Report on a soil survey of zone N°1 (Gharbîya), 1921 / Obervations on the Coccidae of Egypt / On the dispersion of the pink boll worm in Egypt / The basos of egytpian agriculture and its relation to the decline in the average yield per Feddan of Cotton / The outbreak of pzeudococcus sachari, Ckll., on the sugar cane of Egypt / A new type of light trap for insects / A short bio-climatic study in the egyptian desert / A banana disease caused by a species of heterodera.

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Fiche détaillée de "Report on a soil survey of zone N°1 (Gharbîya), 1921 / Obervations on the Coccidae of Egypt / On the dispersion of the pink boll worm in Egypt / The basos of egytpian agriculture and its relation to the decline in the average yield per Feddan of Cotton / The outbreak of pzeudococcus sachari, Ckll., on the sugar cane of Egypt / A new type of light trap for insects / A short bio-climatic study in the egyptian desert / A banana disease caused by a species of heterodera."

 
 
 
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