|本期目录/Table of Contents|

[1]袁国印,宋航,郇威威,等.稻麦轮作下长期秸秆还田和钾肥施用后效对水稻产量和土壤肥力的影响[J].江苏农业科学,2021,49(19):117-122.
 Yuan Guoyin,et al.Effects of long-term straw returning and potassium fertilizer application on rice yield and soil fertility under rice-wheat rotation[J].Jiangsu Agricultural Sciences,2021,49(19):117-122.
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稻麦轮作下长期秸秆还田和钾肥施用后效对水稻产量和土壤肥力的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第19期
页码:
117-122
栏目:
遗传育种与耕作栽培
出版日期:
2021-10-05

文章信息/Info

Title:
Effects of long-term straw returning and potassium fertilizer application on rice yield and soil fertility under rice-wheat rotation
作者:
袁国印12宋航12郇威威12卢殿君12陈小琴12王火焰12
1.中国科学院南京土壤研究所/土壤与农业可持续发展国家重点实验室,江苏南京 210008;2.中国科学院大学,北京 100049
Author(s):
Yuan Guoyinet al
关键词:
秸秆还田水稻产量养分含量土壤肥力氮肥偏生产力
Keywords:
-
分类号:
S511.06
DOI:
-
文献标志码:
A
摘要:
为研究秸秆还田后效对土壤肥力和作物产量的影响,在稻麦轮作下开展了长期钾肥施用和秸秆还田的田间试验,设置了秸秆不还田和不施用钾肥(CK)、秸秆还田(SR),只施用钾肥(K),秸秆还田和配施适量的钾肥(SR+K)。结果表明:与CK相比,经过秸秆还田(SR+K、SR)和施用K的处理水稻产量分别提高了17.83%、939%和796%;秸秆还田处理和钾肥处理的产量无显著差异;SR+K处理的水稻秸秆氮磷钾含量分别显著增加了789%、385%、152.8%,养分吸收量分别增加41.4%、49.2%和159.2%,氮肥偏生产力提高了17.87%;秸秆还田(SR+K、SR)的土壤,有机质、全氮、速效钾含量均显著增加,K处理的土壤养分没有显著变化。可知,对于粉沙壤水稻土,长期秸秆还田配施适量钾肥,可以维持土壤肥力,提高作物产量和提高氮肥的利用效率。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2021-03-07
基金项目:国家重点研发计划(编号:2018YFD02009、2018YFD0200901);国家自然科学基金青年科学基金(编号:41907075)。
作者简介:袁国印(1985—),男,河南开封人,博士研究生,主要从事水稻和小麦高效施肥相关研究。E-mail:guoyin0310@163.com。
通信作者:王火焰,博士,研究员,主要从事作物养分管理相关研究。E-mail:hywang@issas.ac.cn。
更新日期/Last Update: 2021-10-05