[1]艾玉春,董月,汪吉东,等.水稻产量主要养分限制因子及养分运筹应对技术研究[J].江苏农业学报,2015,(03):558-563.[doi:10.3969/j.issn.1000-4440.2015.03.015]
 AI Yu-chun,DONG Yue,WANG Ji-dong,et al.The nutrient limiting rice production and its input models[J].,2015,(03):558-563.[doi:10.3969/j.issn.1000-4440.2015.03.015]
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水稻产量主要养分限制因子及养分运筹应对技术研究()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年03期
页码:
558-563
栏目:
耕作栽培·资源环境
出版日期:
2015-06-30

文章信息/Info

Title:
The nutrient limiting rice production and its input models
作者:
艾玉春12董月12汪吉东12张永春12
(1.江苏省农业科学院农业资源与环境研究所,江苏南京210014;2.农业部江苏耕地保育科学观测实验站,江苏南京210014)
Author(s):
AI Yu-chun12DONG Yue12WANG Ji-dong12ZHANG Yong-chun12
(1.Institute of Agricultural Resource and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;2.Scientific Observation and Experimental Station of Farmland Conversation and Cultivation in Jiangsu, Ministry of Agriculture, Nanjing 210014, China)
关键词:
水稻养分运筹
Keywords:
ricenutrientapplication mode
分类号:
S511.06
DOI:
10.3969/j.issn.1000-4440.2015.03.015
文献标志码:
A
摘要:
为系统研究不同地力稻田养分的合理投入问题,确定不同地力稻田养分投入的主要限制因子,在江苏省丹阳市及姜堰市选取高、低产田,设计8个不同施肥处理研究养分投入最佳方式;在江苏省金坛市选取水稻基础产量差异较大的2个地块设计8个不同氮肥运筹处理。结果显示,施用氮、磷、钾及锌肥都能提高水稻产量,产量平均增幅分别为33.1%、6.1%、6.6%和2.4%,氮素供应能力是土壤生产力的决定性因子,且低肥力土壤水稻对施氮的响应更强。适当将氮肥施用期后移可获得较高的水稻籽粒产量和生物量,较为合理的穗肥与粒肥比例为 3∶7。
Abstract:
To develop a reasonable nutrient input model for paddy fields, 8 treatments of fertilization were conducted on high/low-yielding fields in rice-growing areas of Danyang city and Jiangyan city in central Jiangsu province to optimum the nutrient inputs of rice fields, and another 8 treatments were conducted on 2 fields different in yield in Jintan city to study the nitrogen (N) application modes. Results showed that application of N, P, K, Zn could promote the production of rice, and the rice yield were increased by were 33.1%, 6.1%, 6.6% and 2.4%, respectively. N supply capacity was the dominant factor for rice production, and low-yielding fields were more sensitive to N. An appropriate increase of N application rate at later stage (earing fertilization∶granular fertilization= 3∶7) could raise the rice production and biomass. 

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备注/Memo

备注/Memo:
收稿日期:2015-02-03 基金项目:公益性行业科研专项(201203030);国际合作项目(IPNI-Jiangsu-12);江苏省农业科技自主创新基金项目[CX12(3037)] 作者简介:艾玉春(1969-),男,江苏姜堰人,硕士,副研究员,主要从事土壤肥料相关领域研究。(Tel)025-84390118;(E-mail)yuchunai@126.com 通讯作者:张永春,(Tel)025-84390242;(E-mail)yczhang66@sina.com
更新日期/Last Update: 2015-06-30