CONTENTS. 



SEPTEMBER, 1922. 



NOTKS 



The Locust Invasion of 1921-22 — The Life-history and Extermination of 

 the Jackal — Tree-planting and Soil Fertility — The Packing of South African 

 Fruit — Protection against Hail : The Parahail — An Investigation into the 

 Egg Export Trade— An Oversea Market for Beans— A Sire of Good Milk 

 Strain for the Dairy Herd— The Control of Codling-moth— Pise-de-Terre : 

 The Cheap Construction of Farm Buildings— Nagana and the Tartar Emetic 

 Solution — The Diseases of Stock Act — The Export Trade in Oranges— Trees 

 on Earthen Dam Walls (page 217) — Outbreaks of Animal Diseases : July, 

 1922 (page 244)— Roots Getting into Pipes (page 253)— Centrifugal Pumps 

 (page 275)^Plant Nurseries in Quarantine as at 1st August, 1922 (page 287) 

 Citrus Canker Eradication (page 287). 



Departmental Activities 



Locusts: Season 1921-22 



Export of Grapes 



Life-history of the Jackaj. 



CoDiiiNG-MOTH Control in Fruit Sheds 

 Nagana and the Tartar Empitic Treatment 

 Apparent Infertility op the Soil around Tree? 

 Principal Agricultural Acts of the Union— I 



Pis6-de-Terre 



Inquiries and Replies 



The Poultry Yard Month by Month 

 Notes prom the "Gazette" 



Page 

 193 



20;; 

 218 

 2ol 

 234 

 245 

 249 

 254 

 259 

 2<>8 

 27t; 

 28 « 

 288 



