Untersuchungen zum Auftreten von Getreideblattlusen und ihren Prdatoren in einem Winterweizenbestand in Mansoura (A. R. gypten)Previous clarification of the relationships between insect populations and damage by cereal pests has enabled the effect of combined pest infestation on the yield of winter...
Theo van Eeten resigns as director of NAAAAnnounces the resignation of Theo van Eeten as executive director of the National Auto Agents (NAAA) in Austin, Texas. Reference to a letter of resignation sent...