Adaptation of New Rice High Yielding Varieties on New Constructed Irrigated Rice Field Affected by Sea Water Intrusion in West Tanjung Jabung District, Jambi

busyra buyung saidi


In order to maintain rice self-sufficiency and strengthen national food security, the government has implemented some programs including rice cultivation intensification land rice field expansion. Off Java’s rice field expansion program has achieved for around 3.2 million ha of new constructed rice fields in Sumatra, Borneo and Celebes. During 2010-2017,  13,855 ha of new rice fields had been constructed in Jambi Province, covering of 2,364 ha in West Tanjung Jabung District. However, the new rice field construction in the sub-optimal land of West Tanjung Jabung District had been obstructed by iron poisoning and sea water intrusion because of tidal influence. Consequently, the efforts to improve rice yield dealt with both physical and chemical soil issues. In addition, not many rice varieties were well adaptive to the conditions, especially of salinity issues.  In 2018, some adaptation tests for several new rice high yielding varieties (HYVs) on new rice fields affected by sea water intrusion were conducted in Tungkal Ilir Subdistrict, West Tanjung Jabung District. The tests applied randomized block designs (RBD) with four replications. The treatments consisted of four new rice HYVs suitable for tidal/swamps areas namely Inpara 3, Inpara 8, Inpara 9 and Inpari 34 Agritan Salin, and one local rice variety (Londo) as control. Three stems seedlings per clump were planted at the age of 21-25 days, using 4:1 Legowo planting system. Fertilizer application consisted of basic fertilizer (1.0 ton ha-1 of lime, 2.5 ton ha-1 of manure, and 75 kg ha-1 of urea) and supplementary fertilizer (SP36 150 kg ha-1 and KCl 125 kg ha-1) as suggested by leaf color chart (LCC). The results of the study showed that the four new rice HYVs were more adapted as compared to the local rice variety. Performance of the tested new rice HYVs showed quite good growth appearance and productivity. The highest production was obtained in Inpari 34 variety of Agritan 2.85 t ha-1, while Inpara 3, Inpara 8 and Inpara 9 ranged between 2.0 and 2.1 ton ha-1, while the local variety’s productivity was 1.9 tons ha-1.


Jambi; new HYV of rice; productivity; saline rice field



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