Progress and development of rubber smallholders. Proceedings of the fourth seminar held in Colombo, Sri Lanka, 17-22 July, 1980
text
xx
Kuala Lumpur
ANRPC
1982
9999
monographic
und
Crumb rubber
Extension
Intercropping
Latex
Replanting
Tapping
Technology transfer
Training
NR:332.2:063SH1980 ANR;1
220204