Application of Bokashi Fertilizer and Duration of Water Supply to Increase Growth, Yields, and Quality of Shallot in Drylan

Paiman, Prodi Agroteknologi, Fakultas Pertanian, UPY (2020) Application of Bokashi Fertilizer and Duration of Water Supply to Increase Growth, Yields, and Quality of Shallot in Drylan. International Journal of Design & Nature and Ecodynamics Vol. 15, No. 5, October, 2020, pp. 711-719.

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Abstract

This study aims to improve the growth, yield, and quality of LP-VoS bulbs by applying bokashi fertilizer from goat manure and regulating the duration of water supply with a sprinkler irrigation system. This research is a field that arranged in split-plot design. The main plot is the duration of irrigation water supply, consisting of three levels, 0.5; 1,0; and 1.5 hours. The subplot is giving organic fertilizer bokashi goat manure, which consists of two kinds, namely: without bokashi fertilizer and the addition of bokashi fertilizer 15 t.ha-1. Each treatment was repeated three times so that in total, there were 18 experimental plot units. The results showed that the duration of irrigation 0.5 hours at intervals of 3 days, followed by the application of 15 t.ha-1 bokashi organic fertilizer could increase the bulb circle of 'Lembah Palu' varieties. The use of bokashi organic fertilizer 15 t.ha-1 could increase soil moisture so it can growth, yields, and quality of shallot bulb. The duration of irrigation with a sprinkler system for 0.5-1.0 hours at intervals of 3 days could result in the growth of total dry weight and total leaf area per plant as well as the number of tubers per clump, fresh weight of tubers per clump and yield of tubers per hectare higher than treatment of water for 1.5 hours at intervals of 3 days. Water supply regulations and the use of bokashi organic fertilizers can increase the growth, yield, and quality of LP-VoS bulbs on dryland. For the cultivation of ‘Lembah Palu’ varieties of shallots in dry land, it is necessary to apply organic fertilizers to increase the soil water content for increased production and q

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