Effects of Appropriate Composition of Sugarcane Bagasse Compost and Nitrogen Fertilizer on the Growth and Yield of Soybean (Glycine max L. Merill)

The increase of annual soybean import in Indonesia is attributed to the increase of national consumption and low production of soybean.This is mainly due to the decrease in soil fertility as a result of excessive use of synthetic fertilizer leading to the low soybean productivity and production.One of the attempts to increase soil fertility and soybean productivity is by reducing the use of synthetic fertilizer N and optimizing the use of organic fertilizer such as sugar cane bagasse compost rich of Nitrogen.On this account, this research aims to determine the appropriate mixture of sugar cane bagasse compost and ertilizer N on the growth and yield of soybean.This research applies single factor experiment method arranged in Complete Random Design (CRD) consisting of five treatments, namely 100% N from urea (control), 25% N (sugar cane bagasse compost) + 75% N (from urea), 50% N (from sugar cane bagasse compost) + 50 % N (from urea), 75% N (from sugar cane bagasse compost) + 25% N (from urea), 100% N (from sugar cane bagasse compost).It is revealed that the mixture of 75% sugar cane bagasse compost and 25% fertilizer N from urea is the most appropriate composition for the 8.76 ton/ha soybean yield.

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