References
- Anderson , G. 1980 . “ Assessing organic phosphorus in soils ” . In The Role of Phosphorus in Agriculture , Edited by: Khasawneh , F.E. , Sample , E.C. and Kamprath , E.J. 425 – 427 . Madison, WI : American Society of Agronomy .
- Anderson , J.P.E. and Domsch , K.H. 1978 . A physiological method for the quantitative measurement of microbial biomass in soils . Soil Biol. Biochem. , 10 : 215 – 221 .
- Atkinson , D. 1990 . “ Influence of root system morphology and development on the need for fertilizers and the efficiency of use ” . In Crops as Enhancers of Nutrient Use , Edited by: Baligar , V.C. and Duncan , R.R. 411 – 451 . San Diego, CA : Academic Press .
- Bray , R.H. and Kurtz , L.T. 1945 . Determination of total organic and available forms of phosphorus in soil . Soil Sci. , 59 : 39 – 45 .
- Brookes , P.C. , Powlson , D.S. and Jenkinson , D.S. 1984 . Phosphorus in the soil microbial biomass . Soil Biol. Biochem. , 16 : 169 – 175 .
- Dahnke , W.C. 1988 . Recommended Chemical Soil Test Procedures for the North Central Region , Fargo, ND : North Dakota Agricultural Experiment Station, North Dakota State University . NCR Publication No. 221 (revised)
- Day , P.R. 1965 . “ Particle fractionation and particle‐size analysis ” . In Methods of Soil Analysis , Agronomy No. 9 Edited by: Black , CA. , Evans , D.D. , White , J.L. , Ensminger , L.E. and Clark , F.E. 545 – 567 . Madison, WI : American Society of Agronomy . Part 1
- Donahue , R.L. , Miller , R.W. and Shickluna , J.C. 1983 . Soils—An Introduction to Soils and Plant Growth , New York, NY : Prentice‐Hall .
- Federer , W.T. 1955 . Experimental Design: Theory and Application , New York, NY : The Macmillan Co. .
- Giovannetti , M. and Mosse , B. 1980 . An evaluation of techniques for measuring vesicular arbuscular mycorrhizal infection in roots . New Phytol. , 84 : 489 – 500 .
- Haas , J.H. , Bar‐Yosef , B. , Krikun , J. , Barak , R. , Markovitz , T. and Kramer , S. 1987 . Vesicular‐arbuscular mycorrhizal fungus infestation and phosphorus fertigation to overcome pepper stunting after methyl bromide fumigation . Agron. J. , 79 : 905 – 910 .
- Hedley , M.J. , White , R.E. and Nye , P.H. 1982 . Plant‐induced changes in the rhizosphere of rape (Brassica napus, var. Emerald) seedlings. III. Changes in L value, soil phosphate fractions and phosphatase activity . New Phytol. , 91 : 45 – 56 .
- Jackson , M. L. 1958 . Soil Chemical Analysis , Englewood Cliffs, NJ : Prentice‐Hall .
- Jawson , M.D. , Franzluebbers , A.J. , Galusha , D.K. and Aiken , R.M. 1993 . Soil fumigation within monoculture and rotations: Response of corn and mycorrhizae . Agron. J. , 85 : 1174 – 1180 .
- Jenkinson , D.S. and Ladd , J.N. 1981 . “ Microbial biomass in soil: Measurement and turnover ” . In Soil Biochemistry , Edited by: Paul , E.A. and Ladd , J.N. Volume 5 , 415 – 457 . New York, NY : Marcel Dekker, Inc. .
- Phillips , J.M. and Hayman , D.S. 1970 . Improved procedures for clearing roots and staining parasitic and vesicular‐arbuscular mycorrhizal fungi for rapid assessment of infection . Trans. Brit. Mycol. Soc. , 55 : 158 – 161 .
- Raju , P.S. , Clark , R.B. , Ellis , J.R. and Maranville , J.W. 1990 . Mineral uptake and growth of sorghum colonized with VA mycorrhiza at varied soil phosphorus levels . J. Plant Nutr. , 13 : 843 – 859 .
- SAS Institute . 1985 . SAS User's Guide: Statistics , Cary, NC : Statistical Analysis System Institute .
- Smith , J.L. , McNeal , B.L. and Cheng , H.H. 1985 . Estimation of soil microbial biomass: An analysis of the respiratory response of soils . Soil Biol. Biochem. , 17 : 11 – 16 .
- Soil Conservation Service . 1984 . “ Procedures for Collecting Soil Samples and Methods of Analysis for Soil Survey ” . In USDA‐SCS Soil Survey Invest , Report No. 1 Washington, DC : U.S. Government Printing Office .
- Stevenson , F.J. 1986 . Cycles of Soil: Carbon, Nitrogen, Phosphorus, Sulfur, Micronutrients , New York, NY : Wiley‐Interscience .
- Tabatabai , M.A. and Bremner , J.M. 1969 . Use of p‐nitrophenyl phosphate for assay of soil phosphatase activity . Soil Biol. Biochem. , 1 : 301 – 307 .
- Journal Series No. 11179, Agricultural Research Division, Institute of Agriculture and Natural Resources, University of Nebraska‐Lincoln.
- Corresponding author.