Sample Size Determination for Chlorophyll Meter Readings on Maize Hybrids with a Broad Range of Canopy Types

References

• Rice , C. W. , Havlin , J. L. and Schepers , J. S. 1995 . Rational nitrogen fertilization in intensive cropping systems . Fert. Res. , 42 : 89 – 97 .
   Web of Science ®Google Scholar
• Patni , N. K. , Masse , L. and Jui , P. Y. 1996 . Tile effluent quality and chemical losses under conventional and no tillage. Part 1. Flow and nitrate . Trans. ASAE , 39 : 1665 – 1672 .
   Google Scholar
• Costa , C. 1991 . Nitrogen rates and chlorophyll content in maize leaves . Photosynthetica , 25 : 447 – 450 .
   Web of Science ®Google Scholar
• Peltonen , J. , Virtanen , A. and Haggrèn , E. 1995 . Using a chlorophyll meter to optimize nitrogen fertilizer application for intensively‐managed small‐grain cereals . J. Agron. Crop Sci. , 174 : 309 – 318 .
   Web of Science ®Google Scholar
• Chapman , S. C. and Barreto , H. J. 1997 . Using a chlorophyll meter to estimate specific leaf‐nitrogen of tropical maize during vegetative growth . Agron. J. , 89 : 557 – 562 .
   Web of Science ®Google Scholar
• Schepers , J. S. , Francis , D. D. , Vigil , M. and Below , F. E. 1992 . Comparison of maize leaf‐nitrogen concentration and chlorophyll meter readings . Commun. Soil Sci. Plant Anal. , 23 : 2173 – 2187 .
   Web of Science ®Google Scholar
• Smeal , D. and Zhang , H. 1994 . Chlorophyll meter evaluation for nitrogen management in maize . Commun. Soil Sci. Plant Anal. , 25 : 1495 – 1503 .
   Web of Science ®Google Scholar
• Dwyer , L. M. , Anderson , A. M. , Ma , B. L. , Stewart , D. W. , Tollenaar , M. and Gregorich , G. 1995 . Quantifying the nonlinearity in chlorophyll meter response to maize leaf‐nitrogen concentration . Can. J. Plant Sci. , 75 : 179 – 182 .
   Web of Science ®Google Scholar
• Costa , C. , Dwyer , L. M. , Dutilleul , P. , Stewart , D. W. , Ma , B. L. and Smith , D. L. 2001 . Inter‐relationships of applied nitrogen, SPAD, and yield of leafy and non‐leafy maize genotypes . J. Plant Nutr. , 24 : 1173 – 1194 .
   Web of Science ®Google Scholar
• Turner , F. T. and Jund , M. F. 1991 . Chlorophyll meter to predict nitrogen topdress requirement for semidwarf rice . Agron. J. , 83 : 926 – 928 .
   Web of Science ®Google Scholar
• Ma , B. L. , Morrison , M. J. and Voldeng , H. D. 1995 . Leaf greenness and photosynthetic rates in soybean . Crop Sci. , 35 : 1411 – 1414 .
   Web of Science ®Google Scholar
• Peryea , F. J. and Kammereck , R. 1997 . Use of Minolta SPAD‐502 chlorophyll meter to quantify the effectiveness of mid‐summer trunk injection of iron on chlorotic pear trees . J. Plant Nutr. , 20 : 1457 – 1463 .
   Web of Science ®Google Scholar
• Waskom , R. M. , Westfall , D. G. , Spellman , D. E. and Soltanpour , P. N. 1996 . Monitoring nitrogen status of maize with a portable chlorophyll meter . Commun. Soil Sci. Plant Anal. , 27 : 545 – 560 .
   Web of Science ®Google Scholar
• Bullock , D. G. and Anderson , D. S. 1998 . Evaluation of the Minolta SPAD‐502 chlorophyll meter for nitrogen management in maize . J. Plant Nutr. , 21 : 741 – 755 .
   Web of Science ®Google Scholar
• Blackmer , T. M. , Schepers , J. S. and Vigil , M. F. 1993 . Chlorophyll meter readings in maize as affected by plant spacing . Commun. Soil Sci. Plant Anal. , 24 : 2507 – 2516 .
   Web of Science ®Google Scholar
• Bros , W. E. and Cowell , B. C. 1987 . A technique for optimizing sample size (replication) . J. Exp. Mar. Biol. Ecol. , 114 : 63 – 71 .
   Web of Science ®Google Scholar
• Pillar , V. D. 1998 . Sampling sufficiency in ecological surveys . Abstr. Bot. , 22 : 37 – 48 .
   Google Scholar
• Sokal , R. R. and Rohlf , F. J. 1995 . Biometry: The Principles and Practice of Statistics in Biological Research , 3rd New York : Freeman .
   Google Scholar
• Cochran , W. G. 1977 . Sampling Techniques New York : Wiley .
   Google Scholar
• Wu , T. and Dutilleul , P. 1999 . Validity and efficiency of neighbor analyses in comparison with classical complete and incomplete block analyses of field experiments . Agron. J. , 91 : 721 – 731 .
   Google Scholar
• Shaver , D. L. Genetics and breeding of maize with extra leaves above the ear . Proceedings of the 38th Annual Corn and Sorghum Research Conference . pp. 61 – 180 . Washington, D.C. : American Seed Trade Association .
   Google Scholar
• Modarres , A. M. , Hamilton , R. I. , Dwyer , L. M. , Stewart , D. W. , Mather , D. E. , Dijak , M. and Smith , D. L. 1997 . Leafy reduced‐stature maize for short season environments: morphological aspects of inbreds lines . Euphytica , 96 : 301 – 309 .
   Web of Science ®Google Scholar
• Steel , R. G.D. and Torrie , J. H. 1980 . Principles and Procedures of Statistics: A Biometrical Approach , 2nd New York : McGraw‐Hill .
   Google Scholar
• 1997 . SAS for Windows , Release 6.12 Cary, NC : SAS Institute . SAS Institute
   Google Scholar
• Mooney , C. Z. and Duval , R. 1993 . Bootstrapping: A Nonparametric Approach to Statistical Inference London : London, Sage .
   Google Scholar
• Wood , C. W. , Reeves , D. W. , Duffield , R. R. and Edmisten , K. L. 1992 . Field chlorophyll measurements for evaluation of maize nitrogen status . J. Plant Nutr. , 15 : 487 – 500 .
   Web of Science ®Google Scholar
• Piekielek , W. P. and Fox , H. F. 1992 . Use of a chlorophyll meter to predict sidedress nitrogen requirements for maize . Agron. J. , 84 : 59 – 65 .
   Web of Science ®Google Scholar
• Patterson , H. D. and Thompson , R. 1971 . Recovery of inter‐block information when block sizes are unequal . Biometrika , 58 : 545 – 554 .
   Web of Science ®Google Scholar
• Efron , B. 1979 . Bootstrap methods: another look at the jackknife . Ann. Stat. , 7 : 1 – 25 .
   Web of Science ®Google Scholar
• Efron , B. and Tibshirani , R. 1993 . An Introduction to the Bootstrap London : Chapman and Hall .
   Google Scholar
• Ma , B. L. and Dwyer , L. M. 1999 . Within plot variability in available soil mineral N in relation to leaf greenness and yield . Commun. Soil Sci. Plant Anal. , 30 : 1919 – 1928 .
   Web of Science ®Google Scholar