Maximizing the efficiency of mineral fertilizers / prepared by H. Braun and R.N. Roy.
1982
Notice détaillée
Symbole[E/ECE/]AGRI/SEM.18/R.15(Summary)
TitreMaximizing the efficiency of mineral fertilizers / prepared by H. Braun and R.N. Roy.
DateGeneva : UN, 9 Dec. 1982.
Description
2 p.