INDEX 



Page 



Source of material 3 



I What roughage should be grown ? 3 



Silage 3 



Hay 10 



Annual hay crops 13 



Conclusion 15 



Suggested rotation system 15 



II Silage production — management and costs 20 



Labor requirements on silage 20 



Manuring 21 



Fertilizing methods 21 



'^fe 



Plowing and fitting 22 



Varieties 22 



Cultivation 23 



Harvesting 23 



Size of crew and labor requirements 26 



Type and size of silo 27 



Power costs for harvesting and filling 27 



Hours per acre and per ton of silage 28 



III Hay production — management and costs 29 



Labor requirements on hay 29 



Fertilizing 30 



Acres seeded 30 



Harvesting 30 



Sunnnarv 34 



