Marten Sørensen

Marten Sørensen

Emeritus

ORCID: 0000-0001-6921-5366

Publication year:
All
51 - 100 out of 118Page size: 50
  1. 2008
  2. Published

    Effect of planting density and prunings on yam bean tuber yields and quality

    Jensen, H. H., Mora, A. Q., Morera, J. A. M. & Sørensen, Marten, 2008, In: Research Journal of Agronomy. 2, 2, p. 56-63 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Producción comunal sostenible de pinabete (Abies guatemalensis Rehder) para el mejoramiento del bienestar rural y la conservación biológica en el altiplano occidentalde Guatemala

    Córdova, J. P. P., Strandby, U., Kollmann, J. C., Sørensen, Marten, Nielsen, C., Castillo, J. J. & Hernández, Á., 2008, In: Tikalia. 26, 1-2, p. 35-54 20 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Producción comunal sostenible de pinabete (Abies guatemalensis Rehder) para el mejoramiento del bienestar rural y la conservación biológica en el altiplano occidental de Guatemala.

    Sørensen, Marten, 2008, In: Tikalia.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. 2007
  6. Published

    Bjergbønder i Guatemala og juletræsdyrkning

    Strandby, U., Cordova, J. P. P., Nielsen, Ulrik Braüner, Sørensen, Marten & Kollmann, J., 2007, In: Skoven. 39, 6-7, p. 292-296 5 p.

    Research output: Contribution to journal › Journal article › Communication

  7. Published

    Review of the Pachyrhizus tuberosus (Lam.) Spreng. cultivar groups in Peru

    Balbin, I. O., Sørensen, Marten, Kvist, L. P. & Vasquez, O. D., 2007, In: Plant Genetic Resources Newsletter. 151, p. 2-13 12 p.

    Research output: Contribution to journal › Journal article › Research

  8. 2006
  9. Published

    Conservation and utilisation of Abies guatemalensis rehder (Pinaceae) - an endangered endemic conifer in Central America

    Andersen, U. S., Córdova, J. P. P., Sørensen, Marten & Kollmann, J., 2006, In: Biodiversity and Conservation. 15, 10, p. 3131-3151 21 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Juletræsproduktion i Guatemala

    Nielsen, Ulrik Braüner, Andersen, U. S., Prado, P., Sørensen, Marten & Kollmann, J., 2006, In: Nåledrys. 58, p. 5-10 6 p.

    Research output: Contribution to journal › Journal article › Communication

  11. Published

    Multiplicación y corservación de arracacha (Arracacia xanthorrhiza Bancr.) y ajipa (Pachyrhizus ahipa (Wedd.) Parodi).

    Sørensen, Marten, 2006, Botánica Económica de los Andes Centrales..

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  12. Published

    Regeneration in Terminalia oblonga (Combretaceae): a common timber tree from a humid tropical forest (La Chonta, Bolivia)

    Schiøtz, M., Boesen, M. V., Nabe-Nielsen, J., Sørensen, Marten & Kollmann, J., 2006, In: Forest Ecology and Management. 225, 1-3, p. 306-312 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 2005
  14. Published

    El cultivo de chuin - pachyrhizus tuberosus: una alternativa para la seguridad alimentaria y recuperación de suelos degradados en la Amazonía Peruana

    Balbin, I. O., Vásquez, O. D., Carhuanca, K. M., Sørensen, Marten & Kvist, L. P., 2005, Peru: Instituto de Investigaciones de la Amazonía Peruana (IIAP). 40 p.

    Research output: Book/Report › Book › Communication

  15. Published

    Inducción de floración en el cultivo de arracacha (Arracacia xanthorrhiza Bancroft)

    Knudsen, S. R., Hermann, M., Santos, F. D. & Sørensen, Marten, 2005, In: Raíces Andinas - Contribuciones al conocimiento y a la capacitación. 6, p. 197-213 17 p.

    Research output: Contribution to journal › Journal article › Research

  16. 2004
  17. Published

    Factors affecting root and seed yield in ahipa (Pachyrhizus ahipa (Wedd.) Parodi), a multipurpose legume crop.

    Sørensen, Marten, 2004, In: European Journal of Agronomy.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Factors affecting root and seed yield in ahipa (Pachyrhizus ahipa (Wedd.) Parodi), a multipurpose legume crop.

