The relationship between coverage and dry matter contribution of forage legumes in binary legume-grass mixtures

Crop Science

Volumn 50, Issue 5, 2010, Pages 2186-2193

  Himstedt, Maike ^a   Fricke, Thomas ^a   Wachendorf, Michael ^a  

^a UNIVERSITY OF KASSEL   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

MEDICAGO SATIVA; TRIFOLIUM; TRIFOLIUM PRATENSE; TRIFOLIUM REPENS;

EID: 78649974760     PISSN: 0011183X     EISSN: None     Source Type: Journal    
DOI: 10.2135/cropsci2009.10.0592     Document Type: Article

References (39)

1. Biewer, S., S. Erasmi, T. Fricke, and M. Wachendorf. 2008. Prediction of yield and legume contribution in legume-grass mixtures using field spectrometry. Precis. Agric. 10:128-144.
2. Biewer, S., T. Fricke, and M. Wachendorf. 2009. Determination of dry matter yield from legume-grass swards by field spectroscopy. Crop Sci. 49:1927-1936.
3. Boller, B.C., and J. Nösberger. 1987. Symbiotically fixed nitrogen from field-grown white and red clover mixed with ryegrasses at low levels of 15N-fertilization. Plant Soil 104:219-226.
4. Braun-Blanquet, J. 1964. Plant sociology. 3rd. ed. (In German.) Springer-Verlag, Wien und New York.
5. Carlsson, G., and K. Huss-Danell. 2003. Nitrogen fixation in perennial forage legumes in the field. Plant Soil 253:353-372.
6. Coleman, S.W., S. Christiansen, and J.S. Shenk. 1990. Prediction of botanical composition using NIRS calibrations developed from botanically pure samples. Crop Sci. 30:202-207.
7. Connolly, J., and M. Wachendorf. 2001. Developing multisite dynamic models of mixed species plant communities. Ann. Bot. (Lond.) 88:703-712.
8. Cox, D.R., and E.J. Snell. 1989. The analysis of binary data, 2nd ed. Chapman & Hall, London.
9. Draper, N.R., and H. Smith. 1998. Applied regression analysis, 3rd ed. John Wiley & Sons, New York.
10. Ehlert, D., V. Hammen, and R. Adamer. 2003. On-line sensor pendulummeter for determination of plant mass. Precis. Agric. 4:139-148.
11. Frame, J. 1992. Improved grassland management. Farming Press Books, Ipswich, UK.
12. Frame, J., R.D. Harkness, and I.V. Hunt. 1985. Effect of seed rate of red clover and of companion timothy or tall fescue on herbage production. Grass Forage Sci. 40:459-465.
13. Fricke, T., and M. Wachendorf. 2008. Sensor-based technologies to assess grassland biomass in short term leys. Grassl. Sci. Eur. 13:191-193.
14. Goodall, D.W. 1952. Some considerations in the use of point quadrats for the analysis of vegetation. Aust. J. Sci. Res. Ser. B Biol. Sci. 5:1-41.
15. Grant, S.A. 1993. Resource description: Vegetation and sward components. In A. Davies, R.D. Baker, S.A. Grant, and A.S. Laidlaw (ed.) Sward measurement handbook. 2nd ed. The British Grassland Society, University of Reading, Berks.
16. Heichel, G.H., and K.I. Henjum. 1991. Dinitrogen fixation, nitrogen transfer and productivity of forage legume-grass communities. Crop Sci. 31:202-208.
17. Himstedt, M., T. Fricke, and M. Wachendorf. 2009. Determining the contribution of legumes in legume/grass mixtures using digital image analysis. Crop Sci. 49:1910-1916.
18. Hodgson, J. 1990. Grazing management: Science into practice. Wiley & Sons, New York.
19. Høgh-Jensen, H., R. Loges, F.V. Jorgensen, F.P. Vinther, and E.S. Jensen. 2004. An empirical model for quantification of symbiotic nitrogen fixation in grass-clover mixtures. Agric. Syst. 82:181-194.
