Sentence:  One grower had a bed of hybrid black walnuts. The season was late and when the ground was ready for planting many had started to grow. He engaged some boys to <WSD>grabble</WSD> out the nuts from the sand beds, urging care, but many of the best were broken and injured. 
Meaning of the word marked with <WSD> tags:  To pull, lift or dig (something) ("out" of the ground) by searching with one's hands and fingers.<ref>B. W. Green, "Virginia Folk-Speech," Richmond, 1899, p.(nbsp)166: “Grabble, "v." To dig out of the ground with the hands.”[https://archive.org/details/wordbookofvirgin00gree]</ref>