Compositions for enhancing plant nutrient uptake and method of their use

摘要

Compositions and methods for enhancing nutrient uptake in plants are disclosed. The primary ingredients of the disclosed compositions are (a) poly amino acids, such as tri-polyaspartic acid (TPA), and (b) citric acid. Another component, (c) L amino acids may also be included in the composition. The composition may be used to enhance fertilizer efficiency and to promote plant growth and/or yield.