30 



12. Magnitude of business: XXXV. 



13. Productive work units per man: XLIII, LX. 



14. Crop area per farm: XLIV. 



15. Animal units per 100 acres of crops: XVI, LIV, LXXII. 



16. Percentage of intertilled crops: LV. 



17. Crop index: LVII, LIX. 



18. Income per cow: LVIII. 



19. Diversity index: LXIII. 



20. Percentage of receipts from crops: LXIV. 



21. Rotations followed: LXV. 



Tabulations designed to bring out the significant relations in farm 

 management survey data. 



