Application of Rice Husk Charcoal and Water Hyacinth Bokashi in Imperata Soil on the Growth and Yield of Sweet Corn

Abstract

Rice husk charcoal is a solution to restore fertile soil conditions such as reed soil. Rice husk is easy to obtain and husk charcoal which binds water and nutrients and is then combined with water hyacinth bokashi has a positive impact on plant growth and yields. Nutrients in water hyacinth bokashi which are easily lost can be bound by rice husk charcoal. The research objective was to study the effect of the interaction of rice husk charcoal and water hyacinth bokashi on the growth and yield of sweet corn plants. The research location was the Sam Ratulangi University Experimental Garden, Wailan Tomohon North Sulawesi Province from March to September 2021. The study used a completely randomized factorial design. The factor I was rice husk charcoal (A): A0= without rice husk charcoal, A1 = 10 tons rice husk charcoal/ha, A2 = 20 tons rice husk charcoal/ha, A3= 30 tons rice husk charcoal/ha. Factor II was water hyacinth bokashi (B): B0= without bokashi, B1 = 10 tons of bokashi/ha, B2= 20 tons of bokashi/ha. The 12 experimental units were obtained which were repeated 3 times to obtain 36 experimental units. The data were analyzed using analysis of variance and if there were differences, it was continued with the Least Significant Difference (LSD) test at the level of 5%. The results showed that there was an interaction between rice husk charcoal and water hyacinth bokashi, significantly affecting the number of leaves and cob weight with sweet corn husks. The single effect of water hyacinth bokashi had a significant effect on the weight of sweet corn husks. A dose of 20 tons of water hyacinth bokashi increased the yield of sweet corn with a cob weight without a husk of 316.33 grams.