80 BULLETINS OF THE BUREAU OF PLANT INDUSTRY. 



Bulletin. Page. 



Orchard frrass. hay 100 49-50 



in Nebraska 59 32-33 



Northwe.stern States 31 24 



(Jregon and Washington, western 94 27 



meadows, life 100 49 



mixtures with red clover, etc 100 47-48 



pasture 100 50 



seed 100 50-54 



handling tlie aftergrowth 100 52 



harvesting 100 51 



oth 'r grasses in seed fields 100 54 



thrashing 100 51-52 



value of straw 100 52-53 



weeds in seed fields : 100 53-54 



seeding 100 46-47 



uses and value 100 49-54 



Orchards, apple, results of spraying for bitter-rot 93 28-30 



Oregon, ea.stern, forage conditions, bidlrtiii 38 1-52 



southern, forage conditions, buUetiit 15 1-60 



western, forage crops, bulletin 94 1-39 



rainfall, etc 94 8-9 



Orel, Kussia, soil and climate 95 19-21 



source of hairless red clover 95 19 



Orton, William Allen, paper entitled "The wilt disease of 



the cowpea and its control" 17 9-22 



and Webber. Herbert John, paper 

 entitled "A cowpea resistant to 



root-knot ( Heterodera radicicola)" 17 23-38 



(Jued Souf, Africa, agriculture without irrigation, bulletin.... 86 1-30 



climate 86 13-15 



date gardens 86 18-26 



care of palms 86 21 



harvest 86 24-25 



manuring 86 22-24 



planting 86 19-21 



sand encroachments 86 22 



varieties 86 25-26 



yield 86 25 



description of region 86 9-11 



population 86 12 



soils 86 18 



temperatures 86 13-14 



water supply 86 16-17 



Ourlana, Algeria, alkali conditions 53 89-96 



Oxen, prickly pear for feeding _ 74 30-33 



Pacific coast, upper, region, description 31 13 



Palm, date, and its utilization in the Southwestern States, 



bulletin 23 1-155 



age of bearing 53 25-26 



alkali resi.stance ;-.- 53 72-121 



care necessary in growing 53 25-30 



cold-air drainage 53 61-62 



resistance 53 59-61 



distance between trees 53 22-23 



drainage -... 53 50-52 



historical description 53 13-17 



in Tunis, culture 92 41-55 



h-arvesting 92 52-54 



irrigating 92 47-48 



labor and tenantry system 92 42-43 



male palms and pollinating 92 50-51 



manuring -. 92 49-50 



methods of culture 92 53 



101 