    Sørensen, Marten, 2004, In: European Journal of Agronomy.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Retomando los Cultivos Andinos: La Paz, Bolivia, 2004

    Jacobsen, S., Bentley, J. & Sørensen, Marten, 2004, 78 p.

    Research output: Book/Report › Book › Research

  20. Published

    Revival of the Andes crops: La Paz, Bolivia, 2004

    Jacobsen, S., Bentley, J. & Sørensen, Marten, 2004, 46 p.

    Research output: Book/Report › Book › Research

  21. Published

    Supercrop - The yam bean, a tuber undaunted by drought, poor soil, or insects, produces astonishing yields. The crop is the focus of a worldwide effort to unlock its potential.

    Sørensen, Marten, 2004, In: Watashitachi no Shizenshi. 113, 3, p. 38-43 6 p.

    Research output: Contribution to journal › Journal article › Research

  22. 2003
  23. Published

    Diversity of Bolivian Ajipa landraces (Pachyrhizus ahipa (Wedd.) Parodi).

    Sørensen, Marten, 2003, Proceedings of the 1st International Seminar on Andean Crops in the Czech Republic 12th May 2003. .

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  24. Published

    Morphological characterization of the genetic variation existing in a Neotropical collection of yam bean, Pachyrhizus tuberosus (Lam.) Spreng.

    Sørensen, Marten, 2003, In: Genetic Resources and Crop Evolution .

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. 2002
  26. Published

    Estimations of the importance of plant resources extracted by inhabitants of the Peruvian Amazon flood plains

    Stagegaard, J., Sørensen, Marten & Kvist, L. P., 2002, In: Perspectives in Plant Ecology, Evolution and Systematics. 5/2, 2, p. 103-122 20 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Estimations of the importance of plant resources extracted by inhabitants of the Peruvian Amazon flood plains.

    Sørensen, Marten, 2002, In: Perspectives in Plant Ecology, Evolution and Systematics.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Multidisciplinary tropical field course in Guatemala

    Kollmann, J., Riedel, W. & Sørensen, Marten, 2002, In: Det Levende Universitet. 10, 11, p. 6-8 3 p.

    Research output: Contribution to journal › Journal article › Communication

  29. 2000
  30. Published

    Botanik og skovbrug: tilpasning af botanikundervisningen til de ændrede beskæftigelsesmuligheder

    Kollmann, J., Sørensen, Marten & Weiner, Jacob, 2000, In: Forening for skovbrugsstuderendeNyt. 4, p. 8-9 2 p.

    Research output: Contribution to journal › Journal article › Research

  31. Published

    Variabilidad, distribución actual, usos y nomenclatura local del cultivo tradicional Pachyrhizus tuberosus (Lam.) Spreng.

    Sørensen, Marten, 2000, In: Revista Conocimiento.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Yield potential of Yam Bean (Pachyrhizus erosus (L.) Urban) accessions in the Kingdom of Tonga, South Pacific.

    Sørensen, Marten, 2000, In: Tropical Agriculture .

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. 1999
  34. Published

    Jícama y Nupe: Dos leguminosas tuberosas con futuro en Venzuela.

    Sørensen, Marten, 1999, In: FONAIAP Divulga .

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Jícama y nupe: dos leguminosas tuberosas con futuro en Venezuela

    Espinoza, F., Sørensen, Marten, Argenti, P. & Diaz, Y., 1999, In: Fonaiap divulga. 61, p. 19-21 3 p.

    Research output: Contribution to journal › Journal article › Research

  36. Published

    Pruning practices in Pachyrhizus tuberosus (Lam.) Spreng.

    Sørensen, Marten, 1999, In: Tropical Agriculture.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. 1998
  38. Published

    Ahipa (Pachyrhizus ahipa (Wedd.) Parodi)

    Sørensen, Marten, 1998, Promoting the conservation and use of underutilized and neglected crops. 21 .

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  39. Published

    Ahipa (Pachyrhizus ahipa (Wedd.) Parodi)

    Sørensen, Marten, Grüneberg, W. J. & Ørting, B., 1998, Andean roots and tubers : ahipa, arracacha, maca and yacon. Herman, M. & Heller, J. (eds.). Rome: International Plant Genetic Resources Institute, Vol. 21. p. 13-73 60 p. (Promoting the conservation and use of underutilized and neglected crops).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  40. Published

    Evaluación del rendimiento de dos accesiones de jícama (Pachyrhizus erosus (L.) Urban) en asociación con el cultivo de yuca (Manihot esculenta Crantz)

    Mora Q., A., Morera M., J. A., Sørensen, Marten & Cadima, F., 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 191-203 13 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  41. Published

    Evaluación del rendimiento de dos accessiones de Jícama (Pachyrhizus erosus (L.) Urban) en asociación con Yuca (Manihot esculenta Crantz).

