The productivity of sweet corn in Riau is relatively low, ranging form 5,5 – 8,5 t.ha-1, while its production potential reaches 18 – 25 t.ha-1. Cultivation currently relies on inorganic fertilizers which can have a negative impact on the environment so it is necessary to reduce the use of trichocompost of rice straw with the aim of getting the best dosage for the growth and production of sw…