| abstract |
The present invention relates to mulch or potting soil compositions that can enhance plant growth, water use efficiency of the plant, plant appearance, or the population of beneficial microorganisms or the content of metabolites produced by the beneficial microorganism in the mulch or soil around the plant. The compositions comprise mulch or potting soil and at least one microorganism, or a cell-free extract thereof or at least one metabolite thereof, and/or a mutant of the at least one microorganism having all the identifying characteristics of the respective microorganism or extract of the mutant. |