Effects of Nitrogen Application on Chlorophyll Fluorescence Parameters and Leaf Gas Exchange in Nake

来源 :农业科学学报:英文版 | 被引量 : 0次 | 上传用户:fm880
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Naked oat(Avena nuda L.)was originated from China,where soil nitrogen(N)is low availability.The responses of chlorophyll(Chl.)fluorescence parameters and leaf gas exchange to N application were analysed in this study.After the N application rate ranged fr
其他文献
目的探讨老年肺结核合并下呼吸道感染病原菌种类及抗生素的选择。方法对我院2013年4月至2014年6月收治的60例老年肺结核合并下呼吸道感染的病例进行回顾性分析。结果老年肺结
Ginsenosides Rg1,Rb1,R1,Rd,and Re are major constituents of Panax notoginseng,a famous traditional Chinese medicinal herb,which has both stimulative and inhibit
The carbon (C),nitrogen (N) and phosphorus (P) variations of a temperate wetland soil under continuous cultivation for 40 yr were determined and evaluated in th
目的探讨复合小梁切除术联合视网膜光凝术及玻璃体腔注射雷珠单抗治疗新生血管性青光眼的疗效。方法回顾性分析视网膜中央静脉阻塞病变继发新生血管性青光眼,能看清眼底进行
目的观察奥沙利铂(L—OHP)联合氟脲嘧啶(5-Fu)、亚叶酸钙(CF)组成的FOLFOX4方案治疗晚期胃癌的近期疗效和毒副反应。方法L—OHP 85mg/m^2静脉滴注2h,d1,CF200mg/m^2静脉滴注2h,d1,2,5-Fu
脊柱转移瘤较常见,但早期诊断比较困难,本文对我院门诊误诊的26例进行分析,报告如下。
目的应用改良CHOP方案治疗老年侵袭性非霍奇金淋巴瘤(NHL),探讨其疗效和毒副作用。方法选择60—78岁侵袭性非霍奇金淋巴瘤患者,应用改良CHOP方案治疗4—6个周期。观察其疗效。结
In order to clarify the interactive mechanism between grazing yak and alpine meadow on the Qinghai-Tibetan Plateau,our study assessed seed density(by species)in
A pretreatment process for hydrogen peroxide (H2O2) was optimized to enhance the biodegradation performance of rice straw and increase biogas yield. A determina
目的观察国产紫杉醇(PTX)联合5-氟脲嘧啶(5-Fu)、羟基喜树碱(HCPT)、顺铂(DDP)方案治疗晚期胃癌的疗效和毒副反应。方法采用PTX 135 mg/m^2,加入生理盐水静滴3 h,d1;5-Fu 300 mg/m^2,