Abstract
Tidal swampland is potential but negligible land characterized by poor soil fertility. The study aimed to determine the effect of fertilization packages on the growth and yield of Inpara 2 rice in the tidal field. This research was conducted on the tidal field of Mon Mata Village, Krueng Sabee Sub District, Aceh Jaya, from July to November 2018. The study was designed in a Randomized Block Design three treatments, and three plot replications of 10 m x 10 m. The treatments comprised of three fertilization packages, namely: Farmer’s package A (Urea 100 kg ha–1 + SP 36 50 kg ha–1); Package soil nutrient status B (Urea 200 kg ha–1 + SP36 100 kg ha–1 + KCl 50 kg ha–1), and Recommended package C (Urea 200 kg ha–1 + SP36 100 kg ha–1 + KCl 100 kg ha–1 + 1000 kg dolomite ha–1). The experiment showed that all three fertilization packages significantly impacted plant height, panicle length, number of panicles per hill, grain per panicle, and grain yield. The recommended fertilization package C gave the highest yield (5.20 t ha–1), followed by Package B (4.78 t ha–1) and Package A (3.55 t ha–1). The research suggests that Inpara 2 rice and fertilizers, according to the recommendations, are needed to increase rice productivity in tidal fields.
Highlights
Agricultural development requires expanding potential land areas of farming areas, including marginal land, such as swamps
Tidal land area in Indonesia is estimated to be 20.1 million ha, 20-50% of which has the potential for agricultural land [2]
The treatments consisted of three fertilization packages, namely: Farmer's Package A (Urea 100 kg ha–1 + SP 36 50 kg ha–1), Package soil nutrient status B
Summary
Agricultural development requires expanding potential land areas of farming areas, including marginal (suboptimal) land, such as swamps. Tidal land area in Indonesia is estimated to be 20.1 million ha, 20-50% of which has the potential for agricultural land [2]. The development of tidal swamp farming is a strategic step in responding to the increasingly complex challenges of increasing agricultural production. With proper management through the correct application of science and technology, tidal land has a potential prospect to be developed into productive agricultural land, especially in preserving food self-sufficiency, diversifying production, increasing income, providing employment, and developing agribusiness and territory [6]. Efforts to increase rice production and productivity can be made by improving cultivation technology through fertilization based on nutrient status and plant needs. One of the efforts to increase fertilizer efficiency in swamps is applying of fertilizers according to the availability of nutrients in the soil, the varieties planted and rice planting system. The study aimed to determine the effect of fertilization packages on the growth and yield of Inpara 2 rice in the tidal field
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