Plant Growth Promoting Rhizobacteria (PGPR) Test and Several Doses of Goat Manure on the Growth and Yield of Sweet Corn (Zea mays L.)
DOI:
https://doi.org/10.59651/cceria.v19i1.229Keywords:
Goat manure, Plant Growth Promoting Rhizobacteria, Sweet CornAbstract
Soil fertility is one of the contributing factors to the low sweet corn production in Indonesia. This study aims to determine the growth and yield of sweet corn (Zea mays saccharata Sturt) using the organic PGPR test and several doses of goat manure. It employed a factorial Randomized Block Design (RBD) with three replications and two treatment factors. The first factor was PGPR, categorised as follows: P0: no PGPR (control), P1: 20 ml/liter of water, P2: 30 ml/liter of water, and P3: 40 ml/liter of water. The second factor was goat manure, categorised as follows: K0: no goat manure (control), K1: 1 kg/plot, K2: 1.5 kg/plot, and K3: 2 kg/plot. The findings showed that the use of PGPR had no significant effect on the growth and yield of maize. The application of goat manure at a dose of 2 kg/plot significantly affected plant height, number of leaves, leaf area, stem diameter, flowering age, cob length, cob diameter, seeds quantity per row, cob weight per plant, and sweetness level. There was no interaction between the combination of PGPR and goat manure on the growth and yield of maize.
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