[1]刘梦竹,王锐,冯源,等.控释尿素释放周期对水稻产量和氮肥利用的影响[J].江苏农业学报,2024,(05):827-834.[doi:doi:10.3969/j.issn.1000-4440.2024.05.007]
　LIU Mengzhu,WANG Rui,FENG Yuan,et al.Effects of controlled-release urea releasing period on rice yield and nitrogen fertilizer utilization[J].,2024,(05):827-834.[doi:doi:10.3969/j.issn.1000-4440.2024.05.007]
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控释尿素释放周期对水稻产量和氮肥利用的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2024年05期
页码:
827-834
栏目:
耕作栽培·资源环境
出版日期:
2024-05-30

文章信息/Info

Title:
Effects of controlled-release urea releasing period on rice yield and nitrogen fertilizer utilization
作者:
刘梦竹; 王锐; 冯源; 王坤庭; 糜凯亮; 邢志鹏; 张洪程; 张海鹏
(农业农村部长江流域稻作技术创新中心/江苏省作物栽培生理重点实验室/江苏省粮食作物现代产业技术协同创新中心/扬州大学水稻产业工程技术研究院，江苏扬州225009)
Author(s):
LIU Mengzhu; WANG Rui; FENG Yuan; WANG Kunting; MI Kailiang; XING Zhipeng; ZHANG Hongcheng; ZHANG Haipeng
(Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture and Rural Affairs of the People’s Republic of China/Jiangsu Key Laboratory of Crop Cultivation and Physiology/Co-Innovation Center for Modern Production Technology of Grain Crops/Research Institute of Rice Industrial Engineering Technology, Yangzhou University, Yangzhou 225009, China)
关键词:
水稻产量; 控释尿素; 释放周期; 氮肥利用率
Keywords:
rice yield; controlled-release urea; release period; nitrogen utilization efficiency
分类号:
S511
DOI:
doi:10.3969/j.issn.1000-4440.2024.05.007
摘要:
为研究不同释放周期的控释尿素对水稻产量形成及氮素利用的影响，以南粳9108为材料，在总施氮量为270 kg/hm2的条件下，以不施氮(N0)和施用普通尿素(CK)为对照，探讨普通尿素分别搭配释放周期为60 d、80 d、100 d、120 d的4种控释尿素处理(分别记作T1处理、T2处理、T3处理、T4处理)对水稻产量、茎蘖数、干物质积累量及氮肥利用率的影响。结果表明，与单纯施用普通尿素相比，普通尿素搭配控释尿素处理的水稻产量均有显著提高。普通尿素搭配适宜释放周期的控释尿素处理可以增加水稻植株的茎蘖数、叶面积指数，促进干物质与氮素积累，获得较高结实率。与释放周期为120 d的控释尿素相比，释放周期为100 d的控释尿素的氮素释放量更加匹配水稻不同生长发育时期所需的氮素量，氮肥利用率较高。由此可见，普通尿素搭配适宜释放周期的控释尿素能够提高水稻产量和对氮肥的利用率。
Abstract:
To investigate the effects of controlled-release urea with different release periods on rice yield formation and nitrogen utilization, the rice variety Nanjing 9108 was used as the experimental material in this study, and the total nitrogen application rate was 270 kg/hm2. The experiment included six treatments: no nitrogen fertilizer (N0), a control treatment using conventional urea (CK), and four controlled-release urea treatments with release periods of 60 d, 80 d, 100 d, and 120 d (T1, T2, T3, and T4, respectively). The study aimed to explore the impact of these treatments on rice yield, tiller number, dry matter accumulation, and nitrogen utilization efficiency. The results showed that compared with CK, the yield of rice treated with common urea and controlled-release urea was significantly increased. The treatment of common urea combined with controlled-release urea with suitable releasing period could increase the number of tillers and leaf area index of rice plants, promote the accumulation of dry matter and nitrogen, and obtain higher seed setting rate. Compared with the controlled-release urea with a release period of 120 d, the nitrogen release amount of the controlled-release urea with a release period of 100 d was more suitable for the nitrogen amount required by rice at different growth and development stages, and the nitrogen fertilizer utilization rate was higher. It can be seen that ordinary urea combined with controlled-release urea with appropriate release period can improve rice yield and nitrogen utilization rate.

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备注/Memo

备注/Memo:
收稿日期：2023-03-23基金项目：国家自然科学基金项目(31901447)；江苏省重点研发计划项目(BE2022338)；农业重大技术协同推广项目(2022-ZYXT-04-1)；江苏水稻产业技术体系项目[JATS(2022)485]作者简介：刘梦竹(1998-), 女, 江苏宿迁人，硕士研究生，主要从事水稻高产栽培生理研究。(E-mail)18762303319@163.com通讯作者：张洪程, (E-mail) hczhang@yzu.edu.cn; 张海鹏, (E-mail) hpzhang@yzu.edu.cn
更新日期/Last Update: 2024-07-13