Chemicals used in industry and science; chemicals used in agriculture, horticulture and forestry; chemical additives; humic acid; chemical coatings for application to fertilizers; compost, manures, fertilizers, fertilizing preparations; preparations for increasing the productivity of soil; soil additives (fertilising); soil conditioning chemicals; conditioners for the soil; natural and artificial manures; acids; nitrogen-based chemicals; ammonium nitrate; biological preparations for use in industry and science; chemicals for controlling plant growth