I Gusti Lanang Swastika, NI Nyoman Suryani, I Wayan Suarna Dan and Anak Agung Ayu Sri Trisnadewi

The aim of this research was to analyze the effect of differences in rhizobium inoculant levels on the quality and digestibility of forage G. sepium and I. zollingeriana planted on post-rock mining land. The research was conducted on post-rock mining land in Sebudi Village, Selat District, Karangasem Regency. The experimental design used was a nested randomized block design (RBD) with two factors, the first factor was plant type, namely G. sepium and I. zollingeriana, the second factor was the dose of rhizobium inoculant (without inoculant, 1 g/plant, 2 g/plant and 4 g/ The data obtained were analyzed by means of variance and if there were significant differences (p˂0.05) between treatments, then continued with Duncan's multiple distance test. The results of the study were that administration of various doses of rhizobium inoculant had no significant effect (p>0.05) on forage quality except for the crude protein variable, R3 treatment had a significant effect (p<0.05) on the crude protein of G. sepium and I. zollingeriana plants. Dosage and type of plant had a significant effect (p>0.05) on the level of digestibility vitro. It was concluded that rhizobium inoculant was able to improve the quality and in vitro digestibility of G. sepium and I. zollingeriana forages grown on post-mining land.

DOI: 10.22271/23940522.2024.v11.i5a.1045

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