测定时间对黑土区CO2和N2O排放通量的影响(英文).pdfVIP

测定时间对黑土区CO2和N2O排放通量的影响(英文).pdf

  1. 1、本文档共4页,可阅读全部内容。
  2. 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
  3. 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载
  4. 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
  5. 5、该文档为VIP文档,如果想要下载,成为VIP会员后,下载免费。
  6. 6、成为VIP后,下载本文档将扣除1次下载权益。下载后,不支持退款、换文档。如有疑问请联系我们
  7. 7、成为VIP后,您将拥有八大权益,权益包括:VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
  8. 8、VIP文档为合作方或网友上传,每下载1次, 网站将根据用户上传文档的质量评分、类型等,对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档
查看更多
测定时间对黑土区CO2和N2O排放通量的影响(英文).pdf

2012 spectively;AIkaline N,available P and (IJg/m ·h),P was CO2 or N2O concen- increased in morning and decreased K were 239.7,41.2 and 228.9 mg/kg. tration in standard state;( /d)was since noon;rhizosphere respiration ExperimentaI design velocity of variation about gas concen- was in step with ph0tOsVnthesis and The experiment included 6 treat- tration and time;V stood for available respiration rate in daytime was higher ments as follows:①CK②NP③NK space volume(1 6.8 1)in gas-collection than that at night[’2-13}. (4)PK(5)NPK(6)NPK,-i-NPKM.PIot box;A stood for soll area covered by C0,emission in different growth area was 63 m with random arrange— the box(0.14 m ):Twas gas tempera— periods differed a Iot and fr0m high to ment and 3 replications.Fertilizing ture in box when sampling. low was grain—filling periodbooting amount(kg/hm2)was as follows:for Daily change in gas emission flux periodmature period.In grain—filling corn,quantities of N,P205,K20 and or- The result indicated that daily period,CO2 daily emission flux was 9anic fertilier were 1 12.5。45。30 and variations of CO2 and N20 were not in— 552 mg/(m。·h)at noon (1 2:00)and 2 250,respectively;for soybean,the fluenced by fertilizer treatment,which only 254 mg/(m。·h)at 3:00 in the morn— quantities were 20_25。51_75。1 8_75 was consistent with the past reports on ing.The maximum deviation of solI and 2 250,cOrrespOndingIy:for wheat, the aspect fdata were not Iist here).In respiration In the day of different time the quantities were 1 12.5.45,30 and order to ensure that the result was can be over 1 time.During booting 2 250,respectively.Nitrogenous fertil- much more typicaI and obiective,the period,emission volume was highest jzer was urea:phosphatic fertilizer was measure

您可能关注的文档

文档评论(0)

yingzhiguo + 关注
实名认证
文档贡献者

该用户很懒,什么也没介绍

版权声明书
用户编号:5243141323000000

1亿VIP精品文档

相关文档