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禾豆间作系统水分和根系分隔对牧草氮素吸收利用及转移的影响

Shuitu Baochi Xuebao
[目的] 禾豆间作可兼顾生产和生态效益,提高氮素利用效率并减少氮肥污染。目前对不同水分条件下禾豆间作体系氮素利用吸收及转移分配过程尚不清晰。[方法] 通过设置2时段总水量相同但间隔3,5天的不同频次水处理,结合根系分隔(不分隔、尼龙网分隔、塑料板分隔)和氮同位素标记方法,研究间作禾豆牧草的地上生物量、氮素的吸收利用、固氮率和氮转移率。[结果] 间作披碱草的地上生物量、氮含量和氮素累积量相较单作披碱草显著提升,而苜蓿间作相比单作均降低。在总水量持平的情况下 ...
王一帆, 刘华清, 赵西宁, 高晓东   +3 more
doaj  

[Combined detection of urinary-related protein and fecal calprotectin for early warning of IgA vasculitis with nephritis in children]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Ye LY, Zhou RB, Xie M, Zhou HR, Chen XZ.
europepmc   +1 more source

[Performance evaluation of different filtration fractions during daytime continuous renal replacement therapy]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Wang L, Chen Y, Xu G, Xu C.
europepmc   +1 more source

["I love the lab" research training： a cationic covalent organic framework aerogel for organic dye removal]. [PDF]

Se Pu
Li YM, Li HY, Cao DX, Tang AN, Kong DM.
europepmc   +1 more source

[Determination of 65 synthetic cannabinoids in whole blood by QuEChERS-ultra performance liquid chromatography- mass spectrometry]. [PDF]

Se Pu
Xi Z, Ye Y, Li SP, Kang J, Liu WQ, Zhang J, Li DX.   +6 more
europepmc   +1 more source

[Determination of 16 organic ultraviolet absorbers in drinking water by solid phase extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Wang Z, Zhao C, Ye BX, Chen YY.
europepmc   +1 more source

[Elucidating the gene-environment interplay in risk factors for Age-related hearing loss]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Zan H, Li J, Zhang R, Yang J, Wang H.
europepmc   +1 more source

[Application and research progress of metal-organic framework materials in skin repair]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Ma S, Wu W, Liu H, Liu M, Xing F.
europepmc   +1 more source

[Analysis of influencing factors on secondary olfactory dysfunction in different types of chronic sinusitis]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Han L, Wang J, Qiao X.
europepmc   +1 more source

[Analysis of factors influencing tension blister formation on the skin at the dressing edges in patients undergoing negative pressure wound therapy]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Guo HH, Ning T, Ma MM, Mei SW, Ruan XJ.
europepmc   +1 more source