Impact of nitrogen with organics on quality attributes and yield of carrot root (Daucus carota)

Shanmugasundaram, R.; Savithri, P.

Advances in Plant Sciences 15(2): 637-639


ISSN/ISBN: 0970-3586
Accession: 003804607

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A field experiment was conducted in Nilgiris, Tamil Nadu, India, in 1993 to study the effect of nitrogen fertilizer, singly (60, 120, 180, and 240 kg/ha) or in combination (120 kg/ha) with lime (5 t/ha), farmyard manure (FYM; 10 t/ha), neem coated urea, biofertilizers (Azotobacter and phosphobacterium, each at 2 kg/ha), or lime+FYM+biofertilizers, on the yield and quality of carrot cv. Zino. Lime was applied one month before sowing, whereas FYM and biofertilizers were broadcasted before sowing. N at 240 kg/ha resulted in the highest root yield (57.7 t/ha), and root ascorbic acid (6.4 mg/100 g) and nitrate N (283%) contents. The highest carotene contents were obtained with 240 (16.7 mg/100 g) and 180 (13.6 mg/100 g) kg N/ha.