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| 1 | Impact of Long-Term Alfalfa Cropping on Soil Potassium Content and Clay Minerals in a Semi-Arid Loess Soil in China显示文摘Alfalfa cropping has been considered an efficient method of increasing soil fertility.Usually nitrogen increase in root nodules is considered to be the major beneficial effect.A 21-year time series (five sampling periods) of alfalfa cultivation plots on a loess soil,initially containing illite and chlorite,in Lanzhou of northwestern China was selected to investigate the relationships among alfalfa cropping,soil potassium (K) content and soil clay minerals.The results indicated that soil K significantly accumulated after cropping,with a peak value at about 15 years,and decreased afterwards.The accumulated K was associated with the K increase in the well-crystallized illite,which was not extracted by the traditional laboratory K extraction methods in assessing bioavailability.The steep decline in soil K content after 15-year cropping was in accord with the observed fertility loss in the alfalfa soil.Plant biomass productivity peaked at near 9 years of culture,whereas soil K and clay minerals continued to increase until cropping for 15 years.This suggested that K increased in the topsoil came from the deep root zone.Thus alfalfa continued to store K in clays even after peak production occurred.Nitrogen did not follow these trends,showing a general decline compared with the native prairie soils that had not been cropped.Therefore,the traditional alfalfa cropping can increase K content in the topsoil. | LI De-Cheng B. VELDE LI Feng-Min ZHANG Gan-Lin ZHAO Ming-Song HUANG Lai-Ming | 2011 | Pedosphere2011，21，4： | 6 |
| 2 | Si+4 Content of natural phengites显示文摘 | B. Velde | 1967 | Contributions to Mineralogy and Petrology1967，，3： | 1 |
| 3 | Comparison of the raman microprobe spectra of (Mg, Fe) 2 SiO 4 and Mg 2 GeO 4 with olivine and spinel structures显示文摘 | F. Guyot H. Boyer M. Madon B. Velde J. P. Poirier | 1986 | Physics and Chemistry of Minerals1986，，： | 1 |
| 4 | Si+4 Content of natural phengites显示文摘 | B. Velde | 1967 | Contributions to Mineralogy and Petrology1967，，3： | 1 |
| 5 | Si+4 Content of natural phengites显示文摘 | B. Velde | 1967 | Contributions to Mineralogy and Petrology1967，，3： | 1 |
| 6 | Preoperative diagnostic tests for operable thyroid disease显示文摘 | Diderick B. W. Roy van Zuidewijn M.D. Ph.D. Ilfet Songun M.D. Jaap Hamming M.D. Ph.D. Job Kievit M.D. Ph.D. Cornelis J. H. Velde M.D. Ph.D. Maud Veselic M.D | 1994 | World Journal of Surgery1994，，4： | 1 |
| 7 | Near‐infrared fluorescence‐guided resection of colorectal liver metastases显示文摘 | Joost R. van der Vorst Boudewijn E. Schaafsma Merlijn Hutteman Floris P. R. Verbeek Gerrit‐Jan Liefers Henk H. Hartgrink Vincent T. H. B. M. Smit Clemens W. G. M. L?wik Cornelis J. H. van de Velde John V. Frangioni Alexander L. Vahrmeijer | 2013 | Cancer2013，，18： | 1 |
| 8 | Image-guided tumor resection using real-time near-infrared fluorescence in a syngeneic rat model of primary breast cancer显示文摘 | J. Sven D. Mieog Merlijn Hutteman Joost R. Vorst Peter J. K. Kuppen Ivo Que Jouke Dijkstra Eric L. Kaijzel Frans Prins Clemens W. G. M. L?wik Vincent T. H. B. M. Smit Cornelis J. H. Velde Alexander L. Vahrmeijer | 2011 | Breast Cancer Research and Treatment2011，，3： | 1 |
