English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
6月
长期CO2升高与施肥管理对巴哈雀稗牧草品质的影响机制研究
美国研究人员针对东南部牧场系统在CO2升高背景下的响应机制,通过10年田间试验发现,施肥显著提升巴哈雀稗(Paspalum notatum)的粗蛋白(CP)、可消化蛋白(DP)及产量,而CO2升高仅降低木质素含量6.9%,为C4牧草应对气候变化提供管理依据。 在全球气候变化背景下 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
ICE officer shoots man in leg
Cause of death revealed
Noem faces impeachment
ICE deputy director resigns
Refuses to extradite doctor
European troops in Greenland
Mortgage rates fall
NC home burglarized
George Floyd law firm hired
US completes 1st sale of oil
Giants' new head coach?
US jobless claims fall
US sanctions Iranian officials
Trump meets with Machado
Minifridges recalled
Names first-ever CMO
Settles Medicare fraud claims
Another crane collapses
Asks to overturn conviction
Threatens military use in MN
Trump on peace deal delay
US seizes sixth oil tanker
To issue $20 credits
Meta cuts 1,500 jobs
Received 500M+ ticket requests
Senate blocks war powers bill
Ex-NCAA players charged
Oil prices plunge
Goldman Sachs profit rises
Trump won’t oust Powell
RU expels British diplomat
Sign new security pacts
反馈