Effect of Rice Hull Biochar Application on Soybean Seed Germination

ZAMRIYETTI ZAMRIYETTI, SYARIFA MAYLY

Abstract


The objective of this research was to determine the effect of ricehull biochar application on soybean seed germination in soil less petridish bioassay and three types of soil. Thestudy was conducted in two stages. The first stages was usedrandomized block designwith three replications. The factor werebiochar rate application : 0,5 g/petridish (M1); 1,0 g/petridish (M2); 1,5 g/petridish (M3); 2,0 g/petridish (M4). The second stages was usedrandomized block designwith two factors and two replications. The first factor was biochar rate application (10 t/ha, 20 t/ha). The second factor were thethreetypessoils (SeiRampah, Medan, Galang).The results of this first research showed rice hull biochar at 1,0 g/petridish showed the highest soybean germination percentageand rice hull biochar at 0,5 g/petridish showed the highest root length total in soil less petridish bioassay. Rice hull biochar at 10 t/ha showed the highest vigor index of seed germination, root volume, root dry weight, shoot length, and rice hull biochar at 20 t/ha showed the highest shoot dry weight and root length. And the soil from Medan site showed the highest vigor index of seed germination, root dry weight, shoot length. The soil from Galang site showed the highest root length and root volume.

Keywords


Biochar, Rice Hull, Seed Germination, Soybean

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