Organic Alfalfa Meal Fertilizer 2.5-0-2.5
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Greenway Biotech · Plant-derived nutrition
Organic Alfalfa Meal 2.5-0-2.5
Ground alfalfa for garden beds, roses, and soil preparation. It supplies organic nitrogen and soluble potash while adding organic matter to the soil. Use it as part of a nutrient plan based on what your plants and soil need.
2.5% nitrogenWater-insoluble nitrogen from alfalfa meal
2.5% soluble potashPotassium reported as K₂O
Ground plant mealFor soil application; not a soluble reservoir feed
How much alfalfa meal to apply
For general garden-bed preparation, use 2–5 lb per 100 sq ft. Start at the lower rate unless a soil test and your nutrient plan support more. The range comes from Colorado State University Extension, GardenNotes #234 (PDF), which describes it as generalized guidance, not a crop-specific rate.
| Measured area | Product amount | Approximate level US cups |
|---|---|---|
| 10 sq ft | 0.2–0.5 lb (91–227 g) | ½–1¼ cups |
| 100 sq ft | 2–5 lb | 5–12½ cups |
| 1 m² | 98–244 g | Use a scale |
Spread evenly and incorporate into the upper soil before planting. Around established plants, work shallowly without damaging roots and keep concentrated meal away from crowns. Water after application. Reassess nutrient need before reapplying; this is not an automatic 4–6-week feeding schedule.
Containers, lawns, and field crops need their own recommendation. Use the calculator to scale an adviser-supplied product rate. A garden-bed rate should not be carried over automatically to those uses.
Choose a bag for your garden area
Coverage is for one application. The calculator compares current bag prices; the table shows the coverage range without assuming every garden needs the same rate.
| Bag size | At 2 lb / 100 sq ft | At 5 lb / 100 sq ft |
|---|---|---|
| 1 lb | 50 sq ft | 20 sq ft |
| 2 lb | 100 sq ft | 40 sq ft |
| 3 lb | 150 sq ft | 60 sq ft |
| 4 lb | 200 sq ft | 80 sq ft |
| 15 lb | 750 sq ft | 300 sq ft |
| 40 lb | 2,000 sq ft | 800 sq ft |
One level US measuring cup weighs approximately 0.4 lb / 6.4 oz / 181 g. One pound is approximately 2½ cups. Measure by weight when possible.
Four steps for garden-bed application
- Measure
Measure the bed and weigh the amount for your selected rate.
- Spread
Distribute evenly. Avoid concentrated piles against plants.
- Incorporate
Mix into the upper soil. Work shallowly near established roots.
- Water
Water in and reassess nutrient need before another application.
Find the amount and bags you need
The garden-bed rate is 2–5 lb per 100 sq ft. To calculate pounds, multiply your area in square feet by your chosen rate and divide by 100.
What to expect from alfalfa meal
Gradual nitrogen availability
Microorganisms break down organic nitrogen into forms roots can use. Temperature, moisture, and soil conditions affect that process, so a fixed release period or guaranteed bloom response would be misleading.
Potassium availability does not follow the same process as organic nitrogen. The 2.5% potash guarantee is expressed as K₂O, not elemental potassium.
Organic matter and nutrient planning
Alfalfa meal contributes organic matter as well as nutrients. It is not a substitute for every part of a soil-management program. Additional phosphorus, magnesium, or other nutrients should address a demonstrated need.
Alfalfa naturally contains triacontanol, but isolated-compound research does not establish a predictable growth boost from a garden dose of meal. Read Maine Extension’s explanation.
Alfalfa meal questions
What is alfalfa meal fertilizer?
Alfalfa meal is dried, ground alfalfa used to supply nutrients and add organic matter to soil. Greenway Biotech Organic Alfalfa Meal has a 2.5-0-2.5 grade: 2.5% total nitrogen and 2.5% soluble potash, expressed as K₂O.
How much alfalfa meal should I use in a garden bed?
For a general incorporated garden-bed application, use 2–5 lb per 100 sq ft. Start at 2 lb unless your soil test and nutrient plan support more. Spread evenly, mix into the upper soil before planting, and water in. This general range is adapted from Colorado State University Extension; it is not a crop-specific prescription.
How much does one cup weigh?
One level US measuring cup weighs approximately 0.4 lb, or 6.4 oz (181 g), based on Greenway’s measurement. One pound is approximately 2.5 cups. Settling and how the cup is filled can change the weight; use a scale for greater accuracy.
How much garden area does a 15 lb bag cover?
For one application, a 15 lb bag covers approximately 750 sq ft at 2 lb per 100 sq ft, or 300 sq ft at 5 lb per 100 sq ft. Coverage depends on the selected rate.
Can I use alfalfa meal around roses?
It can be used in rose beds as a soil-applied nutrient source and organic amendment. Calculate the actual bed area rather than assuming one dose suits every bush. Around established plants, work shallowly without damaging roots, keep concentrated material away from crowns, and water in.
How quickly does it work, and when should I reapply?
Nitrogen becomes available as microorganisms break down the organic material. Temperature, moisture, soil conditions, and the material itself affect the timing. Do not expect a guaranteed response within a fixed number of weeks. Reassess crop nutrient needs and other fertilizer inputs before applying again; do not automatically repeat every 4–6 weeks.
Does 2.5-0-2.5 mean the product contains no phosphorus?
The zero means no available phosphate is guaranteed in this grade. It does not mean the plant material contains absolutely no phosphorus. Add a phosphorus fertilizer only when your soil test or nutrient plan shows a need.
Can I use it in containers, lawns, or field crops?
These uses need their own nutrient plan. The calculator can scale a product rate supplied by your grower or adviser, but it does not choose a universal dose for these uses. Do not transfer a garden-bed rate directly to a container mix or a lawn.
Is alfalfa meal water-soluble or suitable for a hydroponic reservoir?
This is a ground plant meal, not a fully soluble fertilizer. Mixing it with water does not create a complete nutrient solution with a known analysis. Use it as a soil amendment rather than adding the meal to hydroponic reservoirs or irrigation injectors.
What about triacontanol, alfalfa tea, and compost?
Alfalfa contains triacontanol, a compound studied in plant growth research, but that does not establish a predictable growth boost from this meal. Alfalfa meal can contribute nitrogen-rich material to compost. No universal compost-layer dose or homemade-tea recipe is specified here because composition and conditions vary.
Is it suitable for certified organic production?
Growers in certified organic production should confirm the exact Greenway product with their certifier before use. Contact Greenway for the available product documentation.
How should I handle and store it?
Avoid breathing dust and avoid contact with eyes, cuts, or sores. Wash after handling. Keep out of reach of children and pets; do not swallow. Reseal and store cool and dry. Contact Greenway for the current label, safety data sheet, or available product documentation.
Product documents and handling
Keep out of reach of children and pets. Do not swallow. Avoid breathing dust or contact with eyes, cuts, and sores. Wash after handling. Reseal the bag and store cool and dry.
Packaged by Greenway Biotech, Inc. · 17861 Road 24, Madera, CA 93638
