38 ORCHAED GEEEN-MANUEE CEOPS IN CALTFOENIA. 



Page. 



Fertilizers, commercial, use with green manuring 15 



Field peas, Canada. See Peas, Canada field. 



Fresno County, Cal., area in northern citrus district .' 8 



Frosts, danger to green-manure crops 8, 17 



Green-manure crops. See Crops, green manure. 



Gummosis, citrus disease, remedy by green manuring 25 



Hairy vetch. See Vetch, hairy. 



Harrow, disk, use with green-manure crop 11, 12 



Horse beans. See Beans, horse. 

 Indian melilot. See Melilot, Indian. 



Inoculation, use in green manuring 14-15, 31, 35 



Insects, injurious, harbored in green-manure crops 22 



Introduction to bulletin 7 



Irrigation, use with green-manure crops 8, 9-10, 12, 17, 23, 27, 34 



Land, preparation, green manuring in southern California 11-12 



Lathyrus sativus, comparison as green-manure crop 27 



tingitanus. See Pea, Tangier. 



Legumes, seed production at Chico, Cal., table 331 



use as green-manure crops 11, 13, 25, 27, 33 



Lemon, orchard conditions unfavorable to green manuring 10 



Lemoncove, Cal., relation to northern citrus district 8 



Malva rotundifolia, yield of green manure 27 



Manure, green, use in California 10-35 



stable, usefulness on heavy soil 10 



Medicago arabica. See Clover, bur. 



hispida denticulata. See Clover, bur. 



Melilot, Indian, use as a green-manure crop 15, 24 



Melilotus indica. See Melilot, Indian. 



Mildew, damage to green-manure crops 18 



Nitrogen gathering. See Nodules. 



Nodules, occurrence, on roots of nitrogen-gathering plants. . 16, 19, 22, 28, 29, 30, 31, 32 



Northern citrus section. See Orchards, citrus. 



Orange County, Cal., fenugreek as green-manure crop 21, 23 



green-manure crops, results in orchards 27 



Orchards, California, increasing use of green manure 25 



citrus, green-manure crops 7, 34 



southern section 8-9, 11-15, 34 



deciduous, bur clover as green manure 19, 35 



California, discussion 9-10, 34 



geographic districts, California 8-10 



walnut, southern California, green-manuring methods 11-15 



Oroville, Cal., center of citrus fruit-growing area 8 



Palermo, Cal., center of citrus fruit-growing area 8 



Pea, Canada field, use as green-manure crop 7, 15, 17-19, 34 



field, comparison as green-manure crop 26, 27, 34 



seed, prices 33 



time and rate of seeding for green manure 18-19 



Tangier, nitrogen-gathering status 32 



use as green-manure crop. 27, 32, 33, 35 



Pin-grass, synonym of alfilaria 7 



Plant food, availability, remarks 15 



lice. See Aphids, 

 190 



