The Ministry estimated that fertilisers used in agriculturereached 2.5 to 3 million tonnes a year, 50 to 70 percent of which wasdischarged into the environment.
Meanwhile, 335 spots withpesticide residues in soils had been identified nationwide but they hadnot been cleaned up effectively.
Cultivation land was beingdegraded due to landslides, erosion, desertification and salination. Upto 9.3 million hectares of land, accounting for 28 percent of naturalland, are threatened by desertification.
In the northernmountainous provinces and the Central Highland, the total land subjectto erosion could equal 150 tonnes per hectare.-VNA