20. Kennedy, K.A., and P.A. Addison. 1987. Some considerations for the use of visual estimates of plant cover in bio-monitoring. J. Ecol. 75:151-157.
21. Kercher, S.M., C.B. Frieswyk, and J.B. Zedler. 2003. Effects of sampling teams and estimation methods on the assessment of plant cover. J. Veg. Sci. 14:899-906.
22. Klapp, E., and A. Stählin. 1936. Habitat, plant society and productivity of grassland (in German). Eugen Ulmer, Stuttgart 1936.
23. Lantinga, E.A., M. Nassiri, and M.J. Kropff. 1999. Modelling and measuring vertical light absorption within grass-clover mixtures. Agric. For. Meteorol. 96:71-83.
24. Ledgard, S.F., and K.W. Steele. 1992. Biological nitrogen fixation in mixed legume/grass pastures. Plant Soil 141:137-153.
25. Levy, E.B., and E.A. Madden. 1933. The point method of pasture analysis. N.Z. J. Agric. 46:267-279.
26. Loges, R. 1998. Yield, forage quality, di-nitrogen fixation and pre crop value of red clover and red clover/grass-mixtures. (In German, with English abstract.) Ph.D. diss. Univ. of Kiel, Germany.
27. Moore, K.J., C.A. Roberts, and J.O. Fritz. 1990. Indirect estimation of botanical composition of alfalfa-smooth bromegrass mixtures. Agron. J. 82:287-290.
28. Nelder, J.A. 1994. The statistics of linear models: Back to the basics. Stat. Comput. 4:221-234.
29. Nelder, J.A., and P.W. Lane. 1995. The computer analysis of factorial experiments. In memoriam: Frank Yates. Am. Statistician 49:382-385.
30. Sanderson, M.A., C.A. Rotz, S.W. Fultz, and E.B. Rayburn. 2001. Estimating forage mass with a commercial capacitance meter, rising plate meter, and pasture ruler. Agron. J. 93:1281-1286.
31. Sanderson, M.A., K. Soder, N. Brzezinski, F. Taube, K. Klement, L. Muller, and M. Wachendorf. 2006. Sward structure of simple and complex mixtures of temperate forages. Agron. J. 98:238-244.
32. SAS Institute. 2002. SAS version 9.1. SAS Institute, Cary, NC.
33. Schmidtke, K. 1997. Einfluss von Rotklee (Trifolium pratense L.) in Reinsaat und Gemenge mit Poaceen auf symbiontische N2-Fixierung, bodenbürtige N-Aufnahme und CaCl2-extrahierbare N-Fraktionen im Boden. PhD. diss. Univ. of Gießen, Germany.
34. Schut, A., and J. Ketelaars. 2003. Assessment of seasonal dry-matter yield and quality of grass swards with imaging spectroscopy. Grass Forage Sci. 58:385-396.
35. Shaffer, J.A., G.A. Jung, J.S. Shenk, and S.M. Abrams. 1990. Estimation of botanical composition in alfalfa/ryegrass mixtures by near infrared spectroscopy. Agron. J. 82:669-673.
36. Wachendorf, M., M. Büchter, H. Trott, and F. Taube. 2004. Performance and environmental effects of forage production on sandy soils. II. Impact of defoliation system and nitrogen input on nitrate leaching losses. Grass Forage Sci. 59:56-68.
37. Wachendorf, M., B. Ingwersen, and F. Taube. 1999. Prediction of the clover content of red clover and white clover/grass-mixtures by near infrared reflectance spectroscopy. Grass Forage Sci. 54:87-90.
38. Weißbach, F. 1995. Über die Schätzung des Beitrages der symbiontischen N2-Fixierung durch Weißklee zur Stickstoffbilanz von Grünlandflächen. Landbauforsch. Völkenrode. 45:67-74.
39. Wilson, W.J. 1932. Errors resulting from thickness of point quadrats. Aust. J. Bot. 11:178-188.