ag_p1 – Geoflow

TABLE 4–11 NUTRIENT UPTAKE FOR SELECTED CROPS
LB/ACRE – YEAR
Forage Crops:

	Nitrogen^b	Phosphorous	Potassium
Alfalfa_a	201–482	20–31	156–200
Brome Grass	116–201	36–49	219
Coastal Bermuda Grass	357–602	31–40	20
Kentucky Blue Grass	178–241	40	178
Quack Grass	210–250	27–40	245
Reed Canary Grass	299–401	36–40	281
Ryegrass	178–250	54–76	241–290
Sweet Clover	156	18	89
Tall Fescue	133–290	27	268
Orchard Grass	233–312	18–45	201–281

Field Crops:

Barley	112	13	18
Corn	156–178	18–27	98
Cotton	67–98	13	36
Grain Sorghum	120	13	62
Potatoes	205	18	219–290
Soybeans_a	223	9–18	27–49
Wheat	143	13	18–40

a. Legumes will also take nitrogen from the atmosphere.
Site specific yields based upon potential crop yields may require additional nitrogen applications.
Pounds of nitrogen per crop ton or pound per crop bushel may require specific loadings to vary (increase).

Source: United States EPA 1981 Process Design Manual, Land Treatment of Municipal Wastewater.

TABLE 4–11 NUTRIENT UPTAKE FOR SELECTED CROPSLB/ACRE – YEARForage Crops:

Field Crops:

TABLE 4–11 NUTRIENT UPTAKE FOR SELECTED CROPS
LB/ACRE – YEAR
Forage Crops: