Towards sustainable agricultural production: Growth and production of three varieties of shallot with some various Nitrobacter bio-fertilizer concentrations

Abstract

Organic production is important for health and eliminates the risk of chemical residues. Taking part on sustainable agriculture production, this research was conducted in January to March 2017. Located in Palajau Village, in Jeneponto Regency, altitude 120 m above sea level, South Sulawesi. The research was aimed to determine the growth and production of shallot varieties and their interaction with Nitrobacter bio-fertilizer. The study conducted in the form of a two-factor factorial experiment using Randomized Block Design as environmental design. The first factor was varieties (Bima, Bangkok and Tajuk), and the second factor was concentration of Nitrobacter bio-fertilizer; control-without fertilizer, 30 and 60 mL of fertilizer per 3000 mL of water. Results show that the varietal treatment of Tajuk gave a good response to the observed parameters, and the Nitrobacter bio-fertilizer treatment of 60 mL of fertilizer 3000 mL of water gave good results on the number of bulbs per cluster, bulbs and dried bulbs per plot (of tons per ha bulbs). Bangkok variety combined with Nitrobacter bio-fertilizer concentration of 60 mL of fertilizer per 3000 mL of water per plot showed the highest yield of bulb that is 9.13 tons per ha compared with Bima and Tajuk varieties.

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