CONTENTS. 



Page. 



Purpose of the bulletin 7 



The sand-hill region 8 



Location and area 8 



Origin and structure 9 



Climate 11 



Precipitation 11 



Temperature 13 



Humidity 13 



Wind 14 



The important climatic features 14 



Vegetation 15 



Grasses 15 



Herbaceous plants 15 



Shrubs 15 



Trees 16 



Industries 17 



Need for forests in the sand-hill region 19 



Beginnings of forest planting in the sand-hill region 20 



National Forests established 22 



Nurseries established 22 



The sand-hill nurseries 23 



Garden City Nursery 23 



Halsey Nursery 25 



Location 25 



Soil and moisture 25 



Nursery operations : 27 



Fertilizing 27 



Seed sowing 29 



Care of seed beds 31 



Transplanting 32 



Digging and packing 35 



Field planting 35 



Species 35 



Species for the Nebraska sand hills 35 



Species for the Kansas sand hills 37 



Kind of stock 39 



Conifers 39 



Hardwoods 40 



Methods of planting 40 



The slit method 40 



The square-hole method 41 



The cone method 41 



The trencher method 42 



Planting after plowing 43 



Field sowing 44 



Effect of climate on time of planting 44 



Enemies of plantations 45 



Fire 45 



Insects 45 



Birds and rodents 46 



Growth 47 



Conclusions 49 



5 



