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Tephrina pulinda subsp. deerraria on tan Wattle. (Travaux Originauz, Service de la Defense des Vegetaux, Direction de l'Agriculture et des Forets, Rabat No. 5)


, : Tephrina pulinda subsp. deerraria on tan Wattle. (Travaux Originauz, Service de la Defense des Vegetaux, Direction de l'Agriculture et des Forets, Rabat No. 5). La chenille arpenteuse de l'acacia a tanin, 55

A monograph on the taxonomy, bionomics, control etc., of the insect. Living chiefly on Acacia gummifera as an indigenous pest, it spread first to A. eburnea, extensively planted for hedges and windbreaks, and then to the plantations of A. decurrens var. mollissima covering nearly 4000 ha. in the Rharb district of N.E. Morocco, where defoliations have checked growth and caused bark scorch, necessitating in places an extension of rotation from the customary 10 years to 13 or 14.

US$29.90


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Swanton, A.R.; Young, T.L.; Peek-Asa, C., 2016: Characteristics of Fatal Agricultural Injuries by Production Type. Although agriculture is recognized as a hazardous industry, it is unclear how fatal agricultural injuries differ by production type. The purpose of this study was to characterize fatal occupational injuries in agriculture, comparing crop and anima...