Skip to main content Accessibility help
×
Home

Effects of Topsoil Thickness On Winter Annual Weed Biomass Production and Nutrient Flux

  • David E. Pettry (a1), Richard E. Switzer (a1) and A. Wayne Cole (a2)

Abstract

The effects of topsoil thickness on winter annual weed growth and nutrient concentration were assessed for three consecutive years in soybean plots. The topsoil treatments had high fertility levels, uniform textures, and no herbicides were used in the study. Common chickweed composed 75% of the winter annual weed species. Weed biomass production decreased as topsoil thickness decreased from 22.5 cm to 0. Topsoil thickness of 22.5 cm produced 800 kg ha–1 more weed growth than 0 cm topsoil. The weed biomass grown in thicker topsoil had higher total amounts of N, K, Mg, and Ca.

Copyright

References

Hide All
1. Allison, L. E. 1935. Organic soil carbon by reduction of chromic acid. Soil Sci. 40:311320.
2. Bremmer, J. R. 1960. Determination of nitrogen in soils by the Kjeldahl method. J. Agric. Sci. 55:123.
3. Day, P. R. 1965. Particle fractionation and particle size analysis. in Black, C. A., ed., Methods of Soil Analysis. Part I. Agron. 9:552562.
4. Flach, K. W. 1990. Low-input agriculture and soil conservation. J. Soil Water Conserv. 45:4244.
5. Frye, W. W., Ebelhar, S. A., Murdock, L.W., and Blevins, R. L. 1982. Soil erosion effects on properties and productivity of two Kentucky soils. Soil Sci. 46:10501055.
6. Hargrove, W. L. 1986. Winter legumes as a nitrogen source for no-till grain sorghum. Agron. J. 78:7074.
7. Issac, R. A., and Kerber, J. D. 1971. Atomic absorption and flame photometry: Techniques and uses in soil, plant, and water analysis. p. 1737 in Walsh, L. M., ed., Instrumental Methods for Analysis of Soils and Plant Tissue. Soil Sci. Soc. Am., Madison, Wis.
8. Langdale, G. W., Box, J. E. Jr., Leonard, R. A., Barnett, A. P., and Fleming, W. G. 1979. Corn yield reduction on eroded Southern Piedmont Soils. J. Soil Water Conserv. 34:226228.
9. Mielke, L. N., and Schepers, J. S. 1986. Plant response to topsoil thickness on an eroded loess soil. J. Soil Water. Conserv. 41:5963.
10. Mitchell, W. H., and Teel, M. R. 1977. Winter-annual cover crops for no-tillage corn production. Agron. J. 69:569573.
11. Peech, M. 1965. Exchange acidity. in Black, C. A., ed., Methods of Soil Analysis. Part I. Agron. 9:914926.
12. Pimental, D., Allen, J., Beers, A., Guinand, L., Linder, R., McLaughlin, P., Meer, B., Musonda, D., Perdue, D., Poisson, S., Siebert, S., Stoner, K., Salazar, R., and Hawkins, A. 1987. World agriculture and soil erosion. Bioscience 37:277283.
13. Ripley, P. O., Kalbfleisch, W., Bourget, S. J., and Cooper, D. J. 1961. Soil erosion by water damage, prevention, control. Publ. No. 1083, Research Branch, Can. Dep. Agric. Ottawa, Ont.
14. Schertz, D. L., Moldenhauer, W. C., Livingston, S. J., Weesies, G. A., Hintz, E. A. 1989. Effects of past soil erosion on crop productivity in Indiana. J. Soil Water Conserv. 44:604608.
15. U.S. Dep. Agric. 1981. National Soil Erosion–Soil Productivity Research Planning Committee, Sci. Educ. Adm., Agric. Res. Soil erosion effects on soil productivity: a research perspective. J. Soil Water Conserv. 36:8290.

Keywords

Effects of Topsoil Thickness On Winter Annual Weed Biomass Production and Nutrient Flux

  • David E. Pettry (a1), Richard E. Switzer (a1) and A. Wayne Cole (a2)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed