Growth and yield characteristics of soybean on the usage of several varieties and fertilizers N, P, K in tidal lowland

Abstract The increasing soybean production by expanding areas to marginal land, such as tidal lowland, has became the target of Indonesian government. objective research was select several varieties soybeans and appropriate dosage N, P, K fertilizers increase growth yields characteristics. This conducted at lowland in Sei Ular Village, Secanggang sub-District, Langkat District from July December 2019, use a factorial randomized block design with two factors three replications. first factor is (Anjosmoro; Deja-1; Dena-1 Dering-1). second application P namely un-fertilizer; 50kgha ?1 40kgha 2 O 5 , O; 100kgha 80kgha 150kgha 120kgha O. result showed that significantly differ affected on plant height 30 DAP, volume length root lowland. were different length, their interactions shoot ratio.