Abstract
Lampung is mostly occupied by marginal acid upland soils. However, applying of suitable technology innovations could improve the soybean productivity in this marginal land. Until now, only a few field studies have been conducted on the adaptability of new soybean varieties in acid upland soils of Lampung. Therefore, present study’s objectives were to compare the agronomic performance and the yield of three soybean varieties on an acid upland soil of South Lampung. As the treatments, the three soybean varieties were Anjasmoro, Grobogan, and Dering 1. The research was set in a Completely Randomized Design with four replications. The results showed that in general, based on the agronomic performance, the Anjasmoro variety was more adaptable compared with Grobogan and Dering 1 variety. This might be related to the number of effective nodules in the rooting system of Anjasmoro variety which was higher than that of Grobogan and Dering 1 varieties. In addition, the Anjasmoro variety had the highest yield as 2.60 t ha−1 than that of the Grobogan and Dering 1 varieties as 2.33 and 1.99 t ha−1, respectively.
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