20-10-20

General Purpose formulation with M-77® chelating technology

20

N

10

P2O5

20

K2O

Peters Professional 20-10-20 with acidifying action helps suppress the elevation of growing media pH levels. Crops sensitive to excess micronutrients thrive with this classic formula.

  • Base formulation—can be used alone or rotated with a customizing component

  • Effective for all water types

  • Contains NPK, magnesium and micronutrients

  • Developed for peat-based cultures (pot plants, bedding plants, and container nursery stock)

  • Exclusive M-77 chelating formula for fast, efficient nutrient uptake

 

Mix ratios (non-injector)

Fertilizer + Water (gallons) = Approx. N (ppm)
FertilizerWater (gallons)Approx. N (ppm)
1 tsp. (level)1305
1 tbsp. (level)2457
1 cup (level)25585

 

 

Product properties

Potential basicity404 lbs. calcium carbonate equivalent per ton
Conductivity (100 ppm N)0.62 mmhos/cm.
Maximum solubility3.5 lbs./gal.

 

 

Weight (oz.) of product needed to mix one gallon of concentrate

Target concentration (N/ppm) after dilutionEC (mmhos/cm.) of target feed rate after dilution
Injector ratios
1:151:1001:1281:2001:300
250.31.72.23.45.10.16
500.53.44.36.810.10.31
750.85.16.510.115.20.47
1001.06.88.613.520.30.62
1251.38.41.816.925.30.78
1501.510.113.020.330.40.93
1751.811.815.123.635.41.09
2002.013.517.327.040.51.24
2502.516.921.633.850.61.55
3003.020.325.940.5EMS1.86
3503.523.630.247.3EMS2.17
4004.127.034.654.0EMS2.48
4504.630.438.9EMSEMS2.79
5005.133.843.2EMSEMS3.10
6006.140.551.8EMSEMS3.72
EMS = exceeds maximum solubility

 

 

Gallons of water needed to dissolve one 25 lb. bag of fertilizer

Target concentration (N/ppm) after dilutionEC (mmhos/cm.) of target feed rate after dilution
Injector ratios
1:151:1001:1281:2001:300
251580.2237.0185.2118.579.00.16
50790.1118.592.659.339.50.31
75526.779.061.739.526.30.47
100395.159.346.329.619.80.62
125316.047.437.023.715.80.78
150263.439.530.919.813.20.93
175225.733.926.516.911.31.09
200197.529.623.114.89.91.24
250158.023.718.511.97.91.55
300131.719.815.49.9EMS1.86
350112.916.913.28.5EMS2.17
40098.814.811.67.4EMS2.48
45087.813.210.3EMSEMS2.79
50079.011.99.3EMSEMS3.10
60065.89.97.7EMSEMS3.72
EMS = exceeds maximum solubility

 

1
Consult rate tables printed on bag labels.
2
Verify product analysis, longevity, and rate for plants in your production system (for assistance, contact your regional ICL-SF Territory Manager or call the ICL Lab at 877-467-8522).
3
Irrigation frequency and volume should be adjusted during the crop production cycle according to crop type, environmental conditions and desired soluble salt levels.
4
A product trial is recommended before adopting a new fertilizer program or making full-scale changes to standard cultural practices (test several rates on representative plant types).
5
Store in a clean, cool, dry place.

Brand details

This product is part of the Peters Professional portfolio

The world’s leading water-soluble fertilizer with patented M-77 chelating technology.

Learn more about Peters Professional