TY  - BOOK
AU  - de Waard, P.W.F.
TI  - Communication: Foliar diagnosis, nutrition and yield stability of black pepper (Piper Nigrum L.) in Sarawak
T2  - Royal Tropical Institute Department of Agricultural Research, Communication; no.58
U1  - 631.814:633.841(911.14)  
PY  - 1965///
CY  - Amsterdam
PB  - Koninklijk Institute Veor De Tropen
KW  - P.W.F.de Waard
KW  - Pepper,Foliar diagnosis,Plant-nutrition,Black pepper,Leaf analysis
ER  -