| 9 | Clinical trial of combined radio‐ and fluorescence‐guided sentinel lymph node biopsy in breast cancer显示文摘 | B. E. Schaafsma F. P. R. Verbeek D. D. D. Rietbergen B. Hiel J. R. Vorst G. J. Liefers J. V. Frangioni C. J. H. Velde F. W. B. Leeuwen A. L. Vahrmeijer | 2013 | Br J Surg2013，，8： | 1 |
| 10 | High Lymph Node Yield is Related to Microsatellite Instability in Colon Cancer显示文摘 | E. Belt E. te Velde O. Krijgsman R. Brosens M. Tijssen H. Essen H. Stockmann H. Bril B. Carvalho B. Ylstra H. Bonjer G. Meijer | 2012 | Annals of Surgical Oncology2012，，4： | 1 |
| 11 | Balloon Dilation of Severe Aortic Stenosis in the Fetus: Potential for Prevention of Hypoplastic Left Heart Syndrome: Candidate Selection, Technique, and Results of Successful Intervention显示文摘 | Wayne Tworetzky Louise Wilkins-Haug Russell W. Jennings Mary E. van der Velde Audrey C. Marshall Gerald R. Marx Steven D. Colan Carol B. Benson James E. Lock Stanton B. Perry | 2004 | Circulation2004，，15： | 1 |
| 12 | Enhanced susceptibility of low-density lipoproteins to oxidation in coronary bypass patients with progression of atherosclerosis显示文摘 | Yolanda B. De Rijke Harriette F. Verwey Carla J.M. Vogelezang Edo A. Van Der Velde Hans M.G. Princen Arnoud Van Der Laarse Albert V.G. Bruschke Theo J.C. Van Berkel | 1995 | Clinica Chimica Acta1995，，2： | 1 |
| 13 | Complications of thyroid surgery显示文摘 | Dr. Diderick B. W. de Roy Zuidewijn MD PhD Ilfet Songun MD Job Kievit MD PhD Cornelis J. H. Velde MD PhD | 1995 | Annals of Surgical Oncology1995，，1： | 1 |
| 14 | Tumor Exome Analysis Reveals Neoantigen-Specific T-Cell Reactivity in an Ipilimumab-Responsive Melanoma显示文摘 | Nienke van Rooij Marit M. van Buuren Daisy Philips Arno Velds Mireille Toebes Bianca Heemskerk Laura J.A. van Dijk Sam Behjati Henk Hilkmann Dris el Atmioui Marja Nieuwland Michael R. Stratton Ron M. Kerkhoven Can Ke?mir John B. Haanen Pia Kvistborg Ton N | 2013 | Journal of Clinical Oncology2013，，： | 1 |
| 15 | High permselectivities of microporous silica-modifiedγ-alumina membranes显示文摘 | R. J. R. Uhlhorn M. H. B. J. Huis In’t Veld K. Keizer A. J. Burggraaf | 1989 | Journal of Materials Science Letters1989，，10： | 1 |
| 16 | Creation of an Atrial Septal Defect In Utero for Fetuses With Hypoplastic Left Heart Syndrome and Intact or Highly Restrictive Atrial Septum显示文摘 | Audrey C. Marshall Mary E. van der Velde Wayne Tworetzky Carlen A. Gomez Louise Wilkins-Haug Carol B. Benson Russell W. Jennings James E. Lock | 2004 | Circulation: Journal of the American Heart Association2004，，3： | 1 |
| 17 | Hypoplastic Left Heart Syndrome With Intact or Highly Restrictive Atrial Septum: Outcome After Neonatal Transcatheter Atrial Septostomy显示文摘 | Antonios Vlahos James E. Lock Doff B. McElhinney Mary E. van der Velde | 2004 | Circulation: Journal of the American Heart Association2004，，19： | 1 |
| 18 | Synthesis of ceramic membranes显示文摘 | R. J. R. Uhlhorn M. H. B. J. Huis In’t Veld K. Keizer A. J. Burggraaf | 1992 | Journal of Materials Science1992，，2： | 1 |
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