Soil seed banks in croplands: potentialities of use and challenges on management
Abstract
The soil seed banks in croplands represent management difficulties dueto the presence of spontaneous species that compete with the crops. Literature generally refers to this diverse group of species as "weed." This group includcs sceds of species with ecological and cconomic value, desirable as green manure, forage, or other uses. Knowing the composition and the dynamics of these seed banks can contribute to improve the integrated weed management and natural reseeding. Management practices can contribute to reduce the weed soil seed banks, but at the same time it should p.reserve the sceds from plants that show some potential use. The objective of this work is to review some aspects of th is subject, providing indications of management on the search for sustainable agriculture.
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