Most of the soil tests we receive for vegetable gardens are high in phosphorus and potassium leaving nitrogen as the nutrient needed most. However, many of our organic fertilizers contain similar amounts of all three nutrients.
So, what organic fertilizer can we use that provides more nitrogen then phosphorus and potassium?
Feed stores will often sell these products. Colorado State University has an excellent publication on organic fertilizers. Following is a short list of such fertilizers. (Ward Upham)
So, what organic fertilizer can we use that provides more nitrogen then phosphorus and potassium?
Feed stores will often sell these products. Colorado State University has an excellent publication on organic fertilizers. Following is a short list of such fertilizers. (Ward Upham)
|
Product |
Analysis |
Pounds/100 sq. ft. |
Notes |
|
Blood Meal |
12-0-0 |
5 - 10 |
Can burn plants if overapplied |
|
Cottonseed Meal |
6-0.4-1.5 |
10 |
May have pesticide carryover unless labeled as pesticide-free |
|
Soybean Meal |
7-2-18 |
8 |
|
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