Growth and yield of superior rice (Oryza sativa L.) varieties on different planting systems in Papua, Indonesia

Document Type : Original Article

Authors

1 Indonesian Center for Food Crops Research and Development, Indonesian Agency for Agriculture Research and Development (IAARD), Jl. Merdeka No. 147, Bogor, West Java, Indonesia

2 Papua Agricultural Technology Study Center, Jl. Yahim No.49 Sentani Jayapura 99352, Jayapura, Papua, Indonesia

Abstract

Proper management of rice cultivation through the use of superior varieties and the application of a planting system adapted to site-specific conditions are very important in increasing rice yields. The purpose of this study was to determine and obtain the appropriate planting system to increase rice yield of superior varieties. The experiment adopted a split plot arranged in a randomized complete block design with two mainplot (planting systems) and three subplot (rice varieties) replicated four times. The mainplot was the planting system consisting of tile 20 cm × 20 cm and legowo 4:1 (20 cm–40 cm) × 10 cm, while the subplot was rice varieties consisting of Mira 1, Inpari 32, and Inpari 34. There was an interaction effect between the planting system and the rice varieties on grain yields. Legowo 4:1 planting system showed higher grain yield than the tile planting system on the three varieties tested for this experiment. The application of the legowo 4:1 planting system on Mira 1 obtained the highest grain yield of 5.65 t ha-1 or increased by 5.6% compared to the tile planting system. The Mira 1 was a superior rice variety that was suitable to be applied to the planting system of legowo 4:1 (20 cm–40 cm) × 10 cm to increase rice yield.

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