With all the experience in farming and that in runs in the blood in Punjabis, plus Punjabis are generally fairly literate (compared to some in other countries in Africa, Asia and S America), they should be doing better in farming. There's even Punjab Agricultural University
All things said and done, given the apparent gender disparity in Panjab, men will have to marry out. Otherwise go back to buying girls or sharing wives between brothers. That's some rank anti-Sikhi gundh!