This research was conducted at the experimental farm, Faculty of Agriculture UPN "Veteran" East Java, Surabaya, from March 2016 to July 2016. This study aims to determine the effect of various organic materials in making the composition of the growing media on growth and yield of mustard. Materials oragnik used is compost, straw, corn leaves and paper Data were analyzed using a completely randomized design (CRD) with 5 replications, and treatments as many as five types, namely: K0
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