Abstract
The study’s objective was to determine the effect of dose Fertilizer Coop Chicken and Plant Growth Promoting Rhizobacteria on growth and yield crops of onion (Allium ascalonicum L.). The research was conducted in the agricultural land of Sadasari Village, Argapura District, Majalengka Regency, West Java. With an altitude of 639 masl, starting from April 2020 to June 2020. The research method used a randomized block design (RBD) Factorial pattern was repeated 3 times. The treatment tested is Factor 1 is chicken manure (K), consisting of three levels: k 1 = 10 tons / ha, k 2 = 15 tons / ha and k 3 = 20 tonnes / ha. Factor 2 is PGPR (P), consisting of three levels: p 1 = 5 ml / litre water, p 2 = 10 ml / litre water, and p 3 = 1 5 ml / litre water . The difference in the average treatment was tested using Duncan’s Multiple Range Test at the 5% level. The results showed that there was an interaction between the dose of 20 ton / ha of chicken manure and 10 ml / l of PGPR of water on the average number of leaves aged 28 and 35 hst. The independent effect of chicken manure had a significant effect on the average plant height at 14 days and 35 days of planting, tuber diameter, average tuber wet weight per hill, and the average tuber dry weight per hill. The independent effect of PGPR has a significant effect on all observed parameters.
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