Economic analysis of the activities and results of agrochemical enterprises in Slovakia, Czechoslovakia

aeronaves agricultural chemicals agricultural lime aircraft avion chaux agricole checoslovaquia contracts contrat contratos cooperative services costos costs czechoslovakia disinfection empresas enterprises entreprise fertilization ganancias labour productivity losses obreros ouvrier perte productividad del trabajo produit agrochimique profit profitability remuneration rentabilidad salarios servicios cooperativos workers