Plant growth nutrients, namely, reacted plant nutrients with key nutrients for improved plant growth; Fertilizers and fertilizer products, namely, nutrient fertilizers and harvest aids being fertilizers; Plant growth preparations; plant growth preparations for agricultural use; Plant growth preparations for turf use; Agricultural chemicals except fungicides, herbicides, insecticides and parasiticides; Turf care chemicals, namely, buffering agents, anti-foaming agents, defoamers, humectants, sequestering agents, desiccants, spread-stickers in the nature adjuvants for use with agricultural chemicals and plant growth regulators; Agricultural chemicals, namely, buffering agents, anti-foaming agents, defoamers, humectants, sequestering agents, desiccants, spread-stickers in the nature of adjuvants for use with agricultural chemicals and plant growth regulators; all of the foregoing containing calcium as an active ingredient