Fresh Biomass Production, Proximate Composition, And In Vitro Digestibility Of Alfalfa (Medicago Sativa L.) Under Application Of Different Livestock Manure Bokashi Fertilizers"
Keywords:
alfalfa, bokashi, livestock feces, proximate content, in vitro digestibilityAbstract
This study aimed to evaluate the effect of different livestock feces bokashi fertilizers on fresh material production, proximate content, and in vitro digestibility of alfalfa (Medicago sativa L.). The study was conducted at the Field Laboratory of Wira Wacana Christian University, Sumba from June to September 2025. The design used was a Randomized Block Design (RBD) with four treatments and four replications, namely P0 (without bokashi fertilizer/control), P1 (chicken feces bokashi), P2 (goat feces bokashi), and P3 (cow feces bokashi), with a fertilizer dose of 35 tons/ha. The parameters observed included fresh material production, proximate content, and in vitro digestibility of dry matter (KCBK) and organic matter (KCBO). Fresh material production data were analyzed using ANOVA and Duncan's follow-up test, while proximate and digestibility data were analyzed descriptively. The results showed that the application of bokashi fertilizer had a significant effect (p<0.05) on fresh material production, with the highest value obtained in the chicken feces bokashi treatment (P1) of 2731.25±780.45g/plot. Cow feces bokashi (P3) of 1267.50±225.88g/plot. And that obtained in the goat feces bokashi treatment (P2) of 1176.25±296.91. The best proximate content was demonstrated by the cow feces bokashi treatment (P3), which produced the highest crude protein and crude fat content, as well as low crude fiber. The highest in vitro digestibility of dry matter and organic matter was obtained in the goat feces bokashi treatment (P2), with Kcbk of 79.066% and Kcbo of 76.725%. Thus, the use of different livestock feces bokashi fertilizers can increase the productivity and nutritional quality of alfalfa, with varying responses depending on the type of livestock feces used with the conclusion, the provision of chicken feces bokashi fertilizer at a dose of 35 tons / ha on land greatly increases and accelerates the growth of high fresh material production, namely P1 as much as 2,731.25 grams / plot, and the highest proximate content varies, namely Dry matter, (P0) 91.25%, Ash, (P1) 10.75%, Organic Matter (P2) 89.94%, Crude protein (P2) 15.56%, crude fat (P2) 5.37%, and crude fiber (P0) 12.16%, CHO (P0) 71.89, BETN (P1) 59.95, Gross Energy (P2) 17.54, and In Vitro digestibility is higher with the provision of goat feces bokashi (P2) KcBK digestibility 79,066 and KcBO76,725.
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