The aim of this research was to study the influence of chlorsulfuron residue and cadmium on the enzymatic activity andphotosynthetic apparatus of maize (Zea mays
Distribution system will affect the labor incentive that has been heatedly discussed by recent literatures.Using a unique micro dataset, this paper dem on strat
Fusarium wilt, caused by Fusarium oxyporum f. sp. cubense(Foc), is the most serious disease affecting banana production.To clarify the distribution of the Foc r