Vitamin C content of guava in conventional versus organic farming system

Investigations on the quality profile of organic and conventional guava grown in new alluvial zones of West Bengal, with special emphasis on vitamin C content of the fruit, revealed that the guava fruits grown under conventional system was although had higher weight (142.33 g) and yielded maximum (41.27 kg tree⁻¹), the organically produced fruits showed higher vitamin C content (139.27 mg 100 g⁻¹) as compared to conventional one. Besides the organic fruits were found richer in minerals like phosphorus, potassium, zinc, manganese and calcium. Based on the findings, growing of guava under organic system was recommended.