Chemical, biological or natural products, namely, yeast-based preparations, used alone or in a composition, for use in agriculture, horticulture, forestry, gardening or for the protection of plants or vegetable products, except fungicides, herbicides, insecticides and parasiticides; plant bio-stimulants in the nature of plant growth nutrients, plant deficiency correctors in the nature of plant nutrients and manures; fertilizing preparations for plants; residue in a still after distillation fo...