Abstract
This research was aimed to determine the effect of tillage and varieties on rice growth and yield. This research used a Split Plot Design (SPD) where the land was cultivated (T) as the main plot and rice varieties as subplots (V) repeated three times. The main factors as the main plot consist of three levels, namely: without soil tillage (T0), minimum soil tillage (T1), and perfect soil tillage (T2). The second factor is 5 level varieties, namely: Tinggong (V1), Ciherang (V2), Cibogo (V3), Inpari-13 (V4), and Situ Bagendit (V5). Data were also projected onto principal component analysis (PCA) to observe differences and affected factors related to the soil tillage system. The results showed that the system of tillage had a very significant effect on the yield per hectare. There was no significant difference in yield between the minimum tillage and the perfect tillage. Variety had a very significant effect on plant height at eight weeks after planting (WAP), the number of tillers at 8 WAP, panicle length per clump, the amount of grains, percentage of full grain per clump, percentage of empty grain per hill, the weight of grain per panicle, weight 1,000 grain and yield per hectare. The Cibogo variety gave the highest yield, namely 4.86 ton/ha. Based on PCA analysis, plant height, the total amount of grain, and filled grain are highly affected by the soil tillage system.
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