THE ENVIRONMENTAL IMPACTS OF FERTILIZER FACTORIES WASTE ON SOME VEGETABLE CROPS

Abstract

A field survey study was conducted to evaluate effect of fertilizers factory wastes on some vegetables, soil and water and their contents from some heavy metals (Arsenic, Cadmium, Cobalt and Lead), nitrate and nitrite. The present study was carried out during the two successive winter seasons of 2016/2017 and 2017/2018 near the Factory for Nitrogen Fertilizers and Chemical Industries near Mansoura city, Dakahlia Governorate. The experimental design was complete randomized design (CRD) with three replications. The samples of three vegetable crops; i.e.; potato, sweet pepper and watercress were taken from both sides of the main drainage channel of wastes at three distances at (1, 3 and 5 km) from source of the pollution (Factory for Nitrogen Fertilizers and Chemical Industries near Mansoura city, Dakahlia Governorate) besides control treatment (the opposite direction of the pollution source). RECORDED DATA: 1- Vegetative growth characters: Plant samples consists of five guarded plants of potato, sweet pepper and watercress were taken randomly from each distance to determine the following vegetative growth characters: 1- Fresh weight. 2- Plant height. 3- Leaves area. 2- Yield: Average yield of total potato tubers, sweet pepper fruits and watercress edible parts were calculated by taken sample (12 m2) from each replicate at every distance at harvest to determine the yield as ton /fed during the two seasons. 3- Chemical constituents: -