Nutritional diagnosis of fig tree leaves

References

• Baethgen , W.E. and Alley , M.M. 1989 . A manual colorimetric procedure for measuring ammonium nitrogen in soil and plant . Commun. Soil Sci. Plant Anal. , 20 : 961 – 969 .
   Web of Science ®Google Scholar
• Bradford , M.M. 1976 . A rapid and sensitive method for the quantification of microgram quantities of protein utilizing the principle of protein‐dyebinding . Anal. Biochem. , 72 : 248 – 254 .
   PubMed Web of Science ®Google Scholar
• Bruinsma , J. 1963 . The quantitative analysis of chlorophylls a and b in plant extracts . Photochem. Photobiol. , 2 : 241 – 249 .
   Web of Science ®Google Scholar
• Cataldo , D.A. , Haroon , M. , Schrader , L.E. and Young , V.L. 1975 . Rapid colorimetric determination of nitrate in plant tissue by nitration of salicylic acid . Commun. Soil Sci. Plant Anal. , 6 : 71 – 80 .
   Web of Science ®Google Scholar
• Guzmán , M. , Urrestarazu , M. and Romero , L. 1986 . Active and total iron in Castanea sativa and their relation to other nutrients . J. Plant Nutr. , 9 : 909 – 920 .
   Web of Science ®Google Scholar
• Guzmÿn , M. , Belakbir , A. , Valenzuela , J.L. and Romero , L. 1995 . Cation‐anion balance and optimum range in horticultural crops . Phyton Int. J. Exp. Bot. , 57 : 11 – 20 .
   Google Scholar
• Hiscox , J.D. and Israelstam , G.F. 1979 . A method for the extraction of chlorophyll from leaf tissue without maceration . Can. J. Bot. , 57 : 1332 – 1334 .
   Google Scholar
• Hocking , P. J. and Pate , J.S. 1977 . Mobilization of minerals to developing seeds of legumes . Ann. Bot. (London) , 41 : 1259 – 1278 .
   Web of Science ®Google Scholar
• Kitson , R.E. and Mellon , M.G. 1944 . Colorimetric determination of P as molybdo‐vanadophosphoric acid . Ind. End. Chem. Anal. Ed. , 16 : 379 – 383 .
   Google Scholar
• Koltoff , I. and Kuroda , P.K. 1951 . Determination of trace of chloride . Anal. Chem. , 23 : 1301 – 1306 .
   Google Scholar
• Lachica , M. , Aguilar , A. and Yanez , J. 1973 . Análisis foliar. Métodos utilizados en la Estación Experimental del Zaidín . A. Edafol. Agrobiol. , 32 : 1033 – 1047 .
   Google Scholar
• López‐Cantarero , I. , Lorente , F.A. and Romero , L. 1994 . Are chlorophylls good indicators of nitrogen and phosphorus levels? . J. Plant Nutr. , 17 : 979 – 990 .
   Web of Science ®Google Scholar
• McKinney , G. 1941 . Absorption of light by chlorophyll solutions . J. Biol. Chem. , 40 : 315 – 332 .
   Google Scholar
• Mengel , K. and Kirkby , E.A. 1987 . Principles of Plant Nutrition. , 4th ed. , Bern, , Switzerland : International Potash Institute .
   Google Scholar
• Moreno , D.A. , Pulgar , G. , Víllora , G. and Romero , L. 1996 . Effect of N and K on fruit production and leaf levels of Fe, Mn, Zn, Cu and B and their biochemical indicators in capsicum plants . Phyton Int. J. Exp. Bot. , 59 : 1 – 12 .
   Google Scholar
• Neilsen , D. , Hogue , E.J. , Neilsen , G.H. and Parchomchuk , P. 1995 . Using SPAD‐502 values to assess the nitrogen status of apple trees . HortScience , 30 : 508 – 512 .
   Web of Science ®Google Scholar
• Novozamsky , I. and van Eck , R. 1977 . Total S determination in plant material . Z. Anal. Chem. , 286 : 367 – 368 .
   Google Scholar
• Ramos , J.A. and Vázquez , D. 1975 . La Higuera , Publicaciones de Extensión Agraria. No. 20–75 Madrid, , Spain : H.D. .
   Google Scholar
• Robinson , J.B.D. 1980 . Soil and tissue analysis in predicting nutrient needs . Min. Nutr. Fruit Trees , 1 : 355 – 364 .
   Google Scholar
• Romero , L. 1986 . Index equilibrium and nutritional variations of iron in Prunus domestica L. during its annual cycle . J. Plant Nutr. , 9 : 873 – 886 .
   Web of Science ®Google Scholar
• Ulrich , A. 1948 . “ Plant analysis—Methods and interpretaion of results ” . In Diagnostic Techniques for Soils and Crops , Edited by: Kitchen , H.B. Washington, DC : American Potash Institute .
   Google Scholar
• Valenzuela , J.L. and Romero , L. 1996 . Yield and optimum nutrient range in Capsicum plants (Capsicum annuum L. cv. Lamuyo) . Phyton Int. J. Exp. Bot. , 58 : 63 – 75 .
   Web of Science ®Google Scholar
• Valenzuela , J.L. , Belakbir , A. , Lamrani , Z. and Romero , L. 1995 . Functional mathematical pattern for definite conditions and variables in diagnosing mineral and enzyme imbalances in plants . Phyton Int. J. Exp. Bot. , 57 : 21 – 30 .
   Google Scholar