Foliar diagnosis nutrition yield stability of black pepper (Piper Nigrum L.) Sarawak
De Waard, P.W.F.
Foliar diagnosis nutrition yield stability of black pepper (Piper Nigrum L.) Sarawak
by P.W.F. De Waard
- Amsterdam : Department of Agriucltural Research , 1969
- xi, 149 p. tables
- Communication .