Effect of Addition of Urea and Zeolite on Rice Plants (Oryza sativa L.) to Nitroxy Emissions on Peatlands

Asia Asia Afriyani, Muhammad Bambang Prayitno, Poedji Loekitowati Hariani


The main objective in wetland management is to get optimum results along with low emissions, one of which is low nitrooxide emissions. The purpose of this study is to analyze nitrooxide emissions as a result of adding urea and zeolite to rice plants (Oryza sativa L.) on peatlands. The treatments used were 2 factors, namely factor 1 using a dose of N (Urea) fertilizer from three levels of treatment N1: 125 kg / ha; Treatment of N2 : 250 kg / ha; Treatment of N3: 375 kg/ha. Factor 2, the dose of zeolite consists of three levels of treatment Z1 : 125 kg / ha; Treatment of Z2 : 250 kg/ha; Treatment of Z3: 375 kg/ha. Each combination was repeated as many as 5 phases (phase 1 is 15 days during planting, phase 2 which is 35 days during planting, phase 3 which is 55 days when planting, phase 4 which is 65 days during planting and phase 5 which is 90 days when planting) so the number of units treatment 3 x 3 x 5 = 45 experimental pots. Data analysis using linear regression test. The results showed that administration of a combination of urea doses and zeolite doses in rice plantations (Oryza sativa L.) had a significant effect on nitrous oxide emissions produced at each observation. In this study the highest nitrous oxide emissions were obtained in phases 1 and 2. From the results of the F test the sig value. F is 0.287 (p >  0.05) means that the hypothesis (Ho) is rejected. At the value of t table can be obtained 2.01669 so that t count > t table. The dose of Urea (X1) is equal to 0.636 > 2.01669, so that Ho is rejected. With this it is proven that the urea dose partially has a significant effect on nitrooxide emissions. The dose of zeolite (X2) is equal to 0.411 > 2.01669 so that Ho is rejected, thus showing that zeolite has a significant effect on the availability of nitrous oxide emissions.


Keywords: Urea, Zeolite, Nitrooxide Emissions and Peatlands

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