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5-8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  42. Published

    Evaluación preliminar de 18 cultivares de jícama (Pachyrhizus DC.) en el valle de Guatemala.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5–8 August Celaya, Edo. Guanajuato, Mexico. .

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  43. Published

    Evaluacíon preliminar de 18 cultivares de jícama (Pachyrhizus DC.) en el valle de la ciudad de Guatemala

    Martínez, A. B., Mont, J. J. C. & Sørensen, Marten, 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 175-180 6 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  44. Published

    Genetic variation and relationships in agronomically important species of yam bean (Pachyrhizus DC.) based on RAPD markers

    Estrella, E., Phillips, S., Abbott, R., Gillies, A. & Sørensen, Marten, 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 43-59 18 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  45. Published

    Genetic variation in agronomically important species of yam bean (Pachyrhizus DC.) based on RAPD markers.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5–8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  46. Published

    Germplasm evaluation of Pachyrhizus tuberosus (Lam.) Spreng.

    Nielsen, P. E., Halafihi, M. & Sørensen, Marten, 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 253-259 7 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  47. Published

    Germplasm evaluation of Pachyrhizus tuberosus (Lam.) Spreng.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5-8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  48. Published

    P-fertiliser effects on growth, nodulation, N and P-uptake and utilisation for fresh and dry matter yield.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5–8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  49. Published

    P-fertilizer effects on growth, nodulation, N and P-uptake and utilisation for fresh and dry matter yield

    Nielsen, P. E., Manu, V. T., Sørensen, Marten & Stølen, O., 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 469-488 20 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  50. Published

    Pachyrhizus DC. (yam bean) symbiosis with Rhizobium bacteria: genetic variation and performance

    Grum, M. & Sørensen, Marten, 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 419-429 11 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  51. Published

    Pachyrhizus DC. (yam bean) symbiosis with rhizobium bacteria: Genetic variation and performance.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5–8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  52. Published

    Principal component analysis of morphological characters in the genus Pachyrhizus DC.

    Døygaard, S. & Sørensen, Marten, 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 33-42 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  53. Published

    Principal component analysis of the morphological characters in the genus Pachyrhizus DC.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5–8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  54. Published

    Proceedings of 2. International Symposium on Tuberous Legumes, Celaya, Guanajuato, Mexico, 1996

    Sørensen, Marten, Estrella, E., Hamann, O. J. & Ruíz, S. A. R., 1998, Ikke angivet. MacKeenzie, 566 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  55. Published

    Pruning practices in Pachyrhizus tuberosus (Lam.) Spreng.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5-8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  56. Published

    Pruning practices in Pachyrhizus tuberosus (Lam.) Spreng.

    Nielsen, P. E., Halafihi, M., Sørensen, Marten & Stølen, O., 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 231-244 14 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  57. Published

    Reproductive pruning in Pachyrhizus ahipa (Wedd.) Parodi

    Nielsen, P. E. & Sørensen, Marten, 1998, Ikke angivet. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 245-252 8 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  58. Published

    Reproductive pruning in Pachyrhizus ahipa (Wedd.) Parodi.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5–8 August Celaya, Edo. Guanajuato, Mexico. .

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  59. Published

    Status of Ahipa (Pachyrhizus ahipa (Wedd.) Parodi) in Bolivia and northwestern Argentina.

    Sørensen, Marten, 1998, Proceedings of 2nd International Symposium on Tuberous Legumes, 5–8 August Celaya, Edo. Guanajuato, Mexico..

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  60. Published

    Status of ahipa (Pachyrhizus ahipa (Wedd.) Parodi) in Bolivia and Northwestern Argentina

    Ørting, B., Grüneberg, W. J., Grau, A. & Sørensen, Marten, 1998, Proceedings of 2nd international symposium on tuberous legumes. Sørensen, M., Engelmann, J. E. E., Hamann, O. J. & Ruíz, S. A. R. (eds.). MacKeenzie, p. 73-93 21 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

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