CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
水肥空间组合对冬小麦光合特性及产量的影响
Authors
李世清
沈玉芳
邵明安
Publication date
1 January 2007
Publisher
Abstract
以肥熟土垫旱耕人为土为供试土壤,用分层土柱试验法研究了不同土层水分、氮、磷空间组合对冬小麦不同生育时期光合特性及籽粒产量的影响.结果表明:与0~90cm土层整体湿润相比,上干下湿(0~30cm土层干旱胁迫,30~90cm土层湿润)水分处理显著降低了小麦叶片叶绿素相对含量(SPAD)、净光合速率(Pn)和籽粒产量.2种水分条件下,氮磷配施处理对叶片SPAD、Pn和小麦籽粒产量的影响最为显著,其次是施磷处理,而施氮处理影响不显著.不同土层施氮在2种水分条件下各指标的变化趋势相同,均表现为0~90cm土层施氮小麦叶片SPAD、Pn及籽粒产量显著高于0~30、30~60和60~90cm土层施氮.不同土层施磷在2种水分条件下各指标的变化趋势也相同,表现为0~90cm土层施磷小麦叶片SPAD、Pn和籽粒产量与0~30cm土层施磷间差异不显著.不同土层氮磷配施在2种水分处理下表现不同:整体湿润条件下0~90cm土层施肥处理的小麦叶片SPAD、Pn及籽粒产量最高,与0~30cm土层差异不显著,但二者均显著高于30~60和60~90cm土层处理;上干下湿条件下各土层施肥处理间小麦叶片SPAD差异不显著,0~90cm土层施肥处理..
Similar works
Full text
Available Versions
Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.iswc.ac.cn/:361005/786
Last time updated on 21/09/2018