TECHNICAL EDUCATION IN TROPICAL AGRICULTURE 55 



CLASS II. JULY COURSE. 

 Theoretical Work. 



Resume of the work done in Class I. 



Cropping (general) : Soils and climatic conditions most 

 suitable for the various economic crops; thus, cocoa, 

 deep, rich soil with sufficient rainfall; cotton, a light 

 loamy soil and a long dry season; sisal hemp, poor soil, 

 and a light rainfall. 



Scientific Rotation of Crops: Beneficial results of; 

 soil not exhausted to the same extent; deep-rooted and 

 shallow-rooted plants use a greater area of soil; soil does 

 not get plant sick; importance of leguminous plants in a 

 rotation. 



Cultivation of the more important crops, such as 

 rubber, both Para and Funtumia; cocoa, different 

 varieties; maize; ground nuts; cotton; sisal; Mauritius 

 hemp; yams; cassava; method of preparing their products 

 and estimated yields per acre and values per cwt. or ton. 



Catch Crops : Meaning and examples of. 



Green Manuring : Plants most suitable for. 



Useful ''bush" plants producing articles for export; 

 oil palm; raphia palm; kola, etc. 



Insect Pests : Life-history, general ; stages of develop- 

 ment; nature of destruction by; stage of development in 

 which most destructive; simple methods of control; pre- 

 cautions against; instances of known attack. 



Fungoid Diseases: Brief description; necessity for 

 taking active steps to fight against; precautions to 

 use to prevent them spreading determined by nature of 

 attack, e.g., root disease, isolation; stem and branch 

 disease, cutting off and burning; cocoa pod disease, 

 burning; and other general measures to adopt. Fire the 

 most effective and generally cheapest in the end ; spraying 

 with fungicide more of the nature of a prevention than 

 a cure. 



The value of school gardens properly managed. 



Practical Work. 



Resume of work in previous class, together with : 

 Digging and preparation of land. 



