Performance of local rice varieties under various organic soil fertility strategies in Toraja, Indonesia

This research aims at studying production parameters of two local varieties of Tana Toraja rice and one introduced variety with the application of several types of organic fertilizers. The field research was conducted from May to September 2018 in Bua’tarrung village, Rembong District, Tana Toraja Regency, South Sulawesi Province. The trial was arranged as two-factor split plot design experiment. The varieties Pare Ambo, Barri Rarang, and Inpago Unsoed 1 were the main plots, while organic fertilizer types as sub plots consisted of three types of composts, namely: farmer compost, Tithonia compost, and Azolla compost. The fertilizer treatments did not show significant differences for any of the varieties. The best productivity was in the local variety Barri Rarang, achieving 4.87 tons per hectare with the local compost fertilizer treatment.

Stöber, Silke, Amir Yassi, Kaimuddin Mole, Ade Kurniawan, Abdul Mollah, Istajib Ridwan, Hari Iswoyo, Rashmansyah Dermawan Umar, Tandu Ramba