Effect of organic and inorganic sources of nitrogen on growth and yield of garlic (Allium sativum L.) var. GG-4

Abstract

A field experiment was conducted at Regional Horticultural Research Station, Navsari Agricultural University, Navsari (Gujarat) during rabi season of 2015-16 for evaluating the effect of organic and inorganic sources of nitrogen on growth and yield of garlic (Allium sativum L.) var. GG-4 by using Randomized Block Design with three replications and 9 treatments comprising of 25%, 50%, 75% and 100% RDN through farm yard manure (FYM) and vermicompost (VC) as well as 25%, 50%, 75% of nitrogen through urea including 100 % RDF as a control. Results revealed that the application of different sources of organic and inorganic nitrogen, found significantly maximum in growth attributes viz., plant height (45.73 cm at 60 DAS and 61.80 cm at 90 DAS), number of leaves per plant (11.96 at 90 DAS) with earliest in maturity (127.15 days) by the application of 100% RDN through FYM. However, the bulb characters like fresh (24.46g) and dry weight of bulb (20.46g), diameter of bulb (39.15mm), no. of cloves per bulb (19.57), clove length (3.51cm), clove weight (2.10g) and yield (4.06 kg/plot and 8.16 t/ha) with maximum storage days (164.00 days) and minimum sprouting (6.66 %) was significantly influenced by the application of 100% RDN through vermicompost in garlic cv. GG-4.