Bulletin, Issues 26-46
U.S. Government Printing Office, 1919 - Agriculture
|
Contents
|
Yam culture in Porto Rico by C
|
1 |
|
The yam as a food crop in Porto Rico 3
|
4 |
|
The coffee leaf spot
|
|
9 other sections not shown
Other editions - View all
Common terms and phrases
acres adults ammonium sulphate Anastrepha animals applied Arabian beans breed cattle cent cherries citrus plantings clay coffee color Coloso cotton crop cut in January Department of Agriculture disease eggs EXPERIMENT STATION Expt feeding feet fertilizer field flies grams gran cultura cut grapefruit grass groves grown growth Hacienda harvest heavy horses host illus inches infestations irrigated island larvae leaf loam lowland manure Mayaguez milk moisture mombinpraeoptans months nitrogen nuts Padang palms parasites pastures percent period phosphoric acid plantation plat Porto potash pounds primavera cut production Puerto Rico ratoons cut received Rican Rico Agr roots rose apple rotenone San Ramón São Paulo season seed seedlings showed silt loam sodium nitrate soil species strongyles sucrose sugar in cane sugarcane suspensa symptoms tests tick tion tons treatment trees unirrigated usually vanilla vanillin vines weight worms yield