CONTENTS. 



PAGE. 



< liven Manuring Plants for Orchards 65 



Planting Eucalypts in Arizona 68 



Improvement of Arizona Soils 71 



Winter Irrigation of Orchards 74 



The Crown-Gall 76 



Desirable Varieties of Peaches 7!) 



The Danger of Introducing Insects on Trees S2 



What to Plant on Arbor Day .' 84 



Winter Remedies for Injurious Insects 87 



Care of Milk for the Factory 89 



Black Alkali 92 



White Alkali 95 



Selecting Dairy Cows 97 



The Adobe Hole 100 



Dehorning Cattle 104 



Date Palm Culture— A Word in Time 107 



Summer Cultivation 110 



Grazing vs. Irrigation 113 



ILLUSTRATIONS. 



Fig. 1. — Yellow sweet-clover in peach orchard, April 6, 1900, just be- 

 fore plowing under 66 



Fig. 2. — Eucalyptus rudis, 1 year old, 7 ft. 3 in. high, Station Farm. . 69 

 Fig. 3. — Eucalyptus viminalis as a wind break, Blaisdell Heights, 



Yuma, protecting orange orchard 70 



Fig. 4. — Orchard irrigated during winter and but once during sum- 

 mer ; photographed Oct. 8, 1899 74 



Fig. 5. — Five year old almond tree in a Glendale orchard, showing 

 large galls almost completely surrounding the crown afew T 



inches below the surface 77 



Fig. 6. — Peaches grown in orchard irrigated during winter, and but 

 once during summer ; harvested Aug. 24, 1899; one fifth 



natural size 80 



Fio. 7. — An unirrigated desert garden, — Bagote tree in center 85 



Fig. 8. — Cows in stanchions 90 



Fig. 9. — Alkali flat, formerly a productive field but ruined by seepage 



and "rise of alkali." 93 



Fig. 10.— An adobe hole, or stock water tank, near Phoenix, Arizona. 101 

 Fig. 11. — Map showing location of adobe holes in Salt River valley. ... 102 



Fig. 12. — Calves dehorned by the use of caustic potash 105 



Fig. 13. — Date palms near Hermosillo, Sonora, about 175 years old 107 



Fig. 14. — Date palm on University grounds, Tucson, 4 years old, with 



4 large bunches of fruit 108 



