 'T7' for retention of soil fertility year after year and getting high fruit and seed yield, can be recommended for commercial cultivation.
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