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Original Articles

Petiole nitrate concentration as an indicator of geranium nitrogen status

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Pages 363-371 | Published online: 11 Nov 2008

References

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  • Orion Research Incorporated . 1978 . Instruction manual (for) nitrate electrode Cambridge , Mass. 02139 Model 93–07
  • Smith , F.F. 1962 . Mineral analysis of plant tissues . Ann. Rev. Plant Physiol. , 13 : 81 – 108 .
  • Ulrich , A. 1942 . Nitrate content of grape leaf petioles as an indicator of the nitrogen status of the plant . Proc. Amer. Soc. Hort. Sci. , 41 : 213 – 219 .
  • Ulrich , A. 1961 . Plant analysis in sugar beet nutrition . Plant Anal. Fert. Prob. , 8 : 190 – 211 .

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