Foliar diagnosis, nutrition and yield stability of black pepper (Piper nigrum L.
de Waard, P.W.F.
Foliar diagnosis, nutrition and yield stability of black pepper (Piper nigrum L. - Amsterdam 1969 - 149 p. - No. 58; Nederland Royal Tropic .
Foliar diagnosis, nutrition and yield stability of black pepper (Piper nigrum L. - Amsterdam 1969 - 149 p. - No. 58; Nederland Royal Tropic .