| investigation of the effects of phosphate fertilizer application on the heavy metal content in agricultural soils with different cultivation patterns. | the use of phosphate fertilizers is essential in agriculture, because they supply farmland with nutrients for growing plants. however, heavy metals might be included as impurities in natural materials and minerals, so heavy metals can also be present in phosphate fertilizers or other chemical fertilizers. the aim of this work was to assess the heavy metal content and contamination status of agricultural soils in the hamadan province of iran used for the cultivation of different crops, including ... | 2012 | 21826610 |