Iowa Code
Chapter 210 - STANDARD WEIGHTS AND MEASURES
Section 210.10 - Bushel measure.

210.10 Bushel measure.
When any of the commodities enumerated in this section shall be sold by the bushel or fractional part thereof, except when sold in a United States standard container or as provided in sections 210.11 and 210.12, the measure shall be determined by avoirdupois weight and shall be computed as follows:
Commodities Pounds
Apples 48
Apples, dried 24
Alfalfa seed 60
Barley 48
Beans, green, unshelled 56
Beans, dried 60
Beans, lima 56
Beets 56
Blue grass seed 14
Bran 20
Bromus inermis 14
Broom corn seed 50
Buckwheat 48
Carrots 50
Castor beans, shelled 50
Charcoal 20
Cherries 40
Clover seed 60
Coal 80
Coke 40
Corn on the cob (field) 70
Corn in the ear, unhusked (field) 75
Corn, shelled (field) 56
Corn meal 48
Cucumbers 48
Emmer 40
Flaxseed 56
Grapefruit 48
Grapes, with stems 40
Hempseed 44
Hickory nuts, hulled 50
Hungarian grass seed 50
Kaffir corn 56
Lemons 48
Lime 80
Millet seed 50
Oats 32
Onions 52
Onion top sets 28
Onion bottom sets 32
Oranges 48
Orchard grass seed 14
Osage orange seed 32
Parsnips 45
Peaches 48
Peaches, dried 33
Peanuts 22
Pears 45
Peas, green, unshelled 50
Peas, dried 60
Plums 48
Popcorn, on the cob 70
Popcorn, shelled 56
Potatoes 60
Quinces 48
Rape seed 50
Redtop seed 14
Rutabagas 60
Rye 56
Salt 80
Sand 130
Shorts 20
Sorghum saccharatum seed 50
Soybeans 60
Spelt 40
Sweet corn 50
Sweet potatoes 50
Timothy seed 45
Tomatoes 50
Turnips 55
Walnuts, hulled 50
Wheat 60
All root crops not specified above 50
[C51, §940; R60, §1778, 1781 – 1784; C73, §2049; C97, §3016; S13, §3009-h; C24, 27, 31, 35, 39, §3236; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §210.10]
Referred to in §210.8, 717A.1