Linked from
The 14 pages that link to Leaching, each with the reason it gives.
Soil fertilityRelated: It can remove soluble nutrients from the root zone and reduce fertility.
Soil contaminationRelated: Leaching can carry contaminants from soil into groundwater.
Pesticide residueRelated: Leaching carries some pesticide residues toward groundwater.
Supergene enrichmentRelated: Weathering water dissolves metals from the upper part of a deposit.
Bisphenol ARelated: BPA can migrate from some plastics and resins into food or drink.