Fertilisers including liquid fertilisers, controlled release fertilisers, slow release fertilisers, granulated fertilisers and phosphate free fertilisers; fertilising preparations; manures; soil-conditioning chemicals and agents; soil improvement chemicals and agents; trace elements for plants; potting soil; potting mixes; compost; plant growth-regulating preparations; humus top dressing; wetting agent; mulch and fertilizer mixes; chemical products for use as plant growth regulating preparations; plant foods; soil treatment compositions and formulations