Effect of genotype on growth and yield of upland rice as an intercropping in rubber planting strip
1999
Ridwan | Khatib, W. (Balai Pengkajian Teknologi Pertanian, Sukarami (Indonesia))
Yield of upland rice in rubber and upland rice depend on variety and cultural practices technologies. The experiment was carried out at farmer's rubber plantation Sitiung, West Sumatra in the rainy season 1998/1999 (from November, 1998 to March, 1999). Two factors of experiment was arranged in randomized block design in a factorial with four replications. Three varieties/lines of upland rice (Jatiluhur, Laut Tawar and GH-Pasaman) as the first factor and two rates of KCl fertilizer application (0 and 75 kg/ha) as the second factor. Objectives of the experiment were to observe the effect of varieties/lines and KCl fertilizer application on growth and yield of upland rice as an intercropping in rubber planting strip. The results showed that Jatiluhur variety and Pasaman line gave better plant growth, the higher number of panicle/hill, number of grain/panicle and yield than Laut Tawar upland rice variety. Application of 75 kg KCl/ha significantly increased number of grain/panicle, filled grain percentage and yield of upland rice as an intercropping in rubber planting strip. Yield of upland rice 14.1 percent increased due to application of 75 kg KCl/ha
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