Wait until the first trifoliate to roll your soybeans, says MAFRI’s Dennis Lange. Rolling at this stage will ensure the field is past the hook stage where most of the damage to the plants will occur. If you roll when the plants are just at the unifoliate stage there is a greater chance of some soybeans being at the hook stage. The centre plant in this photo is in the first trifoliate stage, with three leaflets in the middle, two first true leaves lower on the stem and the cotyledons below that.  
photos: Dennis Lange, MAFRI

Trifoliate stage best for rolling soybeans after emergence

Don’t roll soybeans until they reach the first trifoliate stage, advises Dennis Lange, or you risk breaking too many young plants. “You don’t want any beans at the hook stage,” said the Altona-based farm production adviser with Manitoba Agriculture Food and Rural Initiatives. “Only roll if you have some stones or dirt that will cause

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