Increasing studies indicate that alternate wetting and drying irrigation (I_AWD) can significantly increase water use efficiency in paddy fields, whereas this method may also cause high nitrous oxide (N₂O) emissions. Therefore, effective management strategies are urgently required for ameliorating the adverse effect of I_AWD on N₂O emissions. Zeolite is increasingly used as a potential effective soil conditioner to reduce N₂O emissions. However, few studies have been conducted to explore the effect of zeolite on N₂O emissions and rice grain yield as well as the associated soil physicochemical properties in paddy fields under I_AWD. Here, a two-year field experiment was conducted using lysimeters to assess the effect of two irrigation regimes (I_CF: continuously flooded irrigation; I_AWD: alternate wetting and drying irrigation) and two zeolite management regimes (Z_U: urea alone (non-zeolite control); Z_UZ: urea combined with zeolite (15 t ha⁻¹)) on N₂O emissions, rice grain yield, and soil physicochemical properties. The results showed that I_AWD significantly increased N₂O emissions by 18% relative to I_CF, and Z_UZ significantly reduced N₂O emissions under I_AWD by 9% compared to Z_U. I_AWD had no significant effect on rice grain yield compared to I_CF. However, Z_UZ significantly enhanced rice grain yield under I_CF and I_AWD by 11% and 14%, respectively, compared to Z_U. Accordingly, Z_UZ significantly decreased yield-scaled N₂O emissions under I_CF and I_AWD by 13% and 19%, respectively, compared to Z_U. Increases in soil NH₄⁺-N concentrations and soil pH contribute to the N₂O mitigation in Z_UZ under I_AWD. Altogether, our results highlight that zeolite combined with urea is likely a sustainable resource-efficient approach for mitigating N₂O emissions while increasing rice grain yield in paddy fields under I_AWD.

越来越多的研究表明，干湿交替灌溉 (I _AWD ) 可以显着提高稻田的用水效率，而这种方法也可能导致高浓度的一氧化二氮 (N ₂ O) 排放。因此，迫切需要有效的管理策略来改善 I _AWD对 N ₂ O 排放的不利影响。沸石越来越多地用作减少 N ₂ O 排放的潜在有效土壤调节剂。然而，很少有研究探讨沸石对I _{AWD条件下稻田 N 2} O 排放和水稻产量以及相关土壤理化性质的影响。. 在这里，使用蒸渗仪进行了为期两年的田间试验，以评估两种灌溉方式（I _CF：连续漫灌；I _AWD：干湿交替灌溉）和两种沸石管理方式（Z _U：单独使用尿素（非-沸石控制）；Z _UZ：尿素与沸石结合（15 t ha ^-1））对 N ₂ O 排放、稻谷产量和土壤理化性质的影响。结果表明，I _{AWD相对于 I CF}显着增加了 18% 的N ₂ O 排放，而 Z _UZ在 I _AWD下显着降低了 N _{2 O 排放与 Z U}相比减少 9% 。_{与 I CF}相比， I _AWD对水稻产量没有显着影响。然而，与 Z _{U相比，Z UZ在 I CF}和 I _AWD下显着提高水稻产量分别为 11% 和 14% 。因此，与 Z _{U相比，Z UZ在 I CF}和 I _AWD下显着降低了产量规模的 N ₂ O 排放量，分别为 13% 和 19% 。土壤 NH ₄ ⁺ -N 浓度和土壤 pH 值的增加有助于在 I 下Z _{UZ的 N 2} O 缓解_四驱。总之，我们的研究结果强调，沸石与尿素结合可能是一种可持续的资源节约型方法，可在 I _{AWD条件下减少 N 2} O 排放，同时增加稻田的稻谷产量。