Quantities of Plant Nutrients in Crops

Quantities of Plant Nutrients in Crops
(Pounds of Plant Nutrient per Unit Indicated)

		N	P₂O₅	K₂O
Crop	Yield Unit	(Nitrogen)	(Phosphate)	(Potash)	Calcium	Magnesium	Sulfur	Copper	Manganese	Zinc
Corn (Grain)	per bu	0.9	0.35	0.3	0.01	0.05	0.07	0.0004	0.0006	0.001
	200 bu	180	70	60	2	10	14	0.08	0.12	0.2

Soybeans (Grain)	per bu	3.7	0.77	1.4	0.18	0.18	0.31	0.001	0.0013	0.001
	60 bu	222	46.2	84	10.8	10.8	18.6	9.96	9.978	0.06

Wheat (Grain)	per bu	1.2	0.56	0.3	0.025	0.15	0.075	0.0008	0.0023	0.0035
	60 bu	72	33.6	18	1.5	9	4.5	0.048	0.138	0.21

Cotton (Lint and Seed)	per bale	17	10	6.7	0.67	1.33	0.67	0.02	0.037	0.107
	2 bale	34	20	13.4	1.34	2.66	1.34	0.04	0.074	0.214

Sorghum (Grain)	per bu	0.9	0.27	0.2	0.067	0.083	0.083	0.000167	0.0007	0.00067
	100 bu	90	27	20	6.7	8.3	8.3	0.0167	0.07	0.067

Sunflowers (Grain)	per cwt	3.6	1.14	1.1	*	*	*	*	*	*
	20 cwt	72	22.8	22	*	*	*	*	*	*

Alfalfa (Total)	per ton	55	12	50	28	5.25	4.74	0.015	0.11	0.105
	6 ton	330	72	300	168	31.5	28.5	0.09	0.66	0.63

Grass (Total)	per ton	30	10	42	8	3.5	2.5	0.01	0.15	0.04
	4 ton	120	40	168	32	14	10	0.04	0.6	0.16

Sugar Beets (Total)	per ton	9	4.6	18	2.2	1.6	0.67	0.002	0.05	*
	25 ton	225	115	450	55	40	16.75	0.05	1.25	*

Oats (Grain)	per bu	0.9	0.25	0.2	0.025	0.0375	0.06	0.0004	0.0015	0.0006
	80 bu	72	20	16	2	3	4.8	0.032	0.12	0.048

Potatoes (Tuber)	per cwt	0.4	0.15	0.75	0.015	0.03	0.03	0.0002	0.0005	0.00025
	100 cwt	40	15	75	1.5	3	3	0.02	0.05	0.025

Peanuts (Nuts)	per cwt	3.7	0.46	0.68	0.6	0.57	0.53	*	*	*
	35 cwt	129.5	16.1	23.8	21	19.95	18.55	*	*	*
*No data for this nutrient