Abstract

In areas with available irrigation water, rice is generally cultivated in monoculture and continuously rice after rice, which results in decreased soil quality and rice yields. This study aimed to examine the effect of cover-cropping with the legume species Arachis on growth and yield of several upland rice varieties. The experiment was conducted during the rainy season, on a farmer’s field in Labulia Village, Central Lombok (Indonesia), from January to April 2024, arranged in a factorial randomized block design, with three blocks and two treatment factors, namely type of cover crops (T0: no cover crop, T1: Arachis hypogaea (peanut), T2: Arachis pintoi), and type of upland rice (V1: red rice, V2: black rice, V3: white rice). Those species of Arachis were grown between rows of the rice plants. Observation variables include growth and yield components. Data were analyzed with analysis of variance (ANOVA) and Tukey's HSD using CoStat for Windows. The results showed that cover-cropping had a significant effect on growth (plant height and number of tillers), grain yield, and yield components of the upland rice plants, with the highest average of rice grain yield (57.84 g/clump) was obtained from the plots planted with the cover crop A. hypogaea (peanut), while among types of upland rice, the highest average of grain yield was in the red rice (52.22 g/clump). It can be concluded that growing upland rice on raised-beds planted with cover crops from the species of Arachis can help increase grain yield of upland rice plants in dry land.

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