ASSESSMENT OF SOME HEAVY METAL CONCENTRATIONS IN SOILS, BORRERIA VERTICILLATA (L.) AND HYPTIS SUAVEOLENS (L.) FOUND ALONG ZARIA-GIWA ROAD, KADUNA STATE, NIGERIA  

2018-03-26
Studies on lead, cadmium, copper and zinc content in soils, Borreria verticillata (L.) and Hyptis suaveolens (L.) plants were carried out along Zaria-Giwa road, Kaduna state, Nigeria. The soils and ...