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Calcium Ammonium Nitrate (CAN 17) is a versatile fertilizer that contains 8.8% calcium and 17% nitrogen. The nitrogen is one-third ammonic form and two-thirds nitrate form. CAN 17's largest market currently is among California and Arizona vegetable growers, although that is changing as growers in the Pacific Northwest discover the advantages of offering both an available and a reserve form of nitrogen in addition to soluble calcium.
Calcium is a required nutrient for normal plant growth and development, and is especially critical to proper cell membrane development.
CAN 17 is being used in Pacific Northwest tree crops, potatoes, onions, sweet corn, and other cool-season vegetables.
The nitrate form of nitrogen is available immediately to plants, which makes it an excellent early-season fertilizer.
The nitrate in CAN 17 is available immediately to crops as they grow in cool soils, while the ammonic form is held in reserve until soil temperatures rise and a plant's nitrogen requirements are greater.
The calcium in CAN 17 is water soluble and readily available to plants, giving a crop the best chance at proper early-season cell wall development as well as avoiding late-season internal disorders such as blossom end rot of tomatoes, bitter pit of apples, and internal brown spot of potatoes.
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