Overview: .Plant Nutrition - From Genetic Engineering to FieldPractice., the 12th International Colloquium on Plant Nutrition, isthe latest in a series which began in 1954. Early meetings were mainlyconcerned with the practical problems of soil fertility, with soilassessment, fertilizer requirements and methods of analysis. As thecolloquia have progressed, the emphasis has slowly changed. Thepractical problems are still important, but there is increasingemphasis on plant physiology, plant biochemistry, membranebiochemistry, and even on the chemistry of genes which control theproteins which tra
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