buckwheat fagopyrum esculentum cover crop field bloom plant detail lacy white common green farmed crops grown green red

buckwheat fagopyrum esculentum cover crop field bloom plant detail lacy white common green farmed crops grown red agricultural fertilizer honeybee fodder catch europe suppress weeds improve soil quality plants herbicidesensitive flowers agriculture organic farming bio medicinal flower czech european purple bee closeup ecology blossom ecological herbicide sensitive bumblebee nature