( 2217 THOROLD , C. A. Observations on a trial of trees as shade for cacao . Tropical Agriculture ( Trinidad ) 22 ( 11 ) : 203-206 . 1945 . ( 2218 TOPPER , B. F. The use of shade trees in Mexico and Guatemala .

TOPPER , B. F. - The use of shade trees Mexico and Guatemala ( English ) in on Shade conditions are described on the Pacific side of Mexico and Guatemala and the Caribbean side of Mexico . Heavy yields are being obtained under low shade ...

THOROLD , C. A. Observations on a trial of trees as shade for cacao . Tropical Agriculture ( Trinidad ) 22 ( 11 ) : 203-206 . 1945 . 11. TOPPER , B. F. Use of shade trees in Mexico and Guatemala . In Confe- rencia Interamericana de ...

TOPPER , B. F. Use of shade trees in Mexico and Guatemala . Seventh InterAmerican Cacao Conference , Palmira , Colombia . July 1958 . 12. URQUHART , D. H. Some notes on cocoa and its future prospects in the Far East .

J. León This species was discovered early in 1949 by Guadalupe Escamilla , a Mexican student , then enrolled at the Institute ... while in the region of Tapachula , many trees were planted or left as shade trees for commercial cacao .

( 2217 Observations on a trial of trees as shade for cacao . Tropical Agriculture ( Trinidad ) 22 ( 11 ) : 203-206 . 1945 . THOROLD , C. A. ( 2218 TOPPER , B. F. The use of shade trees in Mexico and Guatemala .

... Guatemala , Mexico , Nicaragua , Panama , El Salvador and Venezuela . Data were supplied on areas used for coffee cultivation , yields , cultural practices , the use of shade trees and the control of pests and diseases . ( ATA v .

There are still plantations in Mexico and parts of Guatemala and Belize that are regularly tapped to collect the milky sap ... where it is often grown in home gardens or used as a shade tree in coffee plantations : the shedding of the ...

Southern México , British Honduras ; Ruatán Islands , Honduras ; southern Florida ; West Indies ; northern South America and Guatemala . It is a large shrub or tree , sometimes 15 m high , the branchlets strigillose at first ; leaflets ...

profiles were identified and drawn up ; d ) 50 researchers and extension workers were trained in the use of project ... shade - tree species , chemical weed control , and grafting for the propagation of " elite " trees ; 1 ) a number of ...