My soil test results took just under two weeks to come back. I sent them the University of Massachusetts Soil Lab. Here's a previous post with more information.
I sent in three samples: 1-a new bed adjacent to my house, 2-my established home raised beds, and 3-my new community plot.
1-new bed adjacent to my house:
soil pH 6.4, buffer pH 6.6
nitrogen 13 ppm (add), phosphorus 22 ppm (sufficient), potassium 281 ppm (sufficient)
Micronutrient levels : all normal
Organic matter 16.6% (very high)
Lead: elevated
Recommendation: Adjust pH by adding 12 lbs lime per 100 sq ft. Add 1/4 lb nitrogen per 100 sq ft either as a complete fertilizer (e.g. 2-3 lbs 10-10-10 per 100 sq ft) or an alternate nitrogen source (e.g. 3-4 lbs dried blood 12-0-0 per 100 sq ft). For elevated lead, recommendations include grow only fruiting crops, grow ornamentals, remove a layer of soil and replenish with clean topsoil, use containers, create raised beds of at least 6 inches depth.
2-my established home raised beds:
soil pH 6.7, buffer pH 6.8
nitrogen 11 ppm (add), phosphorus 28 ppm (sufficient), potassium 116 ppm (sufficient)
Micronutrient levels : all normal
Organic matter 11.2% (very high)
Lead: low
Recommendation: Add 1/4 lb nitrogen per 100 sq ft either as a complete fertilizer (e.g. 2-3 lbs 10-10-10 per 100 sq ft) or an alternate nitrogen source (e.g. 3-4 lbs dried blood 12-0-0 per 100 sq ft).
3-my new community plot
soil pH 5.8, buffer pH 6.0
nitrogen 13 ppm (add), phosphorus 12 ppm (sufficient), potassium 157 ppm (sufficient)
Micronutrient levels : all normal
Organic matter 13% (very high)
Lead: low
Recommendation: Adjust pH by adding 20 lbs lime per 100 sq ft immediately, add an additional 13 lbs lime per 100 sq ft in small applications over successive tillings in the spring and fall. Add 1/4 lb nitrogen and 1/4 phosphorus per 100 sq ft either as a complete fertilizer (e.g. 3-4 lbs 5-10-5 per 100 sq ft) or alternate nitrogen and phosphorus sources.
topic: soil
Labels: soil test