Crop calendar pages cover phosphorus needs by crop.
Soil Health & Amendments
What does low phosphorus mean for my crops?
Low phosphorus (P) limits root development, flowering, and fruit set. Symptoms include purple-tinged leaves on young plants, stunted growth, and reduced yield. Apply triple superphosphate, MAP, or compost at soil-test-recommended rates. Phosphorus moves slowly in soil, so band applications near the seed at planting are more effective than broadcasts.
More from Soil Health & Amendments
- How do I read a soil test report?
- What pH should my soil be for vegetables?
- What pH should my soil be for pasture grass?
- How do I raise soil pH?
- How do I lower soil pH?
- What is cation exchange capacity and why does it matter?
- What is organic matter and how do I increase it?
- How often should I test my soil?
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