PENGARUH PEMBERIAN KOMPOS DENGAN BERBAGAI BIOSTARTER TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SEMANGKA (Citrullus vulgaris L)

Lack of availability nutrients in the soil is one factors that affect production watermelon plants. Therefore, this study aims to determine effect best types compost from various biostarters on growth and yield The research was carried out agricultural land Bumi Beringin Village, Luwuk Utara District, Banggai Regency, July using experimental method (experiment). treatment factor a single factor, namely rice husk compost, which consisted 5 levels treatment. units were arranged Randomized Block Design (RAK) with 3 replications, so number harmony 15 units. treatments combined husks form Trichoderma, EM4, Stardec, Starbio each dose 640 g/hole. results showed very significant variable length plant observation at week 2 WAP P2 = Compost Fertilizer (Em 4) gr/hole an average 13.89 cm. Significant leaves MST g/hole 6.89. fruits had (Compost gr/hole) 4.67. And fruit circumference P4 (Compos (Starbio) 67.88 for weight planting 9.10