Relative cost to soil fertility of long-term crop production without fertilization

Canadian Journal of Plant Science

Volumn 76, Issue 3, 1996, Pages 401-406

  Campbell, C A ^a   Lafond, G P ^c   Harapiak, J T ^b   Selles, F ^a  

^a SWIFT CURRENT RESEARCH AND DEVELOPMENT CENTRE   (Canada)

^b WESTCO Fertilizer Ltd   (Canada)

^c AGRICULTURE AND AGRI FOOD CANADA   (Canada)

Author keywords

fertilizers; legumes; Nitrogen; phosphorus; soil degradation

Indexed keywords

CROP PRODUCTION; FERTILIZATION; NITROGEN; PHOSPHORUS; SOIL DEGRADATION; SOIL FERTILITY;

CANADA, SASKATCHEWAN, INDIAN HEAD;

POACEAE; TRITICUM AESTIVUM;

EID: 0030404932     PISSN: 00084220     EISSN: None     Source Type: Journal    
DOI: 10.4141/cjps96-071     Document Type: Article

References (10)

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2. Campbell, C. A., Lafond, G. P., Leyshon, A. J., Zentner, R. P. and Janzen, H. H. 1991. Effect of cropping practices on the initial potential rate of N mineralization in a thin Black Chernozem. Can. J. Soil Sci. 71: 43-53.
3. Campbell, C. A., Lafond, G. P. and Zentner, R. P. 1993. Spring wheat yield trends as influenced by fertilizer and legumes. J. Prod. Agric. 6: 564-568.
4. Campbell, C. A. and Zentner, R. P. 1993. Soil organic matter as influenced by crop rotations and fertilization. Soil Sci. Soc. Am. J. 57: 1034-1040.
5. Hamm, J. W., Radford, F. G. and Halstead, E. H. 1970. The simultaneous determination of nitrogen, phosphorus and potassium in sodium bicarbonate extracts of soils. Pages 65-69 in Technicon International Congress, Advances in Automatic Analysis, Industrial Analysis 2. Futura Publ. Co., Mt. Kisco, NY.
6. Janzen, H. H. and Schaalje, G. B. 1992. Barley response to nitrogen and non-nutritional benefits of legume green manure. Plant and Soil 142: 19-30.
7. Large, E. C. 1954. Growth stages in cereals - Ilustration of the Feekes scale. Plant Pathol. 3: 128-129.
8. Power, J. F. 1987. The role of legumes in conservation tillage systems. Proc. of a national conference. University of Georgia, Athens GA. 27-29 April 1987.
9. SAS Institute Inc. 1985. SAS user's guide: Statistics, Version 5 Edition. SAS Institute, Inc., Cary, NC.
10. Zentner, R. P., Campbell, C. A. and Selles, F. 1993. Build-up in soil available P and yield response of spring wheat to seed-placed P in a 24-year study in the Brown soil zone. Can. J. Soil Sci. 73: 173-181.