[1]曹小闯,李烨锋,吴龙龙,等.氨基酸水溶肥施用模式对水稻氮素吸收和转运的影响[J].江苏农业学报,2020,(04):888-895.[doi:doi:10.3969/j.issn.1000-4440.2020.04.012]
　CAO Xiao-chuang,LI Ye-feng,WU Long-long,et al.Effects of different application patterns of amino acid soluble fertilizer on nitrogen accumulation and translocation in rice[J].,2020,(04):888-895.[doi:doi:10.3969/j.issn.1000-4440.2020.04.012]
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氨基酸水溶肥施用模式对水稻氮素吸收和转运的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年04期
页码:
888-895
栏目:
耕作栽培·资源环境
出版日期:
2020-08-31

文章信息/Info

Title:
Effects of different application patterns of amino acid soluble fertilizer on nitrogen accumulation and translocation in rice
作者:
曹小闯1; 李烨锋1; 吴龙龙1; 田仓1; 2; 朱春权1; 朱练峰1; 孔亚丽1; 金千瑜1; 张均华1
(1.中国水稻研究所水稻生物学国家重点实验室，浙江杭州311400；2.长江大学农学院，湖北荆州434023）
Author(s):
CAO Xiao-chuang1; LI Ye-feng1; WU Long-long1; TIAN Cang1; 2; ZHU Chun-quan1; ZHU Lian-feng1; KONG Ya-li1; JIN Qian-yu1; ZHANG Jun-hua1
(1.State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 311400, China;2.College of Agriculture, Yangtze University, Jingzhou 434023, China)
关键词:
氨基酸水溶肥; 氮素累积; 氮素转运; 氮素利用率; 水稻
Keywords:
amino acid soluble fertilizer; nitrogen accumulation; nitrogen translocation; nitrogen use efficiency; rice
分类号:
S511.062
DOI:
doi:10.3969/j.issn.1000-4440.2020.04.012
文献标志码:
A
摘要:
采用大田小区试验研究了不同时期喷施氨基酸水溶肥对水稻产量、氮素吸收和转运的影响。结果表明，氨基酸水溶肥浸种以及分蘖期、破口前5～7 d和抽穗期喷施氨基酸水溶肥处理(T3)，秧苗期、破口前5～7 d和抽穗期喷施氨基酸水溶肥处理(T5)，氨基酸水溶肥浸种以及秧苗期、分蘖期、破口前5～7 d和抽穗期喷施氨基酸水溶肥处理(T6)水稻产量较高，分别达8 355 kg/hm2、8 259 kg/hm2和8 313 kg/hm2，较常规施肥处理(T1)显著增产7.2%、6.0%和6.7%。这可能与上述时期喷施氨基酸水溶肥能提高水稻千粒质量有关。与T1处理相比，各水溶肥施用组合均能显著增加齐穗期叶片、成熟期穗氮含量和分蘖盛期至齐穗期茎鞘氮素累积速率；T3、T5、T6处理显著增加齐穗期至成熟期叶片氮素转运量及氮素转运率，并提高水稻氮素回收利用率。水稻产量与抽穗前营养器官(茎鞘、叶片)氮素累积量、抽穗后叶片向穗的氮素转运量呈显著正相关关系。总之，通过施用氨基酸水溶肥增加水稻营养器官氮素积累量以及叶片氮素向穗转运，有利于提高水稻产量和氮素利用率，其中以秧苗期、破口前5～7 d和抽穗期喷施3次氨基酸水溶肥(T5处理)效果较好。
Abstract:
To study the effects and reasonable usage time of the amino acid soluble fertilizer (AASF) in rice, the yield, nitrogen (N) accumulation and translocation in different application patterns were studied through the field experiment. Results demonstrated that rice yields were relative higher in the three following treatments, spraying AASF at seed soaking, tillering, 5-7 days before rupturing and heading stages (T3); spraying AASF at seedling, 5-7 days before rupturing and heading stages (T5); and spraying AASF at seed soaking, seedling, tillering, 5-7 days before rupturing stage and heading stages (T6). Their yield values were 8 355 kg/hm2, 8 259 kg/hm2and 8 313 kg/hm2, respectively, and significantly increased by 7.2%, 6.0% and 6.7% in relative to the control treatment (T1), which likely attributed to the increased thousand seed weight of rice. Compared with the T1 treatment, AASF application significantly improved the N contents of leaf in heading stage, N contents of panicle in maturity stage, and the N accumulation rate of stem-sheath in tillering-heading period. In addition, the N translocation and translocation rate of leaf from the heading to maturity stsge, and rice N recovery efficiency were all significantly increased in the T3, T5 and T6 treatments. There were significant positive correlations between rice yield and the N accumulation in leaf and stem-sheath before the heading stage, and rice yield was also significant and positive related to the N translocation of leaf from the heading to maturity stage. Therefore, maintaining the relative higher N accumulation of stems-sheaths and leaves in the vegetative period, and the higher N translocation from leaves to panicles via the application of AASF are benefit for grain yield increasing. And the optimal application method is spraying the AASF three times at seedling, 5-7 days before rupturing and heading stages.

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备注/Memo

备注/Memo:
收稿日期：2020-01-31基金项目：国家重点研发计划项目(2017YFD0300106、2016YFD0200800)作者简介：曹小闯(1985-），男，河南南阳人，博士，副研究员，从事稻田养分资源管理研究。(E-mail)caoxiaochuang@126.com通讯作者：张均华, (E-mail)zhangjunhua@caas.cn
更新日期/Last Update: 2020-09-08