SECOND PART. 



ABSTRACTS 



AGRICULTURAIv INTELIylGENCE 



GENERAL INFORMATION. 



DEVELOPMENT 



OF 



AGRICULTURE 



IN DIFFERENT 



COUNTRIES 



956 - The Agricultural Products of Portuguese Guinea. — Machado da Fonseca joa- 



OUIM., in Rcvista Af^ronomica, Xlth j'car (2nd Series), Vol. 2, Nos. 13-16, pp. 43-81, 



I diagram + i map. lyisbon, 191 3. 



Report on a voyage of agricultural exploration carried out with a view 

 to organisation of the colonial agricultural services in the province of Por- 

 tuguese Guinea, by the order of the Portuguese Government, together with 

 replies to a detailed list of questions prepared by the Government of the Co- 

 lony and the General Direction of Colonies. 



Soiiv. — The cultivable soils of this province are generally clayej^-humous- 

 limestone. The}' are sometimes, but rarel}-, richer in cla}^; others of them 

 again (those of Cachen) are rather sandy. Being generally very fertile, 

 they need no manuring, and are admirably adapted for the intensive cul- 

 tivation of all tropical plants. From 10 analyses of soils made at the super- 

 ior Agronomic Institute at Lisbon the following data representing extremes 

 are obtained : 



Compusilion ol Soils in Poiiiigiiesc Guinea. 



%0 



Fine earth . . 

 Moisture ... 

 Organic matter 



958-1000 



12- 48 

 32- 146 



Nitrogen . . . 

 Phosphoric acid 

 Potash 



/oo 



0.98-2.5 



1.47-3-9 

 0.5-1.72 



The predominating cultivations are the following : 



Cereals. — Rice and maize form the bases of native foods. Mountain 

 rice is cultivated on the following method : after the first rains all 

 the weeds are pulled up and burnt, the ashes spread over the land, the latter 



