Summary The general principles of leaf analysis as a diagnostic method and as a guide to plant nutritional status are outlined and discussed. Factors, other than nutrient supply, that affect leaf composition are mentioned and methods of leaf sampling, preparation and storage are described. The practical application of leaf analysis to fruit, flower, vegetable, tree and miscellaneous economic crops is reviewed and suggestions are made for its use as an advisory aid.
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C. Bould (1968) studied this question.
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