TY  - BOOK
AU  - Weifu L
TI  - Concept of crop secondary yield  and its application in research and production of Hevea tree
PB  - IRC 2012. International Rubber Conference, 28-31 October 2012, Kovalam, India, Rubber Research Institute of India, Kottayam and IRRDB, Malaysia: Abstracts. pp.120.
KW  - Crop secondary yield
ER  -