29-0-4 Fertilizer
Lawn fertilizer (N + K)29-0-4 is 29% nitrogen, 0% phosphate and 4% potash by weight. To apply 1 lb of nitrogen per 1,000 sq ft, spread 3.45 lbs of product per 1,000 sq ft; a 50-lb bag covers about 14,500 sq ft at that rate.
What 29-0-4 Means
Nitrogen (N)
29%
14.5 lb per bag
Green color and growth
Phosphate (P₂O₅)
0%
0 lb per bag
Root growth, new seedlings
Potash (K₂O)
4%
2 lb per bag
Stress, drought and cold tolerance
Pounds shown are per 50-lb bag. The N:P:K ratio simplifies to 29:0:4. The remainder of the bag is carrier, filler, and secondary nutrients.
How Much 29-0-4 to Apply
Lawn feeding is measured in pounds of nutrient per 1,000 sq ft. Here's how much product hits each common target.
| Target | Product / 1,000 sq ft | Per acre | 50-lb bag covers | Delivers (N-P-K lb) |
|---|---|---|---|---|
| 0.25 lb N | 0.86 lb | 37.6 lb | 58,000 sq ft | 0.25-0-0.03 |
| 0.5 lb N | 1.72 lb | 75.1 lb | 29,000 sq ft | 0.5-0-0.07 |
| 0.75 lb N | 2.59 lb | 113 lb | 19,333 sq ft | 0.75-0-0.1 |
| 1 lb N | 3.45 lb | 150 lb | 14,500 sq ft | 1-0-0.14 |
What It's For
A store-brand-style lawn food analysis, close to 32-0-4. Nitrogen-heavy, phosphorus-free, made for maintenance feedings.
When to Use It
Spring and fall feedings on established lawns.
Before You Spread It
- Many versions include iron for color. Keep iron products off concrete, where they stain.
- Check the slow-release share before summer use.
29-0-4 Products in Our Catalog
29-0-4 Calculator
Enter your lawn size to get the total amount, or change the analysis to check a different bag.
Spread 3.45 lb per 1,000 sq ft, 17.24 lb for 5,000 sq ft (0.34 bags).
Delivers 1 lb N, 0 lb P₂O₅ and 0.14 lb K₂O per 1,000 sq ft. Never exceed the label rate.
Common Questions
How much 29-0-4 per 1,000 sq ft?
To deliver 1 lb of nitrogen per 1,000 sq ft, apply 3.45 lbs of 29-0-4 per 1,000 sq ft, or about 150 lbs per acre. Many applications use half that or less, and the product label rate always comes first.
What is 29-0-4 fertilizer used for?
A store-brand-style lawn food analysis, close to 32-0-4. Nitrogen-heavy, phosphorus-free, made for maintenance feedings.
When should I apply 29-0-4?
Spring and fall feedings on established lawns.
What do the numbers 29-0-4 mean?
They're the percentages by weight of nitrogen (N), phosphate (P₂O₅) and potash (K₂O). A 50-lb bag of 29-0-4 contains 14.5 lbs of nitrogen, 0 lbs of phosphate and 2 lbs of potash; the rest is carrier and other ingredients.
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