. Date culture in Southern California. Date palm. 16 situation is now being remedied. The ranchers of Imperial Valley have been making so much money out of other crops that they have not given much time to dates; so the Coachella Valley is the principal exponent of the industry at the present time; and no one who has inspected what has been done there can entertain any doubt as to the future of date "Towing in the United States. Requirements of the Palm. The prime requisite for successful date culture is intense summer heat. Dr. W. T. Swingle of the Bureau of palm, and one miner's inch pe
. Date culture in Southern California. Date palm. 16 situation is now being remedied. The ranchers of Imperial Valley have been making so much money out of other crops that they have not given much time to dates; so the Coachella Valley is the principal exponent of the industry at the present time; and no one who has inspected what has been done there can entertain any doubt as to the future of date "Towing in the United States. Requirements of the Palm. The prime requisite for successful date culture is intense summer heat. Dr. W. T. Swingle of the Bureau of palm, and one miner's inch per acre is a desirable supply for successful date growing, unless one is in a very heavy soil that will absorb and hold moisture a long time. Warm water is an advan- tage; it is by the flow from hot springs that the dates of Hasa, most famous in the world, are produced. Artesian water in most parts of the Southwest is sufficiently warm to be satisfactory. The question of soils is a little more complex. Normally the date succeeds best in a sandy loam; yet it is cultivated with good results in many places where the loam is in a very small amount. On. ^>>v* '^- Imported Persian Gulf palms at the II. S. Agricultural Experiment Station, Mecca. Plant Industry, has carefully figured out the necessary amount (in Bull. No. 53) but in practice it may be said that any of the localities mentioned at the beginning of this article: Coachella, Imperial, Palo Verde, Chuckawalla Val- leys and the lower parts of Arizona meet the requirements for heat. The great drawback in many localities is that, while the midsummer heat may be intense, the autumn coolness begins too early; but this drawback is partly avoid- ed by artificial ripening of the dates. The other essential, co-ordinate with heat, is water. There are few cultures that require as much irrigation as the the other hand, some of the best Deglet Noors in Algeria are grown in a stiff clay, comparable to that of Imperial Valley; whi
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