Abstract: A system comprising a client device and a server network, the client device configured to receive a query; transmit the query; receive a populated response; and display the populated response. The server network may be configured to receive the query; tokenize the query; generate an intent-match likelihood for each of a plurality of supported question intents; classify the query based on the intent-match likelihoods; evaluate each of the intent-match likelihoods to a confidence threshold; extract, via a Named Entity Recognition model, one or more entities from the query; determine one or more entity values for each of the one or more entities; query the at least one database to incorporate intent to the one or more entities and the one or more entity values; populate a response template with the one or more entity values and one or more specifics; and store the query and the populated response.

Abstract: A method of promoting growth in a photosynthetic organism comprising treating the photosynthetic organism with a metal complex or a precursor thereof, wherein the metal complex comprises a metal selected from the group consisting of zinc (Zn), cobalt (Co), copper (Cu), nickel (Ni) and iron (Fe), and a ligand, which is a bidentate or tridentate ligand. Metal complexes and their ligands are also described.