Monitoring nitrogen status of corn with a portable chlorophyll meter

References

• Fox , R.H. , Roth , G.W. , Iversen , K.V. and Piekielek , W.P. 1989 . Soil and tissue nitrate tests compared for predicting soil nitrogen availability to corn . Agron. J. , 81 : 971 – 974 .
   Web of Science ®Google Scholar
• Hong , S.D. , Fox , R.H. and Piekielek , W.P. 1990 . Field evaluation of several chemical indexes of soil nitrogen availability . Plant Soil , 123 : 83 – 88 .
   Web of Science ®Google Scholar
• Magdoff , F.R. , Jokela , W.E. , Fox , R.H. and Griffen , G.F. 1990 . A soil test for nitrogen availability in the northeastern United States . Commun. Soil Sci. Plant Anal. , 21 : 1103 – 1115 .
   Web of Science ®Google Scholar
• Sims , J.T. , Vasilas , B.L. , Gartley , K.L. , Milliken , B. and Green , V. 1995 . Evaluation of soil and plant nitrogen tests for maize on manured soils of the Atlantic coastal plain . Agron. J. , 87 : 213 – 222 .
   Web of Science ®Google Scholar
• Takebe , M. and Yoneyama , T. 1989 . Measurement of leaf color scores and its implication to nitrogen nutrition of rice plants . Japan Agric. Res. Q. , 23 : 86 – 93 .
   Google Scholar
• Blackmer , T.M. and Schepers , J.S. 1994 . Techniques for monitoring crop nitrogen status in corn . Commun. Soil Sci. Plant Anal. , 25 : 1791 – 1800 .
   Web of Science ®Google Scholar
• Wood , C.W. , Reeves , D.W. and Himelrick , D.G. 1993 . Relationships between chlorophyll meter readings and leaf chlorophyll concentration, N status, and crop yield: A review . Proceedings Agron. Soc. New Zealand , 23 : 1 – 9 .
   Google Scholar
• Schepers , J.S. , Francis , D.D. , Vigil , M. and Below , F.E. 1992 . Comparison of corn leaf nitrogen concentration and chlorophyll meter readings . Comm. Soil Sci. Plant Anal. , 23 : 2173 – 2187 .
   Web of Science ®Google Scholar
• Yadava , U.L. 1986 . A rapid and nondestructive method to determine chlorophyll in intact leaves . HortSci. , 21 : 1449 – 1450 .
   Web of Science ®Google Scholar
• Marquard , R.D. and Tipton , J.L. 1987 . Relationship between extractable chlorophyll and an in situ method to estimate leaf greeness . HortSci. , 22 : 1327
   Web of Science ®Google Scholar
• Kaakeh , W. , Pfeiffer , D.G. and Marini , R.P. 1992 . Combined effects of spirea aphid (homoptera: Aphidae) and nitrogen fertilization on net photosynthesis, total chlorophyll content, and greenness of apple leaves . J. Econ. Entomol. , 85 : 939 – 946 .
   Web of Science ®Google Scholar
• Edmisten , K.L. , Wood , C.W. , Reeves , D.W. and Tracy , P.W. 1992 . Determination of cotton nitrogen status with a hand‐held chlorophyll meter in Alabama and Missouri . Nat. Cotton Council of America. , 3 : 1101 – 1102 .
   Google Scholar
• Hartz , T.K. , LeStrange , M. and May , D.M. 1993 . Nitrogen requirements of drip‐irrigated peppers . HortSci , 28 : 1097 – 1099 .
   Web of Science ®Google Scholar
• Turner , F.T. and Jund , M.F. 1991 . Chlorophyll meter to predict nitrogen top‐dress requirement for semidwart rice . Agron. J. , 83 : 926 – 928 .
   Web of Science ®Google Scholar
• Peng , S. , Garcia , F.V. , Laza , R.C. and Cassman , K.G. 1993 . Adjustment for specific leaf weig ht improves chlorophyll meter's estimate of rice leaf nitrogen concentration . Agron. J. , 85 : 987 – 990 .
   Web of Science ®Google Scholar
• Reeves , D.W. , Mask , P.L. , Wood , C.W. and Delaney , D.P. 1993 . Determination of wheat nitrogen status with a hand‐held chlorophyll meter: Influence of management practices . J. Plant Nutr. , 16 : 781 – 796 .
   Web of Science ®Google Scholar
• Fox , R.H. , Piekielek , W.P. and Macneal , K.M. 1994 . Using a chlorophyll meter to predict nitrogen fertilizer needs of winter wheat . Commun. Soil Sci. Plant Anal. , 25 : 171 – 181 .
   Web of Science ®Google Scholar
• Piekielek , W.P. and Fox , R.H. 1992 . Use of a chlorophyll meter to predict sidedress nitrogen requirements for maize . Agron. J. , 84 : 59 – 65 .
   Web of Science ®Google Scholar
• Wood , C.W. , Reeves , D.W. , Duffield , R.R. and Edmisten , K.L. 1992 . Field chlorophyll measurements for evaluation of corn nitrogen status . J. Plant Nutr. , 15 : 487 – 500 .
   Web of Science ®Google Scholar
• Smeal , D. and Zhang , H. 1994 . Chlorophyll meter evaluation for nitrogen management in corn . Comm. Soil Sci. Plant Anal. , 25 : 1495 – 1503 .
   Web of Science ®Google Scholar
• Blackmer , T.M. and Schepers , J.S. 1995 . Use of a chlorophyll meter to monitor nitrogen status and schedule fertigation for corn . J. Prod. Agric. , 8 : 56 – 60 .
   Google Scholar
• Schepers , J.S. , Blackmer , T.M. and Francis , D.D. 1992 . “ Predicting fertilizer needs for corn in humid regions: Using chlorophyll meters ” . In Predicting Fertilizer Needs for Corn in Humid Regions , National Fertilizer and Environmental Research Center Bull. Y‐226 Edited by: Sock , S.R. and Kelley , K.R. 7 – 27 . Muscle Shoals , AL
   Google Scholar
• Blackmer , T.M. , Schepers , J.S. and Vigil , M.F. 1993 . Chlorophyll meter reading in corn as affected by plant spacing . Commun. Soil Sci. Plant Anal. , 24 : 2507 – 2516 .
   Web of Science ®Google Scholar
• Mortvedt , J.J. , Westfall , D.G. and Croissant , R.L. 1994 . Fertilizer suggestions for corn , Colorado State University Cooperative Extension . 51A 0.538
   Google Scholar
• Ronaghi , A. 1993 . Improving fertilizer N prediction and management for irrigated corn , Fort Collins , CO : Colorado State University . Ph.D. dissertation
   Google Scholar
• Diss. Abstr. , 93 3910
   Google Scholar