[1]王婷,曾科,丁武汉,等.有机肥与无机肥配施+生石灰对酸性土壤改良及水稻产量提升的机制[J].江苏农业学报,2025,(09):1729-1739.[doi:doi:10.3969/j.issn.1000-4440.2025.09.008]
　WANG Ting,ZENG Ke,DING Wuhan,et al.Mechanisms of combined application of organic and inorganic fertilizers with quicklime on acidic soil improvement and rice yield increase[J].,2025,(09):1729-1739.[doi:doi:10.3969/j.issn.1000-4440.2025.09.008]
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有机肥与无机肥配施+生石灰对酸性土壤改良及水稻产量提升的机制()

江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2025年09期
页码:
1729-1739
栏目:
耕作栽培·资源环境
出版日期:
2025-09-30

文章信息/Info

Title:
Mechanisms of combined application of organic and inorganic fertilizers with quicklime on acidic soil improvement and rice yield increase
作者:
王婷1; 2; 曾科2; 丁武汉2; 吴腾飞2; 易琼2; 沈宏1; 张木2
(1.华南农业大学资源与环境学院,广东广州510642；2.广东省农业科学院农业资源与环境研究所/农业农村部南方植物营养与肥料重点实验室/广东省养分资源循环利用与耕地保育重点实验室,广东广州510640)
Author(s):
WANG Ting1; 2; ZENG Ke2; DING Wuhan2; WU Tengfei2; YI Qiong2; SHEN Hong1; ZHANG Mu2
(1.College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China;2.Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture and Rural Affairs/Guangdong Provincial Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou 510640, China)
关键词:
酸性土壤; 改良; 有机肥; 生石灰; 水稻
Keywords:
acidic soils; amelioration; organic fertilizers; quicklime; rice
分类号:
S156.6
DOI:
doi:10.3969/j.issn.1000-4440.2025.09.008
文献标志码:
A
摘要:
为明确有机肥与无机肥配施+生石灰对酸性土壤改良及水稻产量的协同效应,本研究以不施肥为对照(CK),设置常规施肥(CF)、常规施肥+生石灰(CFL)、有机肥与无机肥配施(有机肥替代25%化学氮肥,CFO),有机肥与无机肥配施+生石灰(CFOL)处理,进行早稻和晚稻的生长试验,分析不同肥料处理对水稻产量及土壤理化指标的影响。结果表明,CFO、CFOL处理晚稻产量显著高于CF、CFL处理,其中CFOL处理晚稻产量比CF处理增加17.4%,效果更好。与CK和CF处理相比,CFL、CFOL处理均显著降低水稻收获后土壤交换性酸含量和交换性铝含量,显著提高水稻收获后土壤pH和交换性盐基离子含量。与CFL处理相比,CFOL处理能降低早稻收获后土壤无机吸附态铝含量,提高有机结合态铝含量、阳离子交换量。CFOL处理早稻和晚稻收获后土壤有效铁含量分别比CFO处理降低34.7%和20.8%。综上,有机肥与无机肥配施+生石灰能降低酸性土壤中铝离子的活性,并促进土壤维持良好的阳离子交换性能,有利于提升土壤综合肥力和作物产量,是华南地区酸性土壤改良的有效措施。
Abstract:
To clarify the synergistic effect of combined application of organic fertilizer and inorganic fertilizer with quicklime on acidic soil improvement and rice yield, a field experiment was conducted in Guangdong with five treatments: conventional fertilization (CF), conventional fertilization + quicklime (CFL), combined application of organic fertilizer and inorganic fertilizer (organic fertilizer replacing 25% chemical nitrogen fertilizer, CFO), combined application of organic and inorganic fertilizers with quicklime (CFOL), and no fertilizer application (control, CK), during early rice and late rice growing seasons. The effects of different fertilizer treatments on rice yield and soil physical and chemical indexes were analyzed. The results showed that the yield of late rice in CFO and CFOL treatments was significantly higher than that in CF and CFL treatments. The yield of late rice in CFOL treatment was 17.4% higher than that in CF treatment, and the effect was better. Compared with CK and CF treatments, CFL and CFOL treatments significantly reduced soil exchangeable acid content and exchangeable aluminum content, and significantly increased soil pH and exchangeable base ion content. Compared with CFL treatment, CFOL treatment could reduce the content of inorganically adsorbed aluminum in the soil after early rice harvest, and increase the content of organically bound aluminum and cation exchange capacity. Compared with CFO treatment, the soil available iron content after early rice harvest and late rice harvest in CFOL treatment decreased by 34.7% and 20.8%, respectively. In summary, the combined application of organic and inorganic fertilizers with quicklime can reduce the activity of aluminum ions in acidic soil and promote the maintenance of good cation exchange performance of soil, which is conducive to improving soil comprehensive fertility and crop yield. It is an effective measure for acidic soil improvement in South China.

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备注/Memo

备注/Memo:
收稿日期：2024-11-13基金项目：广东省重点领域研发计划项目(2023B0202010027);广东省科技计划项目(2021B1212050020);广东省农业科学院低碳农业与碳中和研究中心项目(XT202220)作者简介：王婷(1998-),女,江西赣州人,硕士研究生,主要从事土壤酸化改良研究。(E-mail)Wang1426415450@163.com通讯作者：张木,(E-mail)zhangmu1123@126.com
更新日期/Last Update: 2025-10-27