Systematic Measurement Methods for the Determination of the SPAD Values of Maize (Zea mays L.) Canopy and Potato (Solanum tuberosum L.)

References

• Bindi , M. , Hacour , A. , Vandermeiren , K. , Craigon , J. , Ojanpera , K. , Selldén , G. , ögy , P. H , Finnan , J. and Fibbi , L. 2002 . Chlorophyll concentration of potatoes grown under elevated carbon dioxide and/or ozone concentrations . European Journal of Agronomy , 17 : 319 – 335 .
   Web of Science ®Google Scholar
• Botha , E. J. , Leblon , B. , Zebarth , B. and Watmough , J. 2007 . Non-destructive estimation of potato leaf chlorophyll from canopy hyperspectral reflectance using the inverted PROSAIL model . International Journal of Applied Earth Observation and Geoinformation , 9 : 360 – 374 .
   Web of Science ®Google Scholar
• Cartelat , A. , Cerovic , Z. G. , Goulas , Y. , Meyer , S. , Lelarge , C. , Prioul , J.-L. , Barbottin , A. , Jeuffroy , M.-H. , Gate , P. , Agati , G. and Moya , I. 2005 . Optically assessed contents of leaf polyphenolics and chlorophyll as indicators of nitrogen deficiency in wheat (Triticum aestivum L.) . Field Crops Research , 91 : 35 – 49 .
   Web of Science ®Google Scholar
• Carter , G. A. 1994 . Ratios of leaf reflectances in narrow wavebands as indicators of plant stress . International Journal of Remote Sensing , 15 : 697 – 703 .
   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 . Agronomy Journal , 89 : 557 – 562 .
   Web of Science ®Google Scholar
• Döring , T. F. , Brandt , M. , Heß , J. , Finckh , M. R. and Saucke , H. 2005 . Effects of straw mulch on soil nitrate dynamics, weeds, yield, and soil erosion in organically grown potatoes . Field Crops Research , 94 : 238 – 249 .
   Web of Science ®Google Scholar
• Dwyer , L. M. , Tollenaar , M. and Houwing , L. 1991 . A nondestructive method to monitor leaf greenness in corn . Canadian Journal of Plant Science , 71 : 505 – 509 .
   Web of Science ®Google Scholar
• Feil , B. , Garibay , S. V. , Ammon , H. U. and Stamp , P. 1997 . Maize production in a grass mulch system: Seasonal patterns of indicators of the nitrogen status of maize . European Journal of Agronomy , 7 : 171 – 179 .
   Web of Science ®Google Scholar
• Fox , R. H. , Piekielek , W. P. and Macneal , K. E. 2001 . Comparison of late-season diagnostic tests for predicting nitrogen status of corn . Agronomy Journal , 93 : 590 – 597 .
   Web of Science ®Google Scholar
• Gajdos , É. , óth , B. T and Kovács , B. 2009 . Applicability of biofertilization under cadmium stress in the case of maize and sunflower . Cereal Research Communications , 37 : 593 – 596 .
   Web of Science ®Google Scholar
• Jinwen , L. , Jingping , Y. , Pinpin , F. , Junlan , S. , Dongsheng , L. , Changshui , G. and Wenyue , C. 2009 . Responses of rice leaf thickness, SPAD readings, and chlorophyll a/b ratios to different nitrogen supply rates in paddy field . Field Crops Research , 114 : 426 – 432 .
   Web of Science ®Google Scholar
• Jongschaap , R. E. E. and Booij , R. 2004 . Spectral measurements at different spatial scales in potato: Relating leaf, plant, and canopy nitrogen status . International Journal of Applied Earth Observation and Geoinformation , 5 : 205 – 218 .
   Google Scholar
• Lemaire , G. , Jeuffroy , M.-H. and Gastal , F. 2008 . Diagnosis tool for plant and crop N status in vegetative stage: Theory and practices for crop N management . European Journal of Agronomy , 28 : 614 – 624 .
   Web of Science ®Google Scholar
• Lin , F. F. , Qiu , L. F. , Deng , J. S. , Shi , Y. Y. , Chen , L. S. and Wang , K. 2010 . Investigation of SPAD meter-based indices for estimating rice nitrogen status . Computers and Electronics in Agriculture , 71 : 60 – 65 .
   Web of Science ®Google Scholar
• Markwell , J. , Osterman , J. C. and Mitchell , J. L. 1995 . Calibration of the Minolta SPAD-502 leaf chlorophyll meter . Photosynthesis Research , 46 : 467 – 472 .
   PubMed Web of Science ®Google Scholar
• Minolta Camera Co. Ltd . 1989 . Chlorophyll meter SPAD-502 instruction manual , Osaka , , Japan : Radiometric Instruments Divisions, Minolta .
   Google Scholar
• Montemurro , F. , Maiorana , M. , Ferri , D. and Convertini , G. 2006 . Nitrogen indicators, uptake, And utilization efficiency in a maize and barley rotation cropped at different levels and sources of N fertilization . Field Crops Research , 99 : 114 – 124 .
   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 . Agronomy Journal , 84 : 59 – 65 .
   Web of Science ®Google Scholar
• Rajcan , I. , Dwyer , L. M. and Tollenaar , M. 1999 . Note on relationship between leaf soluble carbohydrate and chlorophyll concentrations in maize during leaf senescence . Field Crops Research , 63 : 13 – 17 .
   Web of Science ®Google Scholar
• Scheepers , J. S. , Francis , D. D. , Vigil , M. and Below , F. E. 1992 . Comparison of corn leaf nitrogen concentration and chlorophyll meter readings . Communications in Soil Science and Plant Analysis , 23 : 2173 – 2187 .
   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 . Agronomy Journal , 87 : 213 – 222 .
   Web of Science ®Google Scholar
• Vos , J. and Bom , M. 1993 . Hand-held chlorophyll meter: A promising tool to assess the nitrogen status of potato foliage . Potato Research , 36 : 301 – 308 .
   Web of Science ®Google Scholar
• Wang , G. , Kang , M. S. and Moreno , O. 1999 . Genetic analyses of grain-filling rate and duration in maize . Field Crops Research , 61 : 211 – 222 .
   Web of Science ®Google Scholar